@inproceedings{DiebolderReich2020, author = {Diebolder, Carmen and Reich, Kerstin}, title = {Workshop „Spannungsfelder erleben - Zusammenwirken von {\"O}kologie, Gesellschaft und {\"O}konomie"}, series = {Es ist schon da. Was tun? : 27. gws-forum, 26. - 28. Februar 2020, Oberursel bei Frankfurt}, booktitle = {Es ist schon da. Was tun? : 27. gws-forum, 26. - 28. Februar 2020, Oberursel bei Frankfurt}, organization = {gws-netzwerk f{\"u}r Systemische Organisations- und Personalentwicklung e.V.}, doi = {10.34645/opus-2808}, url = {http://nbn-resolving.de/urn:nbn:de:bsz:rt2-opus4-28080}, pages = {1 -- 6}, year = {2020}, language = {de} } @inproceedings{ReichDiebolder2020, author = {Reich, Kerstin and Diebolder, Carmen}, title = {Prototypische Strukturaufstellung}, series = {Es ist schon da. Was tun? : 27. gws-forum, 26. - 28. Februar 2020, Oberursel bei Frankfurt}, booktitle = {Es ist schon da. Was tun? : 27. gws-forum, 26. - 28. Februar 2020, Oberursel bei Frankfurt}, organization = {gws-netzwerk f{\"u}r Systemische Organisations- und Personalentwicklung e.V.}, url = {http://nbn-resolving.de/urn:nbn:de:bsz:rt2-opus4-28099}, pages = {1 -- 4}, year = {2020}, abstract = {Matthias Varga von Kib{\´e}d und Insa Sparrer unterscheiden zwischen drei verschiedenen Aufstellungsmethoden (Sparrer und Varga von Kib{\´e}d, o. D.): Der spezifisch (konkreten), der virtuellen und der prototypischen Aufstellung. Bei spezifischen Aufstellungen wird ein konkretes Anliegen eines Klienten betrachtet. Im Gegensatz dazu, werden bei virtuellen Aufstellungen eine {\"U}bungsumgebung geschaffen. In dieser k{\"o}nnen Aufstellungstechniken und Interventionsmethoden ge{\"u}bt werden. Bei prototypischen Strukturaufstellungen werden Themen zusammengefasst, die mehrere Teilnehmer im Seminar ber{\"u}hren bzw. in deren Alltag immer wieder auftreten k{\"o}nnen. Dieses Thema wird wie eine spezifische Aufstellung bearbeitet jedoch ohne ein konkretes vorliegendes Anliegen. Beispiele f{\"u}r prototypische Strukturaufstellungen kommen aus vielen Bereichen z.B. dem F{\"u}hrungsalltag, Teamentwicklung, Konfliktmanagement, Gespr{\"a}chsf{\"u}hrung, Zeit- und Selbstmanagement.}, language = {de} } @techreport{KappesUrbainczykArtzetal.2020, author = {Kappes, Ralf and Urbainczyk, Tobias and Artz, Ulrike and Textor, Torsten and Gutmann, Jochen and Mayer-Gall, Thomas}, title = {Sol-Gel basierte Flammschutzausr{\"u}stungen f{\"u}r Textilien. - (DTNW-Mitteilungen Nr. 94)}, publisher = {Deutsches Textilforschungszentrum Nord-West}, address = {Krefeld}, doi = {10.13140/RG.2.2.12914.32969/1}, url = {http://nbn-resolving.de/urn:nbn:de:bsz:rt2-opus4-28070}, pages = {102}, year = {2020}, abstract = {Sol-Gel basierte Flammschutzmittel stellen einen vielversprechenden Ansatz f{\"u}r Textilien dar, gerade im Bereich des Ersatzes von derzeit etablierten halogenhaltigen Flammschutzmitteln. Letztere sind aufgrund ihrer toxikologisch Bedenklichkeit sowie ihrer mitunter bioakkumulierenden Eigenschaften in die Kritik geraten. In diesem Forschungsvorhaben wurde daher untersucht auf welche Weise ein Flammschutz per Sol-Gel-Ansatz auf Stickstoff- und/oder Phosphorbasis als halogenfreie Alternative verwirklicht werden kann. Die Sol-Gel-Schicht fungierte dabei zum einen als nicht brennbarer Binder, zum anderen konnten {\"u}ber das Einf{\"u}hren entsprechender funktioneller Seitenketten f{\"u}r den Flammschutz aktive Gruppen direkt mit eingebunden werden. Verschiedene Ans{\"a}tze wurden dabei verfolgt. Vor allem durch die Nutzung von additivierten Systemen, d.h. durch Sol-Gel-Schichten mit Zus{\"a}tzen von stickstoff- und/oder phosphorhaltigen Verbindungen konnte ein Flammschutz nach DIN EN ISO 15025 (Schutzkleidung - Schutz gegen Hitze und Flammen) erhalten werden. Anhand eines Modellsystems, bei dem in zwei aufeinanderfolgenden Schritten zuerst eine funktionalisierte Sol-Gel-Schicht und anschließend eine Phosphorverbindung in einem zweiten Schritt aufgebracht wurde, konnten die Vorteile des Flammschutzes auf Sol-Gel-Basis nachgewiesen werden. Dabei wurde unter anderem auch gezeigt, dass ein Mechanismus auf Basis der Bildung einer Schutzschicht haupts{\"a}chlich verantwortlich f{\"u}r den Flammschutz ist. Dieses Ergebnis ist f{\"u}r eine zuk{\"u}nftige, weitere Optimierung entsprechender Ausr{\"u}stungen nicht zu untersch{\"a}tzen. Durch Ausr{\"u}stungsversuche im semi-industriellen Maßstab konnte weiterhin gezeigt werden, dass einer großtechnischen Umsetzung der angewandten Ausr{\"u}stungen prinzipiell nichts im Wege steht. Abstriche m{\"u}ssen bis dato lediglich bez{\"u}glich der Waschstabilit{\"a}t gemacht werden. Die Sol-Gel-Schichten {\"u}berstanden zwar im allgemeinen typische Waschprozesse, eine Permanenz der Flammfestigkeit von additivierten Systemen ergab sich aber nur in einzelnen F{\"a}llen. Ausgehend von den Ergebnissen wurde ein neuer Ansatz vorgestellt, der {\"u}ber den hier zugrundeliegenden Ansatz hinausgeht. Dieser sieht vor, durch den Einsatz von neu-synthetisierten Silanen mit Stickstoff- und Phosphorgruppen Sol-Gel-Schichten herzustellen, die ein vielversprechendes Verhalten zeigen. Hier konnte auch nach ersten Waschtests eine Aufrechterhaltung der verbesserten Flammfestigkeit nachgewiesen werden. Insgesamt konnte innerhalb des Forschungsvorhabens gezeigt werden, dass ein Flammschutz auf Sol-Gel-Basis f{\"u}r Textilien erhalten werden kann. Dar{\"u}berhinaus konnte auch erkl{\"a}rt werden auf welchem Mechanismus dieser Flammschutz begr{\"u}ndet ist und wie die derzeit noch ungen{\"u}gende Waschpermanenz verbessert werden kann.}, language = {de} } @article{EllerHofmannSchwarz2020, author = {Eller, Eric and Hofmann, Rupert and Schwarz, Jan Oliver}, title = {The customer foresight territory}, series = {MundoPM}, journal = {MundoPM}, address = {Sao Paolo}, issn = {1807-8095}, pages = {68 -- 77}, year = {2020}, abstract = {Customer foresight is a relatively new research field. We introduce the customer foresight territory by discussing it localization between customer research and foresight research. For this purposse, we look at a variety of methods that help to understand customers and future realities. On this basis we provide an overwiew of customer foresight methods and outline an ideal-typical research journey.}, language = {en} } @article{WahlCharifzadehDiefenbach2020, author = {Wahl, Annika and Charifzadeh, Michel and Diefenbach, Fabian}, title = {Voluntary adopters of integrated reporting - evidence on forecast accuracy and firm value}, series = {Business strategy and the environment}, volume = {29}, journal = {Business strategy and the environment}, number = {6}, publisher = {Wiley}, address = {New York}, issn = {0964-4733}, doi = {10.1002/bse.2519}, url = {http://nbn-resolving.de/urn:nbn:de:bsz:rt2-opus4-28050}, pages = {2542 -- 2556}, year = {2020}, abstract = {This study investigates how integrated reporting (IR) creates value for investors. It examines how providers of financial capital benefit from an improved firm information environment provided by IR. Specifically, this study investigates the effect of voluntary IR disclosure on analyst earnings forecast accuracy as well as on firm value. To do so, we use an international sample of 167 listed companies that voluntarily publish an integrated report. Our analysis shows no significant effect of a voluntary IR publication on analyst earnings forecast accuracy and no significant effect on firm value. We thus do not find evidence for the fulfillment of IR's promises regarding improved information environment and value creation of voluntary adopters. We conclude that such companies might already have a relatively high level of transparency leading to an absent additional effect of IR disclosure. Positive effects of IR appear to be more relevant in environments where IR is mandatory.}, language = {en} } @article{Schwarz2020, author = {Schwarz, Jan Oliver}, title = {Revisiting scenario planning and business wargaming from an Open Strategy perspective}, series = {World future review : a journal of strategic foresight}, volume = {12}, journal = {World future review : a journal of strategic foresight}, number = {3}, publisher = {Sage Publ.}, address = {Thousand Oaks, Calif.}, issn = {1946-7567}, doi = {10.1177/1946756720953182}, url = {http://nbn-resolving.de/urn:nbn:de:bsz:rt2-opus4-28047}, pages = {291 -- 303}, year = {2020}, abstract = {The key aim of Open Strategy is to open up the process of strategy development to larger groups within and even outside an organization. Furthermore, Open Strategy aims to include broad groups of stakeholders in the various steps of the strategy process. The question at hand is how can Open Strategy be achieved? What approaches can be used? Scenario planning and business wargaming are approaches perceived as relevant tools in the field of strategy and strategic foresight and in the context of Open Strategy because of their participative nature. The aim of this article is to assess to what degree scenario planning and business wargaming can be used in the context of Open Strategy. While these approaches are suitable, their current application limits the number of potential participants. Further research and experimentation in practice with larger groups and/or online approaches, or a combination of both, are needed to explore the potential of scenario planning and business wargaming as tools for Open Strategy.}, language = {en} } @article{DietrichPalmLouw2020, author = {Dietrich, Fabian and Palm, Daniel and Louw, Louis}, title = {Smart contract based framework to increase transparency of manufacturing networks}, series = {Procedia CIRP}, volume = {91}, journal = {Procedia CIRP}, publisher = {Elsevier}, address = {Amsterdam}, issn = {2212-8271}, doi = {10.1016/j.procir.2020.02.177}, url = {http://nbn-resolving.de/urn:nbn:de:bsz:rt2-opus4-28039}, pages = {278 -- 283}, year = {2020}, abstract = {Globalisation, shorter product life cycles, and increasing product varieties have led to complex supply chains. At the same time, there is a growing interest of customers and governments in having a greater transparency of brands, manufacturers, and producers throughout the supply chain. Due to the complex structure of collaborative manufacturing networks, the increase of supply chain transparency is a challenge for manufacturing companies. The blockchain technology offers an innovative solution to increase the transparency, security, authenticity, and auditability of products. However, there are still uncertainties when applying the blockchain technology to manufacturing scenarios and thus enable all stakeholders to trace back each component of an assembled product. This paper proposes a framework design to increase the transparency and auditability of products in collaborative manufacturing networks by adopting the blockchain technology. In this context, each component of a product is marked with a unique identification number generated by blockchain-based smart contracts. In this way, a transparent auditability of assembled products and their components can be achieved for all stakeholders, including the custome.}, language = {en} } @inproceedings{DietrichTurgutPalmetal.2020, author = {Dietrich, Fabian and Turgut, Ali and Palm, Daniel and Louw, Louis}, title = {Smart contract-based blockchain solution to reduce supply chain risks}, series = {Advances in production management systems, towards smart and digital manufacturing : IFIP WG 5.7 International Conference, APMS 2020, Novi Sad, Serbia, August 30 - September 3, 2020, proceedings. - Part II. - (IFIP advances in information and communication technology ; 1592)}, booktitle = {Advances in production management systems, towards smart and digital manufacturing : IFIP WG 5.7 International Conference, APMS 2020, Novi Sad, Serbia, August 30 - September 3, 2020, proceedings. - Part II. - (IFIP advances in information and communication technology ; 1592)}, editor = {Lalic, Bojan}, publisher = {Springer}, address = {Cham}, doi = {10.1007/978-3-030-57997-5_20}, pages = {165 -- 173}, year = {2020}, abstract = {Companies are becoming aware of the potential risks arising from sustainability aspects in supply chains. These risks can affect ecological, economic or social aspects. One important element in managing those risks is improved transparency in supply chains by means of digital transformation. Innovative technologies like blockchain technology can be used to enforce transparency. In this paper, we present a smart contract-based Supply Chain Control Solution to reduce risks. Technological capabilities of the solution will be compared to a similar technology approach and evaluated regarding their benefits and challenges within the framework of supply chain models. As a result, the proposed solution is suitable for the dynamic administration of complex supply chains.}, language = {en} } @inproceedings{SteinmetzerPiatraschkBoenningeretal.2019, author = {Steinmetzer, Tobias and Piatraschk, Simon and B{\"o}nninger, Ingrid and Travieso, Carlos and Priwitzer, Barbara}, title = {Gesture recognition with 3D sensors using Hidden Markov Models and clustering}, series = {IWOBI 2019 : IEEE International Work Conference on Bioinspired Intelligence : proceeding, July 3-5, 2019, Budapest, Hungary}, booktitle = {IWOBI 2019 : IEEE International Work Conference on Bioinspired Intelligence : proceeding, July 3-5, 2019, Budapest, Hungary}, publisher = {IEEE}, address = {Piscataway, NJ}, doi = {10.1109/IWOBI47054.2019.9114513}, pages = {127 -- 132}, year = {2019}, abstract = {We propose a method for recognizing dynamic gestures using a 3D sensor. New aspects of the developed system include problem-adapted data conversion and compression as well as automatic detection of different variants of the same gesture via clustering with a suitable metric inspired by Jaccard metric. The combination of Hidden Markov Models and clustering leads to robust detection of different executions based on a small set of training data. We achieved an increase of 5\% recognition rate compared to regular Hidden Markov Models. The system has been used for human-machine interaction and might serve as an assistive system in physiotherapy and neurological or orthopedic diagnosis.}, language = {en} } @inproceedings{EickerSchumacherWeileretal.2019, author = {Eicker, Ursula and Schumacher, J{\"u}rgen and Weiler, Verena and Braun, Reiner}, title = {On the design of an urban modelling platform and its application for a New York analysis}, series = {16th International Conference of the International Building Performance Simulation Association (Building Simulation 2019) : Rome, Italy, 2-4 September 2019. - Volume 5}, booktitle = {16th International Conference of the International Building Performance Simulation Association (Building Simulation 2019) : Rome, Italy, 2-4 September 2019. - Volume 5}, editor = {Corrado, Vincenzo}, publisher = {Curran Associates Inc.}, address = {Red Hook, NY}, isbn = {978-1-71380-941-8}, pages = {3508 -- 3515}, year = {2019}, abstract = {Urban platforms are essential for smart and sustainable city planning and operation. Today they are mostly designed to handle and connect large urban data sets from very different domains. Modelling and optimisation functionalities are usually not part of the cities software infrastructure. However, they are considered crucial for transformation scenario development and optimised smart city operation. The work discusses software architecture concepts for such urban platforms and presents case study results on the building sector modelling, including urban data analysis and visualisation. Results from a case study in New York are presented to demonstrate the implementation status.}, language = {en} } @inproceedings{KrausViertelBurgert2020, author = {Kraus, Nicolai and Viertel, Marc and Burgert, Oliver}, title = {Control of KNX devices over IEEE 11073 service-oriented device connectivity}, series = {3rd IEEE Int. Conference on ICPS 2020}, booktitle = {3rd IEEE Int. Conference on ICPS 2020}, editor = {Martinez Lastra, Jose Luis}, publisher = {IEEE}, address = {Piscataway, NJ}, pages = {4}, year = {2020}, abstract = {In networked operating room environments, there is an emerging trend towards standardized non-proprietary communication protocols which allow to build new integration solutions and flexible human-machine interaction concepts. The most prominent endeavor is the IEEE 11073 SDC protocol. For some uses cases, it would be helpful if not just medical devices could be controlled based on SDC, but also building automation systems like light, shutters, air condition, etc. For those systems, the KNX protocol is widely used. We build an SDC-to-KNX gateway which allows to use the SDC protocol for sending commands to connected KNX devices. The first prototype system was successfully implemented at the demonstration operating room at Reutlingen University. This is a first step toward the integration of a broader variety of KNX devices.}, language = {en} } @inproceedings{KillerBurgert2020, author = {Killer, Irina and Burgert, Oliver}, title = {A prototype for process-based intraoperative documentation}, series = {AMIA 2020 Virtual Clinical Informatics Conference, May 19 - May 21}, booktitle = {AMIA 2020 Virtual Clinical Informatics Conference, May 19 - May 21}, pages = {1}, year = {2020}, abstract = {Documentation of clinical processes, especially in the perioperative are, is a base requirement for quality of service. Nonetheless, the documentation is a burden for the medical staff since it distracts from the clinical core process. An intuitive and user-friendly documentation system could increase documentation quality and reduce documentation workload. The optimal system solution would know what happened and the person documenting the step would need a single "confirm" button. In many cases, such a linear flow of activities is given as long as only one profession (e.g. anaestesiology, scrub nurse) is considered, but even in such cases, there might be derivations from the linear process flow and further interaction is required.}, language = {en} } @article{ZeineldinKararCoburgeretal.2020, author = {Zeineldin, Ramy and Karar, Mohamed Esmail and Coburger, Jan and Wirtz, Christian and Mathis-Ullrich, Franziska and Burgert, Oliver}, title = {Towards automated correction of brain shift using deep deformable magnetic resonance imaging-intraoperative ultrasound (MRI-iUS) registration}, series = {Current directions in biomedical engineering}, volume = {6}, journal = {Current directions in biomedical engineering}, number = {1}, publisher = {De Gruyter}, address = {Berlin}, issn = {2364-5504}, doi = {10.1515/cdbme-2020-0039}, url = {http://nbn-resolving.de/urn:nbn:de:bsz:rt2-opus4-27906}, pages = {1 -- 5}, year = {2020}, abstract = {Intraoperative brain deformation, so called brain shift, affects the applicability of preoperative magnetic resonance imaging (MRI) data to assist the procedures of intraoperative ultrasound (iUS) guidance during neurosurgery. This paper proposes a deep learning-based approach for fast and accurate deformable registration of preoperative MRI to iUS images to correct brain shift. Based on the architecture of 3D convolutional neural networks, the proposed deep MRI-iUS registration method has been successfully tested and evaluated on the retrospective evaluation of cerebral tumors (RESECT) dataset. This study showed that our proposed method outperforms other registration methods in previous studies with an average mean squared error (MSE) of 85. Moreover, this method can register three 3D MRI-US pair in less than a second, improving the expected outcomes of brain surgery.}, language = {en} } @article{RyniakBurgert2020, author = {Ryniak, Claudia and Burgert, Oliver}, title = {Automatic generation of checklists from business process model and notation (BPMN) models for surgical assist systems}, series = {Current directions in biomedical engineering}, volume = {6}, journal = {Current directions in biomedical engineering}, number = {1}, publisher = {De Gruyter}, address = {Berlin}, issn = {2364-5504}, doi = {10.1515/cdbme-2020-0005}, url = {http://nbn-resolving.de/urn:nbn:de:bsz:rt2-opus4-27897}, pages = {1 -- 5}, year = {2020}, abstract = {Checklists are a valuable tool to ensure process quality and quality of care. To ensure proper integration in clinical processes, it would be desirable to generate checklists directly from formal process descriptions. Those checklists could also be used for user interaction in context-aware surgical assist systems. We built a tool to automatically convert Business Process Model and Notation (BPMN) process models to checklists displayed as HTML websites. Gateways representing decisions are mapped to checklist items that trigger dynamic content loading based on the placed checkmark. The usability of the resulting system was positively evaluated regarding comprehensibility and end-user friendliness.}, language = {en} } @inproceedings{CroweLaux2020, author = {Crowe, Malcolm and Laux, Friedrich}, title = {Reconsidering optimistic algorithms for relational DBMS}, publisher = {IARIA}, isbn = {978-1-61208-790-0}, url = {http://nbn-resolving.de/urn:nbn:de:bsz:rt2-opus4-27875}, pages = {27 -- 30}, year = {2020}, abstract = {At DBKDA 2019, we demonstrated that StrongDBMS with simple but rigorous optimistic algorithms, provides better performance in situations of high concurrency than major commercial database management systems (DBMS). The demonstration was convincing but the reasons for its success were not fully analysed. There is a brief account of the results below. In this short contribution, we wish to discuss the reasons for the results. The analysis leads to a strong criticism of all DBMS algorithms based on locking, and based on these results, it is not fanciful to suggest that it is time to re-engineer existing DBMS.}, language = {en} } @incollection{Jugel2021, author = {Jugel, Dierk}, title = {An integrative method for decision-making in EA management}, series = {Architecting the digital transformation : digital business, technology, decision support, management. - (Intelligent systems reference library ; volume 188)}, booktitle = {Architecting the digital transformation : digital business, technology, decision support, management. - (Intelligent systems reference library ; volume 188)}, editor = {Zimmermann, Alfred}, publisher = {Springer}, address = {Cham}, isbn = {978-3-030-49639-5}, doi = {10.1007/978-3-030-49640-1_15}, pages = {289 -- 307}, year = {2021}, abstract = {Due to digitalization, constant technological progress and ever shorter product life cycles, enterprises are currently facing major challenges. In order to succeed in the market, business models have to be adapted more often and more quickly to changing market conditions than they used to be. Fast adaptability, also called agility, is a decisive competitive factor in today's world. Because of the ever-growing IT part of products and the fact that they are manufactured using IT, changing the business model has a major impact on the enterprise architecture (EA). However, developing EAs is a very complex task, because many stakeholders with conflicting interests are involved in the decision-making process. Therefore, a lot of collaboration is required. To support organizations in developing their EA, this article introduces a novel integrative method that systematically integrates stakeholder interests into decision-making activities. By using the method, collaboration between stakeholders involved is improved by identifying points of contact between them. Furthermore, standardized activities make decision-making more transparent and comparable without limiting creativity.}, language = {en} } @article{MockerNovales2020, author = {Mocker, Martin and Novales, Ainara}, title = {Connected cleaning at K{\"a}rcher}, series = {Working papers / Center for Information Systems Research}, journal = {Working papers / Center for Information Systems Research}, number = {441}, publisher = {Massachusetts Institute of Technology : Center for Information Systems Research}, address = {Cambridge, MA}, pages = {1 -- 20}, year = {2020}, abstract = {By 2019, German-based K{\"a}rcher, "the world's leading provider of cleaning technology", hat turned its professional cleaning devices into digital offerings. The data generated by these connected cleaning devices formed a key ingredient in the company's ongoing strategic shift in its B2B business: K{\"a}rcher was transforming from a seller of cleaning devices to a provider of consulting services in order to help professional cleaning companies improve their cleaning processes. The case illustrates how the company learned to generate value from digital offerings. And it demonstrates how a family-owned company transformed its organization in order to be able to more effectively develop and provide digital offerings, while adding roles and developing technology platforms, as well as changing structures and ways of working.}, language = {en} } @incollection{ZimmermannSchmidtSandkuhletal.2021, author = {Zimmermann, Alfred and Schmidt, Rainer and Sandkuhl, Kurt and Jugel, Dierk and Schweda, Christian and Bogner, Justus}, title = {Architecting digital products and services}, series = {Architecting the digital transformation : digital business, technology, decision support, management. - (Intelligent systems reference library ; volume 188)}, booktitle = {Architecting the digital transformation : digital business, technology, decision support, management. - (Intelligent systems reference library ; volume 188)}, editor = {Zimmermann, Alfred}, publisher = {Springer}, address = {Cham}, isbn = {978-3-030-49639-5}, doi = {10.1007/978-3-030-49640-1_10}, pages = {181 -- 197}, year = {2021}, abstract = {Enterprises are currently transforming their strategy, processes, and their information systems to extend their degree of digitalization. The potential of the Internet and related digital technologies, like Internet of Things, services computing, cloud computing, artificial intelligence, big data with analytics, mobile systems, collaboration networks, and cyber physical systems both drives and enables new business designs. Digitalization deeply disrupts existing businesses, technologies and economies and fosters the architecture of digital environments with many rather small and distributed structures. This has a strong impact for new value producing opportunities and architecting digital services and products guiding their design through exploiting a Service-Dominant Logic. The main result of the book chapter extends methods for integral digital strategies with value-oriented models for digital products and services which are defined in the framework of a multi-perspective digital enterprise architecture reference model.}, language = {en} } @incollection{ZimmermannSchmidtJain2021, author = {Zimmermann, Alfred and Schmidt, Rainer and Jain, Lakhmi}, title = {Architecting the Digital Transformation: An Introduction}, series = {Architecting the digital transformation : digital business, technology, decision support, management. - (Intelligent systems reference library ; volume 188)}, booktitle = {Architecting the digital transformation : digital business, technology, decision support, management. - (Intelligent systems reference library ; volume 188)}, editor = {Zimmermann, Alfred}, publisher = {Springer}, isbn = {3-030-49639-2}, pages = {3 -- 8}, year = {2021}, abstract = {This chapter presents an introduction to the emerging trends for architecting the digital transformation having a strong focus on digital products, intelligent services, and related systems together with methods, models and architectures. The primary aim of this book is to highlight some of the most recent research results in the field. We are providing a focused set of brief descriptions of the chapters included in the book.}, language = {en} } @incollection{BuerkelZimmermann2021, author = {B{\"u}rkel, Jonas and Zimmermann, Alfred}, title = {Service-dominant design: a digital ideation method}, series = {Architecting the digital transformation : digital business, technology, decision support, management. - (Intelligent systems reference library ; volume 188)}, booktitle = {Architecting the digital transformation : digital business, technology, decision support, management. - (Intelligent systems reference library ; volume 188)}, editor = {Zimmermann, Alfred}, publisher = {Springer}, address = {Cham}, isbn = {3-030-49639-2}, doi = {10.1007/978-3-030-49640-1_8}, pages = {143 -- 162}, year = {2021}, abstract = {The digital transformation is today's dominant business transformation having a strong influence on how digital services and products are designed in a service-dominant way. A popular underlying theory of value creation and economic exchange that is known as the service-dominant (S-D) logic can be connected to many successful digital business models. However, S-D logic by itself is abstract. Companies cannot directly use it as an instrument for business model innovation and design in an easy way. To address this a comprehensive ideation method based on S-D logic is proposed, called service-dominant design (SDD). SDD is aimed at supporting firms in the transition to a service- and value-oriented perspective. The method provides a simplified way to structure the ideation process based on four model components. Each component consists of practical implications, auxiliary questions and visualization techniques that were derived from a literature review, a use case evaluation of digital mobility and a focus group discussion. SDD represents a first step of having a toolset that can support established companies in the process of service- and value-orientation as part of their digital transformation efforts.}, language = {en} } @misc{OPUS4-2795, title = {Architecting the digital transformation : digital business, technology, decision support, management. - (Intelligent systems reference library ; volume 188)}, editor = {Zimmermann, Alfred and Schmidt, Rainer and Jain, Lakhmi}, publisher = {Springer}, address = {Cham, Switzerland}, isbn = {3-030-49639-2}, pages = {395}, year = {2021}, abstract = {This research-oriented book presents key contributions on architecting the digital transformation. It includes the following main sections covering 20 chapters: · Digital Transformation · Digital Business · Digital Architecture · Decision Support · Digital Applications Focusing on digital architectures for smart digital products and services, it is a valuable resource for researchers, doctoral students, postgraduates, graduates, undergraduates, academics and practitioners interested in digital transformation.}, language = {en} } @article{GerhardtSchaeferBlumetal.2020, author = {Gerhardt, Almut and Sch{\"a}fer, Maria and Blum, Thomas and Honnen, Wolfgang}, title = {Toxicity of microplastic particles with and without adsorbed tributyltin (TBT) in Gammarus fossarum (Koch, 1835)}, series = {Fundamental and applied limnology}, volume = {194}, journal = {Fundamental and applied limnology}, number = {1}, publisher = {Schweizerbart Science Publishers}, address = {Stuttgart}, issn = {1863-9135}, doi = {10.1127/fal/2019/1114}, pages = {57 -- 65}, year = {2020}, abstract = {We investigate the toxicity of different types and sizes of microplastic particles (0.3-4 mm) under different conditions (new particles, aged particles with biofilm, and particles with adsorbed Tributyltin) on the freshwater amphipod Gammarus fossarum in 3-week exposures. All types of plastic particles, which were randomly taken up to a small extent, were mostly Polyphenylenoxide, Polybutylentherephthalate and Polypropylene, with particles < 1 mm in size. Plastic particles did not affect the feeding and locomotory behaviour of gammarids, and there was no strong difference between pristine plastic particles and aged particles with biofilm. Mortality tended to be higher compared with the control. Tributyltinhydride (TBTH) adsorbed to microplastic particles had no effect on uptake, survival, feeding and locomotory behaviour during the 3 weeks of exposure. Dissolved TBTH, however, was already very toxic after few days of exposure (LC50-96h < 1 ng l-1).}, language = {en} } @inproceedings{Laux2020, author = {Laux, Friedrich}, title = {The typed graph model}, publisher = {IARIA}, isbn = {978-1-61208-790-0}, url = {http://nbn-resolving.de/urn:nbn:de:bsz:rt2-opus4-27861}, pages = {13 -- 19}, year = {2020}, abstract = {In recent years, the Graph Model has become increasingly popular, especially in the application domain of social networks. The model has been semantically augmented with properties and labels attached to the graph elements. It is difficult to ensure data quality for the properties and the data structure because the model does not need a schema. In this paper, we propose a schema bound Typed Graph Model with properties and labels. These enhancements improve not only data quality but also the quality of graph analysis. The power of this model is provided by using hyper-nodes and hyper edges, which allows to present a data structure on different abstraction levels. We demonstrate by example the superiority of this model over the property graph data model of Hidders and other prevalent data models, namely the relational, object-oriented, and XML model.}, language = {en} } @article{BarthKutscheraJenischetal.2020, author = {Barth, Teresa and Kutschera, Frederike and Jenisch, Robin and L{\"o}dige, Maximilian and Pr{\"u}nte, Melissa and Wagner, Linda and Palm, Daniel and Braun, Anja and Ohlhausen, Peter}, title = {Technologieauswahlmodell zur Produktivit{\"a}tsermittlung und -bewertung innerhalb des Produktionsumfeldes von Niedriglohnl{\"a}ndern}, series = {Zeitschrift f{\"u}r wirtschaftlichen Fabrikbetrieb : ZWF}, volume = {115}, journal = {Zeitschrift f{\"u}r wirtschaftlichen Fabrikbetrieb : ZWF}, number = {3}, publisher = {Hanser}, address = {M{\"u}nchen}, issn = {0947-0085}, doi = {10.3139/104.112202}, pages = {127 -- 130}, year = {2020}, abstract = {Der Anteil mittelst{\"a}ndischer Unternehmen, die Standorte im Ausland unterhalten, nimmt seit einigen Jahren zu. Oft finden Auslandsaktivit{\"a}ten dieser Art in Niedriglohnl{\"a}ndern statt. Dort ergeben sich u.a durch die infrastrukturellen Gegebenheiten und durch die verf{\"u}gbaren Personalressourcen diverse Herausforderungen, insbesondere f{\"u}r die Produktivit{\"a}tsermittlung und -bewertung innerhalb der Produktion. Dieser Beitrag soll f{\"u}r diese Herausforderungen geeignete Technologien und eine m{\"o}gliche Vorgehensweise f{\"u}r deren Auswahl vor dem Hintergrund der l{\"a}ndertypischen Herausforderungen aufzeigen.}, language = {de} } @article{LutzMuenchTurgutetal.2020, author = {Lutz, Marvin and M{\"u}nch, Maximilian and Turgut, Ali and Lucke, Dominik and Palm, Daniel and Braun, Anja and Ohlhausen, Peter}, title = {Der Digitale Zwilling entlang des Produktlebenszyklus : aktuelle Anwendungen und zuk{\"u}nftige Potenziale in produzierenden Unternehmen}, series = {Zeitschrift f{\"u}r wirtschaftlichen Fabrikbetrieb : ZWF}, volume = {115}, journal = {Zeitschrift f{\"u}r wirtschaftlichen Fabrikbetrieb : ZWF}, number = {6}, publisher = {Hanser}, address = {M{\"u}nchen}, issn = {0947-0085}, doi = {10.3139/104.112314}, pages = {422 -- 424}, year = {2020}, abstract = {Der Digitale Zwilling ist ein Technologie-Trendthema mit großen Potenzialen in einer Vielzahl von Anwendungsbereichen - insbesondere f{\"u}r produzierende Unternehmen. Eine Studie des Reutlinger Zentrums Industrie 4.0 besch{\"a}ftigt sich mit heutigen und zuk{\"u}nftigen Anwendungsm{\"o}glichkeiten von Digitalen Zwillingen und gibt Impulse f{\"u}r eine schrittweise Implementierung im Unternehmen.}, language = {de} } @article{ShaoLassleben2020, author = {Shao, Peng and Laßleben, Hermann}, title = {Participation in fast fashion brands' clothes recycling plans in an omnichannel retail environment}, series = {Academy of Management annual meeting proceedings}, journal = {Academy of Management annual meeting proceedings}, number = {1}, publisher = {Academy of Management}, address = {Briarcliff Manor NY}, issn = {2151-6561}, doi = {10.5465/AMBPP.2020.17533abstract}, year = {2020}, abstract = {The rise of the fast fashion industry allows more and more people to participate in fashion consumption, but goes along with negative consequences on the environment. To reduce wastage, fast fashion retailers have begun to offer used clothes recycling plans to which customers can submit clothes they no longer wear. Since these recycling plans have mainly been operated in offline stores so far, the rise of omnichannel retailing poses new challenges on retailers with regard to organizing the plan and motivating consumers to participate. On a sample of N=370 Chinese fast fashion consumers, this paper investigates, which factors determine consumers' willingness to participate in fast fashion brands' used clothes recycling plans in an omnichannel retailing environment. It finds that consumers' clothes recycling intention is determined by individual predispositions (environmental attitude, impulsive consumption), as well as by organizational arrangements (channel integration quality), as well as by the outcomes of their interaction (consumer satisfaction, brand identification). Conclusions are drawn, implications for omnichannel fast fashion retailing practice, as well as for further research, derived, and limitations discussed.}, language = {en} } @incollection{LampprechtSalbMauseretal.2020, author = {Lampprecht, Tobias and Salb, David and Mauser, Marek and Wetering, Huub van de and Burch, Michael and Kloos, Uwe}, title = {Visual classification of Formula One races by events, drivers, and time periods}, series = {Advancement in computer vision applications in intelligent systems and multimedia}, booktitle = {Advancement in computer vision applications in intelligent systems and multimedia}, editor = {Sarfraz, Muhammad}, publisher = {IGI Global}, address = {Hershey, PA}, isbn = {978-1-79984-445-7}, doi = {10.4018/978-1-7998-4444-0.ch006}, pages = {101 -- 114}, year = {2020}, abstract = {Formula One races provide a wealth of data worth investigating. Although the time-varying data has a clear structure, it is pretty challenging to analyze it for further properties. Here the focus is on a visual classification for events, drivers, as well as time periods. As a first step, the Formula One data is visually encoded based on a line plot visual metaphor reflecting the dynamic lap times, and finally, a classification of the races based on the visual outcomes gained from these line plots is presented. The visualization tool is web-based and provides several interactively linked views on the data; however, it starts with a calendar-based overview representation. To illustrate the usefulness of the approach, the provided Formula One data from several years is visually explored while the races took place in different locations. The chapter discusses algorithmic, visual, and perceptual limitations that might occur during the visual classification of time-series data such as Formula One races.}, language = {en} } @book{TaschnerCharifzadeh2020, author = {Taschner, Andreas and Charifzadeh, Michel}, title = {Management accounting in supply chains}, publisher = {Springer Fachmedien}, address = {Wiesbaden}, isbn = {978-3-658-28597-5}, doi = {10.1007/978-3-658-28597-5}, pages = {254}, year = {2020}, abstract = {Companies compete more and more as integrated supply chains rather than as individual firms. The success of the entire supply chain determines the economic well-being of the individual company. With management attention shifting to supply chains, the role of management accounting naturally must extend to the cross-company layer as well. This book demonstrates how management accounting can make a significant contribution to supply chain success.It targets students who are already familiar with the fundamentals of accounting and now want to extend their expertise in the field of cross company (or network) management accounting. Practitioners will draw valuable insights from the text as well.}, language = {en} } @article{KirraneKramerLassleben2020, author = {Kirrane, Melrona and Kramer, Matthias and Laßleben, Hermann}, title = {Beyond the surface: exploring the relationship between value diversity and team creativity}, series = {Creativity research journal}, volume = {32}, journal = {Creativity research journal}, number = {2}, publisher = {Routledge, Taylor and Francis Group}, address = {London}, issn = {1040-0419}, doi = {10.1080/10400419.2019.1697920}, pages = {113 -- 126}, year = {2020}, abstract = {Whether diversity enhances or impedes team creativity remains an issue of scholarly debate. Explanations of this ambiguity often lie in how diversity is both operationalized and measured. Eschewing the popular approach of using differences in objective criteria to signal diversity, a deep-level approach that focuses on differences in personal values is taken in this study. Value diversity is measured in the two forms of variety and separation and their associations with team creativity are explored. The investigation is augmented by considering the mediating role of team communication in these associations. The analysis was conducted on a sample of 98 teams, using both subjective and objective measures. The findings reveal that when considering value diversity in terms of variety, there is a positive association between diversity and team creativity. However, when the separation dimension of value diversity is considered, a negative association between diversity and team creativity is identified. Complex pathways pertaining to the role of communication within these relationships are also uncovered. In moving beyond rudimentary categories and measurement of diversity, this study further elucidates the complexity of the diversity-creativity relationship. Conclusions are drawn and implications for further research and managerial practice are derived.}, language = {en} } @article{HorstHoeferKleineMoellhoffetal.2020, author = {Horst, Stephan and H{\"o}fer, Jannik and Kleine-M{\"o}llhoff, Peter and Wennagel, Fabienne and Wiech, Nils and Pfost, Michael and Atmaca, Bercan and Gries, Julia and Epple, Rolf}, title = {Kostenkalkulation im Anlagenbau: Modell zur Bewertung der Konkurrenzf{\"a}higkeit im Entwicklungsstadium}, series = {Chemie - Ingenieur - Technik : CIT}, volume = {92}, journal = {Chemie - Ingenieur - Technik : CIT}, number = {8}, publisher = {Wiley-VCH Verl.}, address = {Weinheim}, issn = {0009-286X}, doi = {10.1002/cite.202000023}, url = {http://nbn-resolving.de/urn:nbn:de:bsz:rt2-opus4-27720}, pages = {1033 -- 1043}, year = {2020}, abstract = {W{\"a}hrend Grundchemikalien gr{\"o}ßtenteils im industriellen Maßstab mittels verfahrenstechnisch optimierter Großanlagen hergestellt werden, entwickeln Forschungsinstitute biobasierte Prozesse zur Herstellung von Plattformchemikalien im Labor- und Pilotmaßstab. Im Rahmen dieser Arbeit wird ein Kostenkalkulationsmodell zur Absch{\"a}tzung der Investitions- und Betriebskosten verfahrenstechnischer Anlagen vorgestellt, auf dessen Basis die {\"o}konomische Konkurrenzf{\"a}higkeit in der Entwicklung befindlicher Verfahren ermittelt werden kann. Das Modell ist fur Anwendungen im industriellen Maßstab geeignet.}, language = {de} } @article{SchmaehHeinzelmannJacksonetal.2020, author = {Schm{\"a}h, Marco and Heinzelmann, Matthieu and Jackson, Bianca and Weidemann, Christina}, title = {Investition in die mentale Fitness der Mitarbeiter}, series = {Sales excellence : Zeitschrift f{\"u}r Handelsvermittlung und Vertriebsmanagement}, volume = {29}, journal = {Sales excellence : Zeitschrift f{\"u}r Handelsvermittlung und Vertriebsmanagement}, number = {5}, publisher = {Springer Gabler}, address = {Wiesbaden}, issn = {2522-5960}, pages = {42 -- 45}, year = {2020}, abstract = {Die Relevanz der inneren Einstellung gewinnt angesichts des Fachkr{\"a}ftemangels sowie im Hinblick auf die psychische Gesundheit der Mitarbeiter an Bedeutung. Doch inwiefernn wirkt sich eine positive Einstellung des Verk{\"a}ufers auf den vertrieblichen Erfolg aus?}, language = {de} } @techreport{SchepersKalnyLoebbe2020, author = {Schepers, Marcel and Kalny, Gerald and L{\"o}bbe, Sabine}, title = {Entwicklung und Management von Energiedienstleistungen - eine empirische Studie zur Unternehmensentwicklung in Energieversorgungsunternehmen}, publisher = {Hochschule Reutlingen}, address = {Reutlingen}, doi = {10.34645/opus-2784}, url = {http://nbn-resolving.de/urn:nbn:de:bsz:rt2-opus4-27849}, pages = {57}, year = {2020}, abstract = {Energieversorgungsunternehmen sehen sich gegenw{\"a}rtig und mit dem Voranschreiten der Energiewende mit einer Vielzahl von Herausforderungen konfrontiert. Die zunehmende Dezentralisierung und Digitalisierung der Energiewirtschaft zwingen die EVU zusammen mit dem steigenden Wettbewerbs- und Kostendruck dazu, von den gewohnten Pfaden des Commodity-Gesch{\"a}fts abzuweichen und neue Produkte und Dienstleistungen zu entwickeln sowie neue Gesch{\"a}ftsfelder zu erschließen. Die Kunden r{\"u}cken mit ihren zunehmend individualisierten und komplexen Bed{\"u}rfnissen in den Mittelpunkt des Interesses. Wollen EVU langfristig am Markt erfolgreich sein, m{\"u}ssen sie sich vom klassischen Energieversorger als Anbieter von einfachen Produkten hin zu innovativen, kundenzentrierten Energiedienstleistern weiterentwickeln. Ein Schl{\"u}ssel hierf{\"u}r stellt die Entwicklung von Energiedienstleistungen dar. Gleichzeitig tun sich viele EVU mit dieser Entwicklung jedoch aufgrund interner Hemmnisse wie fehlender personeller Kapazit{\"a}ten, einer angesichts des dynamischen Marktumfeldes unflexiblen Organisation mit langen Entwicklungsdauern, geringen Budgets sowie mangelndem fachlichen und/ oder methodischen Know-How schwer. Dies zeigen die Ergebnisse der vorliegenden Studie unter Gesch{\"a}ftsf{\"u}hrern und Vorst{\"a}nden in der Energiewirtschaft.}, language = {de} } @article{SchmaehTonelliHattum2020, author = {Schm{\"a}h, Marco and Tonelli, Anna and Hattum, Lawrence van}, title = {Areas of perception at airports : airport marketing ; an analysis of perception at airports with focus on behavioral assumptions}, series = {Marke 41 : das neue Journal f{\"u}r Marketing}, journal = {Marke 41 : das neue Journal f{\"u}r Marketing}, number = {3}, publisher = {MIM, Marken-Institut M{\"u}nchen}, address = {M{\"u}nchen}, issn = {1866-5438}, url = {http://nbn-resolving.de/urn:nbn:de:bsz:rt2-opus4-27719}, pages = {64 -- 70}, year = {2020}, abstract = {Airports largely outgrew their sole purpose of simply being travel hubs and by connecting millions of passengers to their destinations each year on an international scale, they have become increasingly interesting for business and related marketing opportunities. In fact, passengers are easily segmented and can be reached effectively throughout specific airport areas, making some areas more suitable for advertising than others. Emotional states, roaming time and the freedom to move vastly, influence how much information passengers are able to absorb from their direct surroundings. Finally our research shows that some areas are more suitable than others. Therefore a careful selection of airport locations for communication will be key to secure the impact and improve the effectiveness of communication measures. With these insights, advertisers can deliberately choose the areas that are most effective for displaying their ads.}, language = {en} } @article{NuferMariot2019, author = {Nufer, Gerd and Mariot, David}, title = {Der Halo-Effekt im Fußball}, series = {Sciamus - Sport und Management : Fachzeitschrift f{\"u}r Sportmanagement}, journal = {Sciamus - Sport und Management : Fachzeitschrift f{\"u}r Sportmanagement}, number = {4 = Sonderausgabe}, publisher = {Sciamus GmbH}, address = {Hof}, url = {http://nbn-resolving.de/urn:nbn:de:bsz:rt2-opus4-27707}, pages = {144 -- 161}, year = {2019}, abstract = {Der Halo-Effekt ist eine aus der Sozialpsychologie bekannte kognitive Verzerrung. Ein Halo-Effekt tritt dann auf, wenn ein globaler Eindruck oder eine Information {\"u}ber ein hervorstechendes Merkmal die Beurteilung anderer Eigenschaften pr{\"a}gt. Im vorliegenden Beitrag wird der Frage nachgegangen: Gibt es einen Halo-Effekt im Fußball? {\"U}berstrahlt der sportliche Erfolg bzw. Misserfolg die Wahrnehmung der Fans wom{\"o}glich sogar hinsichtlich nicht-sportlicher Aspekte? Der Beitrag gibt den aktuellen Stand zur Halo-Forschung wider und pr{\"a}sentiert die Ergebnisse einer empirischen Untersuchung, in deren Rahmen Fans von Vereinen aus der deutschen Fußball-Bundesliga befragt werden.}, language = {de} } @inproceedings{BaumungFomin2019, author = {Baumung, Wjatscheslav and Fomin, Vladislav}, title = {Predicting production times through machine learning for scheduling additive manufacturing orders in a PPC system}, series = {Intelligent applied systems on engineering : proceedings of 2019 IEEE International Conference of Intelligent Applied Systems on Engineering (IEEE ICIASE 2019) : April 26-29, Fuzhou, Fujian, China}, booktitle = {Intelligent applied systems on engineering : proceedings of 2019 IEEE International Conference of Intelligent Applied Systems on Engineering (IEEE ICIASE 2019) : April 26-29, Fuzhou, Fujian, China}, publisher = {IEEE}, address = {Piscataway, NJ}, isbn = {978-1-5386-8139-8}, doi = {10.1109/ICIASE45644.2019.9074152}, pages = {47 -- 50}, year = {2019}, abstract = {Additive manufacturing (AM) is a promising manufacturing method for many industrial sectors. For this application, industrial requirements such as high production volumes and coordinated implementation must be taken into account. These tasks of the internal handling of production facilities are carried out by the Production Planning and Control (PPC) information system. A key factor in the planning and scheduling is the exact calculation of manufacturing times. For this purpose we investigate the use of Machine Learning (ML) for the prediction of manufacturing times of AM facilities.}, language = {en} } @article{SchuhmacherKuss2020, author = {Schuhmacher, Alexander and Kuss, Michael}, title = {The impact of crowdsourcing in modern drug discovery}, series = {Expert opinion on drug discovery}, volume = {15}, journal = {Expert opinion on drug discovery}, number = {8}, publisher = {Taylor \& Francis Group}, address = {Abingdon}, doi = {10.1080/17460441.2020.1751116}, pages = {865 -- 867}, year = {2020}, abstract = {Pharmaceutical companies are among the top investors into research and development (R\&D) globally, as product innovation is still the main growth driver for the industry and because the related complexities necessitate enormous R\&D investments. The market demand for new medicines to be more efficacious or to provide better safety than existing drugs and the regulatory need to prove superiority in clinical trials are reasons why drug R\&D is increasingly expensive and pharmaceutical companies need to manage extraordinarily high costs per approved new compound.}, language = {en} } @inproceedings{SackmannWarnholtzSimetal.2020, author = {Sackmann, Benjamin and Warnholtz, Birthe and Sim, Jae Hoon and Burovikhin, Dmitrii and Dalhoff, Ernst and Eberhard, Peter and Lauxmann, Michael}, title = {Investigation of tympanic membrane influences on middle-ear impedance measurements and simulations}, series = {Multibody dynamics 2019 : proceedings of the 9th ECCOMAS Conference on Multibody Dynamics. - (Computational methods in applied sciences ; 53)}, booktitle = {Multibody dynamics 2019 : proceedings of the 9th ECCOMAS Conference on Multibody Dynamics. - (Computational methods in applied sciences ; 53)}, editor = {Kecskem{\´e}thy, Andr{\´e}s}, publisher = {Springer}, address = {Cham}, doi = {10.1007/978-3-030-23132-3_1}, pages = {3 -- 10}, year = {2020}, abstract = {This study simulates acoustic impedance measurements in the human ear canal and investigates error influences due to improperly accounted evanescence in the probe's near field, cross-section area changes, curvature of the ear canal, and pressure inhomogeneities across the tympanic membrane, which arise mainly at frequencies above 10 kHz. Evanescence results from strongly damped modes of higher order, which can only be found in the near field of the sound source and are excited due to sharp cross-sectional changes as they occur at the transition from the probe loudspeaker to the ear canal. This means that different impedances are measured depending on the probe design. The influence of evanescence cannot be eliminated completely from measurements, however, it can be reduced by a probe design with larger distance between speaker and microphone. A completely different approach to account for the influence of evanescence is to evaluate impedance measurements with the help of a finite element model, which takes the precise arrangement of microphone and speaker in the measurement into account. The latter is shown in this study exemplary on impedance measurements at a tube terminated with a steel plate. Furthermore, the influences of shape changes of the tympanic membrane and ear canal curvature on impedance are investigated.}, language = {en} } @article{ThiemannHesseKozlov2019, author = {Thiemann, Daniel and Hesse, Friedrich and Kozlov, Michail}, title = {The benefits of collaboration in computer-mediated preference exchange in teams: a psychological perspective}, series = {Computers in human behavior}, volume = {97}, journal = {Computers in human behavior}, publisher = {Elsevier}, address = {Amsterdam}, issn = {0747-5632}, doi = {10.1016/j.chb.2019.02.032}, pages = {24 -- 34}, year = {2019}, abstract = {Computers are increasingly used in teams in various contexts, for example in negotiations. Especially when using computer-support for decision making processes, it is an important question whether active collaboration within the team - for example via audio-conference - has additional benefits beyond the supply of full task-relevant information via computer. In team negotiations, team representatives are only able to represent the whole team, if diverse preferences of the team members are aligned prior to the negotiation. In an experimental study with 150 participants, we provided team members with the complete information about each other's preferences during an either collaboratively (computer-mediated) or seperately conducted computer-supported negotiation preparation and subsequently asked them for their priorities as representatives of the team. Our results showed that providing complete task-relevant information via computer is insufficient to compensate for the absence of active collaboration within the team.}, language = {en} } @inproceedings{HahnHaemmerlingHaistetal.2020, author = {Hahn, Robin and H{\"a}mmerling, Freya-Elin and Haist, Tobias and Fleischle, David and Schwanke, Oliver and Hauler, Otto and Rebner, Karsten and Brecht, Marc and Osten, Wolfgang}, title = {Detailed characterization of a hyperspectral snapshot imager for full-field chromatic confocal microscopy}, series = {Optics and Photonics for Advanced Dimensional Metrology : 6-10 April 2020, online only, France. - (Proceedings of SPIE ; vol. 11352)}, booktitle = {Optics and Photonics for Advanced Dimensional Metrology : 6-10 April 2020, online only, France. - (Proceedings of SPIE ; vol. 11352)}, editor = {De Groot, Peter}, publisher = {SPIE}, address = {Bellingham, Washington, USA}, isbn = {978-1-5106-3477-0}, pages = {1 -- 14}, year = {2020}, abstract = {Hyperspectral imaging opens a wide field of applications. It is a well established technique in agriculture, medicine, mineralogy and many other fields. Most commercial hyperspectral sensors are able to record spectral information along one spatial dimension in a single acquisition. For the second spatial dimension a scan is required. Beside those systems there is a novel technique allowing to sense a two dimensional scene and its spectral information within one shot. This increases the speed of hyperspectral imaging, which is interesting for metrology tasks under rough environmental conditions. In this article we present a detailed characterization of such a snapshot sensor for later use in a snapshot full field chromatic confocal system. The sensor (Ximea MQ022HG-IM-SM5X5-NIR) is based on the so called snapshot mosaic technique, which offers 25 bands mapped to one so called macro pixel. The different bands are realized by a spatially repeating pattern of Fabry-P{\`e}rot flters. Those filters are monolithically fabricated on the camera chip.}, language = {en} } @article{HorakovaOulehlovaNovotnyetal.2020, author = {Horakova, Jana and Oulehlova, Zuzana and Novotny, Vit and Jencova, Vera and Mikes, Petr and Havlickova, Kristyna and Prochazkova, Renata and Heczkova, Bohdana and Hadinec, Pavel and Sehr, Silvia and Wendel, Hans-Peter and Bell, Carl-Martin and Krajewski, Stefanie}, title = {The assessment of electrospun scaffolds fabricated from polycaprolactone with the addition of L-arginine}, series = {Biomedical physics \& engineering express}, volume = {6}, journal = {Biomedical physics \& engineering express}, number = {2, Artikel 025012}, publisher = {IOP Publ.}, address = {Bristol}, issn = {2057-1976}, pages = {1 -- 13}, year = {2020}, abstract = {Polycaprolactone (PCL) was electrospun with the addition of arginine (Arg), an α-amino acid that accelerates the haeling process. The efficient needleless electrospinning technique was used for the fabrication of the nanofibrous layers. The materials produced consisted mainly of fibers with diameters of between 200 and 400 nm. Moreover, both microfibers and beads were present within the layers. Higher bead sized were observed with the increased addition of arginine.}, language = {en} } @article{UrdlWeissChristoefletal.2020, author = {Urdl, Katharina and Weiss, Stephanie and Christ{\"o}fl, Petra and Kandelbauer, Andreas and M{\"u}ller, Uwe and Kern, Wolfgang}, title = {Diels-Adler modified self-healing melamine resin}, series = {European polymer journal : EPJ}, volume = {127, Aufsatz 109601}, journal = {European polymer journal : EPJ}, publisher = {Elsevier}, address = {New York, NY}, issn = {0014-3057}, doi = {10.1016/j.eurpolymj.2020.109601}, pages = {1 -- 12}, year = {2020}, abstract = {The self-healing effect of melamine-based surfaces, triggered by temperature, was investigated. The temperature triggered reversible healing chemistry, on which the self-healing effect is based, was the Diels-Alder (DA) reaction between furan and malemeide groups. Melamine-furan containing building blocks were connected by multi-functional maleimide crosslinker via a Diels-Alder (DA) reaction to giva a DA adduct. The DA adduct was then reacted with formaldehyde to form a network by conventional condensation reaction of melamine amino groups with formaldehyde. The obtained resin was characterised and used for the impregnation of paper. Impregnated papers and neat resin werde used to perform scratch-healing tests and mechanical analysis of the novel coating system.}, language = {en} } @article{EllerHofmannSchwarz2020, author = {Eller, Eric and Hofmann, Rupert and Schwarz, Jan Oliver}, title = {The customer foresight territory}, series = {Marketing review St. Gallen : die neue Thexis-Marketingfachzeitschrift f{\"u}r Theorie und Praxis}, journal = {Marketing review St. Gallen : die neue Thexis-Marketingfachzeitschrift f{\"u}r Theorie und Praxis}, number = {3}, publisher = {Thexis Verlag}, address = {St. Gallen}, issn = {1865-6544}, pages = {12 -- 19}, year = {2020}, abstract = {Customer foresight is a relatively new research field. We introduce the customer foresight territory by discussing it localization between customer research and foresight research. For this purposse, we look at a variety of methods that help to understand customers and future realities. On this basis we provide an overwiew of customer foresight methods and outline an ideal-typical research journey.}, language = {en} } @misc{Gulde2019, author = {Gulde, Thomas}, title = {Messsystem und Verfahren zur extrinsischen Kalibrierung}, pages = {11}, year = {2019}, abstract = {Die Erfindung betrifft ein Verfahren zur extrinsischen Kalibrierung wenigstens eines bildgebenden Sensors, wonach eine Pose des wenigstens einen bildgebenden Sensors relativ zu dem Ursprung (U) eines dreidimensionalen Koordinatensystems einer Handhabungseinrichtung mittels einer Recheneinrichtung bestimmt wird, wobei bekannte dreidimensionale Koordinaten betreffend die Position wenigstens eines Gelenks der Handhabungseinrichtung durch die Recheneinrichtung ber{\"u}cksichtigt werden, und wobei zweidimensionale Koordinaten betreffend die Position des wenigstens einen Gelenks anhand von Rohdaten des wenigstens einen bildgebenden Sensors ermittelt werden, und wobei die Recheneinrichtung die Pose des wenigstens einen bildgebenden Sensors anhand der Korrespondenz zwischen den zweidimensionalen Koordinaten und den dreidimensionalen Koordinaten bestimmt.}, language = {de} } @article{ZeineldinKararCoburgeretal.2020, author = {Zeineldin, Ramy and Karar, Mohamed Esmail and Coburger, Jan and Wirtz, Christian and Burgert, Oliver}, title = {DeepSeg: deep neural network framework for automatic brain tumor segmentation using magnetic resonance FLAIR images}, series = {International journal of computer assisted radiology and surgery : a journal for interdisciplinary research, development and applications of image guided diagnosis and therapy}, volume = {15}, journal = {International journal of computer assisted radiology and surgery : a journal for interdisciplinary research, development and applications of image guided diagnosis and therapy}, number = {6}, publisher = {Springer}, address = {Berlin ; Heidelberg}, issn = {1861-6410}, doi = {10.1007/s11548-020-02186-z}, url = {http://nbn-resolving.de/urn:nbn:de:bsz:rt2-opus4-27666}, pages = {909 -- 920}, year = {2020}, abstract = {Purpose: Gliomas are the most common and aggressive type of brain tumors due to their infiltrative nature and rapid progression. The process of distinguishing tumor boundaries from healthy cells is still a challenging task in the clinical routine. Fluid attenuated inversion recovery (FLAIR) MRI modality can provide the physician with information about tumor infiltration. Therefore, this paper proposes a new generic deep learning architecture, namely DeepSeg, for fully automated detection and segmentation of the brain lesion using FLAIR MRI data. Methods: The developed DeepSeg is a modular decoupling framework. It consists of two connected core parts based on an encoding and decoding relationship. The encoder part is a convolutional neural network (CNN) responsible for spatial information extraction. The resulting semantic map is inserted into the decoder part to get the full-resolution probability map. Based on modified U-Net architecture, different CNN models such as residual neural network (ResNet), dense convolutional network (DenseNet), and NASNet have been utilized in this study. Results: The proposed deep learning architectures have been successfully tested and evaluated on-line based on MRI datasets of brain tumor segmentation (BraTS 2019) challenge, including s336 cases as training data and 125 cases for validation data. The dice and Hausdorff distance scores of obtained segmentation results are about 0.81 to 0.84 and 9.8 to 19.7 correspondingly. Conclusion: This study showed successful feasibility and comparative performance of applying different deep learning models in a new DeepSeg framework for automated brain tumor segmentation in FLAIR MR images. The proposed DeepSeg is open source and freely available at https://github.com/razeineldin/DeepSeg/.}, language = {en} } @article{Kuehnl2019, author = {K{\"u}hnl, Christina}, title = {Klassiker der Organisationsforschung (31): Michael Porter}, series = {Organisationsentwicklung : Zeitschrift f{\"u}r Unternehmensentwicklung und Change Management}, journal = {Organisationsentwicklung : Zeitschrift f{\"u}r Unternehmensentwicklung und Change Management}, number = {1}, publisher = {Verl.-Gruppe Handelsblatt}, address = {D{\"u}sseldorf}, issn = {0724-6110}, pages = {100 -- 105}, year = {2019}, abstract = {Als einer der ersten Wissenschaftler hat der Strategieprofessor Michael Porter die aus der Volkswirtschaftslehre stammenden Erkenntnisse der Industrie{\"o}konomik mit Konzepten der Unternehmensstrategie kombiniert, um ein genaueres Verst{\"a}ndnis vom Einfluss des Branchenwettbewerbs auf den Unternehmenserfolg sowie von Wettbewerbsentscheidungen zu erlangen. In all seinen Arbeiten steckt der Kerngedanke, durch die Wahl einer geeigneten Strategie, Wert zu generieren und somit eine hohe Wettbewerbsf{\"a}higkeit und Profitabilit{\"a}t zu erzielen. Porters Themen weisen dabei eine große inhaltliche Vielfalt auf: von der Digitalisierung, {\"u}ber Wettbewerb in der Politik bis hin zum gesellschaftlichen Fortschritt. Typisch f{\"u}r Porter ist ein ganzheitlicher Forschungsansatz, der sich anstelle einzelner Bestandteile eines Systems der umfassenden Betrachtung komplexer Systeme widmet. Hieraus leitet er anhand zahlreicher Fallstudien und Praxisbeispiele Modelle ab, die Managern als Spielregeln f{\"u}r den Wettbewerb dienen. Mit seinen Werken liefert er nicht nur Impulse f{\"u}r die Wissenschaft, sondern er versucht vor allem, das Denken und Handeln von Unternehmenspraxis, Politik und Gesellschaft nachhaltig zu beeinflussen. Seine Modelle, wie beispielsweise das F{\"u}nf-Kr{\"a}fte-Modell, sind im Hinblick auf die Entwicklung von Organisationen daf{\"u}r bekannt, dass Manager die marktseitigen Einfl{\"u}sse auf die Wettbewerbssituation ihres Unternehmens besser verstehen und entsprechend ihre strategischen Entscheidungen treffen k{\"o}nnen.}, language = {de} } @inproceedings{BurovikhinSackmannSchaeretal.2020, author = {Burovikhin, Dmitrii and Sackmann, Benjamin and Sch{\"a}r, Merlin and Sim, Jae Hoon and Eberhard, Peter and Lauxmann, Michael}, title = {Investigation of inhomogeneous stiffness and damping characteristics of the human stapedial annular ligament}, series = {Multibody dynamics 2019 : proceedings of the 9th ECCOMAS Thematic Conference on Multibody Dynamics. - (Computational methods in applied sciences ; 53)}, booktitle = {Multibody dynamics 2019 : proceedings of the 9th ECCOMAS Thematic Conference on Multibody Dynamics. - (Computational methods in applied sciences ; 53)}, editor = {Kecskem{\´e}thy, Andr{\´e}s}, publisher = {Springer}, address = {Cham}, isbn = {978-3-030-23132-3}, doi = {10.1007/978-3-030-23132-3_3}, pages = {18 -- 25}, year = {2020}, abstract = {This study describes a non-contact measuring and system identification procedure for evaluating inhomogeneous stiffness and damping characteristics of the annular ligament in the physiological amplitude and frequency range without the application of large static external forces that can cause unnatural displacements of the stapes. To verify the procedure, measurements were first conducted on a steel beam. Then, measurements on an individual human cadaveric temporal bone sample were performed. The estimated results support the inhomogeneous stiffness and damping distribution of the annular ligament and are in a good agreement with the multiphoton microscopy results which show that the posterior-inferior corner of the stapes footplate is the stiffest region of the annular ligament.}, language = {en} } @incollection{MasudaZimmermannShirasakaetal.2020, author = {Masuda, Yoshimasa and Zimmermann, Alfred and Shirasaka, Seiko and Nakamura, Osamu}, title = {Internet of Robotic Things with digital platforms : digitization of robotics enterprise}, series = {Human centred intelligent systems : proceedings of KES-HCIS 2020 Conference. - (Smart innovation, systems and technology ; 189)}, booktitle = {Human centred intelligent systems : proceedings of KES-HCIS 2020 Conference. - (Smart innovation, systems and technology ; 189)}, editor = {Zimmermann, Alfred}, publisher = {Springer}, address = {Singapore}, isbn = {978-981-15-5783-5}, pages = {381 -- 391}, year = {2020}, abstract = {Internet of Things (IoT) provides a strong platform for computer users to connect objects, devices, and people to the Internet for exchanging or sharing of information with each other. IoT is growing rapidly and is expected to adapt to disciplines such as manufacturing, agriculture, healthcare, and robotics. Furthermore, the new concept of IoT is proposed and shown, especially for robotics areas as Internet of Robotics Things (IoRT). IoRT is a mixed structure of diverse technologies such as cloud computing, artificial intelligence, and machine learning. However, to promote and realize IoRT, digitization and digital transformation should be proceeded and implemented in the robotics enterprise. In this paper, we propose and architecture framework for IoRT-based digital platforms an verify it using a planned case in a global robotics enterprise. The associated challenges and future research directions in this field are also presented.}, language = {en} } @incollection{Herzog2020, author = {Herzog, Bodo}, title = {Informationspopulismus in der liberalen Demokratie : digitale Echokammern und anti-pluralistische Profilierung im Medienwettbewerb}, series = {Populismus - Staat - Demokratie : ein interdisziplin{\"a}re Streitgespr{\"a}ch}, booktitle = {Populismus - Staat - Demokratie : ein interdisziplin{\"a}re Streitgespr{\"a}ch}, editor = {Panreck, Isabelle-Christine}, publisher = {Springer VS}, address = {Wiesbaden}, isbn = {978-3-658-30075-3}, pages = {47 -- 73}, year = {2020}, abstract = {Das Ph{\"a}nomen des Populismus wird in den verschiedensten wissenschaftlichen Disziplinen seit Jahrzehnten er{\"o}rtert. Dss vorherrschende Narrativ ist aber {\"o}konomischer Natur. Die (Finanz-)Globalisierung und der technologische Fortschritt entfremden die Menschen und bewirken Verunsicherung. Zudem erkennen die B{\"u}rger mehr die Herausforderungen als die Chancen in diesem Transformationsprozess.}, language = {de} } @article{BraunHaagStaveetal.2020, author = {Braun, Reiner and Haag, Maximilian and Stave, Jonas and Abdelnour, Nermeen and Eicker, Ursula}, title = {System design and feasibility of trigeneration systems with hybrid photovoltaic-thermal (PVT) collectors for zero energy office buildings in different climates}, series = {Solar energy}, volume = {196}, journal = {Solar energy}, publisher = {Elsevier}, address = {Amsterdam}, issn = {0038-092x}, doi = {10.1016/j.solener.2019.12.005}, url = {http://nbn-resolving.de/urn:nbn:de:bsz:rt2-opus4-27576}, pages = {39 -- 48}, year = {2020}, abstract = {Zero or plus energy office buildings must have very high building standards and require highly efficient energy supply systems due to space limitations for renewable installations. Conventional solar cooling systems use photovoltaic electricity or thermal energy to run either a compression cooling machine or an absorption-cooling machine in order to produce cooling energy during daytime, while they use electricity from the grid for the nightly cooling energy demand. With a hybrid photovoltaic-thermal collector, electricity as well as thermal energy can be produced at the same time. These collectors can produce also cooling energy at nighttime by longwave radiation exchange with the night sky and convection losses to the ambient air. Such a renewable trigeneration system offers new fields of applications. However, the technical, ecological and economical aspects of such systems are still largely unexplored. In this work, the potential of a PVT system to heat and cool office buildings in three different climate zones is investigated. In the investigated system, PVT collectors act as a heat source and heat sink for a reversible heat pump. Due to the reduced electricity consumption (from the grid) for heat rejection, the overall efficiency and economics improve compared to a conventional solar cooling system using a reversible air-to-water heat pump as heat and cold source. A parametric simulation study was carried out to evaluate the system design with different PVT surface areas and storage tank volumes to optimize the system for three different climate zones and for two different building standards. It is shown such systems are technically feasible today. With a maximum utilization of PV electricity for heating, ventilation, air conditioning and other electricity demand such as lighting and plug loads, high solar fractions and primary energy savings can be achieved. Annual costs for such a system are comparable to conventional solar thermal and solar electrical cooling systems. Nevertheless, the economic feasibility strongly depends on country specific energy prices and energy policy. However, even in countries without compensation schemes for energy produced by renewables, this system can still be economically viable today. It could be shown, that a specific system dimensioning can be found at each of the investigated locations worldwide for a valuable economic and ecological operation of an office building with PVT technologies in different system designs.}, language = {en} } @article{RooneyVargaKapmeierStermanetal.2020, author = {Rooney-Varga, Juliette and Kapmeier, Florian and Sterman, John and Jones, Andrew and Putko, Michele and Rath, Kenneth}, title = {The Climate Action Simulation}, series = {Simulation \& gaming : an international journal of theory, practice and research}, volume = {51}, journal = {Simulation \& gaming : an international journal of theory, practice and research}, number = {2}, publisher = {Sage Publ.}, address = {London}, issn = {0037-5500}, doi = {10.1177\%2F1046878119890643}, url = {http://nbn-resolving.de/urn:nbn:de:bsz:rt2-opus4-27569}, pages = {114 -- 140}, year = {2020}, abstract = {Background. We describe and provide an initial evaluation of the Climate Action Simulation, a simulation-based role playing game that enables participants to learn for themselves about the response of the climate-energy system to potential policies and actions. Participants gain an understanding of the scale and urgency of climate action, the impact of different policies and actions, and the dynamics and interactions of different policy choices. Intervention. The Climate Action Simulation combines an interactive computer model, En-ROADS, with a role play in which participants make decisions about energy and climate policy. They learn about the dynamics of the climate and energy systems as they discover how En-ROADS responds to their own climate-energy decisions. Methods. We evaluated learning outcomes from the Climate Action Simulation using pre- and post-simulation surveys as well as a focus group. Results. Analysis of survey results showed that the Climate Action Simulation increases participants' knowledge about the scale of emissions reductions and policies and actions needed to address climate change. Their personal and emotional engagement with climate change also grew. Focus group participants were overwhelmingly positive about the Climate Action Simulation, saying it left them feeling empowered to make a positive difference in addressing the climate challenge.}, language = {en} } @inproceedings{Kahabka2020, author = {Kahabka, Alexander}, title = {Vergleichende Analyse des YouTube- Auftritts von privat- und {\"o}ffentlich-rechtlichen Sendegruppen}, series = {Informatics inside: connect(IT) : Informatik-Konferenz der Hochschule Reutlingen ; 20. Mai 2020 : Tagungsband. - (Informatics inside ; 20)}, booktitle = {Informatics inside: connect(IT) : Informatik-Konferenz der Hochschule Reutlingen ; 20. Mai 2020 : Tagungsband. - (Informatics inside ; 20)}, editor = {Kloos, Uwe}, publisher = {Hochschule Reutlingen}, address = {Reutlingen}, isbn = {978-3-00-065431-2}, url = {http://nbn-resolving.de/urn:nbn:de:bsz:rt2-opus4-27554}, pages = {130 -- 140}, year = {2020}, abstract = {Lange wurde das Internet als Antagonismus zum Fernsehen gesehen. Es wurde dementsprechend zur Zuschauerr{\"u}ck- bzw. -gewinnung genutzt, was sich allerdings als ineffizient erwies. Inzwischen haben die einzelnen Sendegruppen das Internet jedoch als mediale Erweiterung erkannt und genutzt. Durch diese sp{\"a}te Akzeptanz zeigen sich starke Unterschiede im Umfang und der Vorgehensweise hinsichtlich der Nutzung des Internets als zus{\"a}tzliches Medium. Am besten l{\"a}sst sich dies in einem Vergleich in Bezug auf die wichtigste videotechnische Social Media Plattform YouTube darstellen. In diesem Vergleich sollen die einzelnen Sendegruppen hinsichtlich ihrer wahrgenommenen Vorteile, Nachteile und Attraktivit{\"a}t bezogen auf das Nutzerverhalten und die Nutzermeinung bewertet werden. Die zielgruppenorientierte Optimierung des YouTube-Auftrittes ist von außerordentlich hoher Bedeutung f{\"u}r die zuk{\"u}nftige Marktdurchdringung.}, language = {de} } @inproceedings{Sadri2020, author = {Sadri, Wafa}, title = {User interaction and motion dynamics simulations for microgravity — development of a concept and prototype for astronaut training with virtual reality}, series = {Informatics inside: connect(IT) : Informatik-Konferenz der Hochschule Reutlingen ; 20. Mai 2020 : Tagungsband. - (Informatics inside ; 20)}, booktitle = {Informatics inside: connect(IT) : Informatik-Konferenz der Hochschule Reutlingen ; 20. Mai 2020 : Tagungsband. - (Informatics inside ; 20)}, editor = {Kloos, Uwe}, publisher = {Hochschule Reutlingen}, address = {Reutlingen}, isbn = {978-3-00-065431-2}, url = {http://nbn-resolving.de/urn:nbn:de:bsz:rt2-opus4-27548}, pages = {118 -- 129}, year = {2020}, abstract = {Going forward with the requirements of missions to the Moon and further into deep space, the European Space Agency is investigating new methods of astronaut training that can help accelerate learning, increase availability and reduce complexity and cost in comparison to currently used methods. To achieve this, technologies such as virtual reality may be utilized. In this paper, an investigation into the benefits of using virtual reality as a means for extravehicular activity training in comparison to conventional training methods, such as neutral buoyancy pools is given. To help determine the requirements and current uses of virtual reality for extravehicular activity training first hand tests of currently available software as well as expert interviews are utilized. With this knowledge a concept is developed that may be used to further advance training methods in virtual reality. The resulting concept is used as a basis for development of a prototype to showcase user interactions and locomotion in microgravity simulations.}, language = {en} } @inproceedings{Vennebusch2020, author = {Vennebusch, Sven}, title = {Entwicklung eines Prototypen zur M{\"u}digkeitserkennung im Fahrsimulator}, series = {Informatics inside: connect(IT) : Informatik-Konferenz der Hochschule Reutlingen ; 20. Mai 2020 : Tagungsband. - (Informatics inside ; 20)}, booktitle = {Informatics inside: connect(IT) : Informatik-Konferenz der Hochschule Reutlingen ; 20. Mai 2020 : Tagungsband. - (Informatics inside ; 20)}, editor = {Kloos, Uwe}, publisher = {Hochschule Reutlingen}, address = {Reutlingen}, isbn = {978-3-00-065431-2}, url = {http://nbn-resolving.de/urn:nbn:de:bsz:rt2-opus4-27530}, pages = {106 -- 117}, year = {2020}, abstract = {Ein nicht unerheblicher Anteil der Autounf{\"a}lle ist auf M{\"u}digkeit am Steuer zur{\"u}ckzuf{\"u}hren. Um Unf{\"a}lle aufgrund von M{\"u}digkeit zu vermeiden, existieren schon einige Ans{\"a}tze wie beispielsweise die Erkennung der Fahrweise. Im Rahmen des IOT-Labors des Masterstudiengangs Human Centered Computing der Hochschule Reutlingen sollen verschiedene Fahrassistenzsysteme entwickelt und getestet werden, um Unf{\"a}lle aufgrund von M{\"u}digkeit zu verhindern. Diese Arbeit besch{\"a}ftigt sich mit der M{\"u}digkeitserkennung {\"u}ber Computer Vision (CV) und das Elektrokardiogramm (EKG). Im Rahmen dieses Papers wird die M{\"u}digkeitserkennung {\"u}ber CV am Steuer mittels den Open Source Bibliotheken OpenCV und Dlib und dem Embedded PC Nvidia Jetson Nano verwirklicht. Die M{\"u}digkeit {\"u}ber EKG wird {\"u}ber den Herzschlag und die Herzfrequenzvariabilit{\"a}t erkannt. Ebenfalls wurde in dieser Arbeit eine Schnittstelle aus CV und EKG entwickelt, um aus den Python-Skripten der M{\"u}digkeitserkennung {\"u}ber Computer Vision und der M{\"u}digkeitserkennung {\"u}ber EKG die zur Erkennung wichtigen Daten zusammenzufassen. Diese werden anschließend zu einem gesamten Ergebnis ausgewertet.}, language = {de} } @inproceedings{Rein2020, author = {Rein, Markus}, title = {Testumgebungen f{\"u}r Augmented Reality zur Anzeige autonomer Fahrfunktionen}, series = {Informatics inside: connect(IT) : Informatik-Konferenz an der Hochschule Reutlingen ; 20. Mai 2020 : Tagungsband. - (Informatics inside ; 20)}, booktitle = {Informatics inside: connect(IT) : Informatik-Konferenz an der Hochschule Reutlingen ; 20. Mai 2020 : Tagungsband. - (Informatics inside ; 20)}, editor = {Kloos, Uwe}, publisher = {Hochschule Reutlingen}, address = {Reutlingen}, isbn = {978-3-00-065431-2}, url = {http://nbn-resolving.de/urn:nbn:de:bsz:rt2-opus4-27526}, pages = {95 -- 105}, year = {2020}, abstract = {In dieser Arbeit werden drei verschiedene Testumgebungen vorgestellt, welche in ein iteratives Vorgehen einfließen, um die Entwicklung von Augmented-Reality-Anwendungen zur Darstellung von autonomen Fahrfunktionen zu unterst{\"u}tzen. Gestaltungsentw{\"u}rfe und Softwareentwicklungen k{\"o}nnen in den Testumgebungen f{\"u}r unterschiedliche Zielsetzungen von Personenbefragungen vorgestellt und bewertet werden. Das entwicklungsbegleitende Testen erm{\"o}glicht eine fr{\"u}hzeitige Identifizierung von {\"A}nderungshinweisen, welche f{\"u}r einen g{\"u}ltigen L{\"o}sungsentwurf eingearbeitet werden k{\"o}nnen. Die entwickelten Testumgebungen sind ein verkleinertes Modell, ein Fahrsimulator und ein reales Fahrzeug. Eigenschaften, Funktionen und Aufbauten resultieren aus Erkenntnissen der Literatur und Erfahrungen aus ersten Entwicklungen. Diese und die Einsatzm{\"o}glichkeiten werden mit dieser Arbeit aufgezeigt.}, language = {de} } @inproceedings{Braeuer2020, author = {Br{\"a}uer, Claudiu}, title = {Visualisierung von neuronalen Netzen zur Unterst{\"u}tzung beim Training}, series = {Informatics inside: connect(IT) : Informatik-Konferenz der Hochschule Reutlingen ; 20. Mai 2020 : Tagungsband. - (Informatics inside ; 20)}, booktitle = {Informatics inside: connect(IT) : Informatik-Konferenz der Hochschule Reutlingen ; 20. Mai 2020 : Tagungsband. - (Informatics inside ; 20)}, editor = {Kloos, Uwe}, publisher = {Hochschule Reutlingen}, address = {Reutlingen}, isbn = {978-3-00-065431-2}, url = {http://nbn-resolving.de/urn:nbn:de:bsz:rt2-opus4-27518}, pages = {83 -- 94}, year = {2020}, abstract = {In dieser Ausarbeitung wird auf Visualisierungsm{\"o}glichkeiten von neuronalen Netzen eingegangen. Ein neuronales Netz scheint zuerst nicht von außen einsehbar und ist somit f{\"u}r viele eine Blackbox. H{\"a}ufig genutzte Python-Bibliotheken, zum Beispiel TensorFlow, werden vorgestellt und deren St{\"a}rken wie auch Schw{\"a}chen pr{\"a}sentiert. Anhand dieser werden bereits bestehende Visualisierungen gezeigt und ihr derzeitiger Einsatz wird erl{\"a}utert. Durch einen Vergleich soll ersichtlich werden, welche Bibliothek am meisten Daten w{\"a}hrend des Trainings liefert, damit diese Informationen weiter verarbeitet werden. Diese Daten sollen so visualisiert werden, dass sie bei der Entwicklung eines neuronalen Netzes unterst{\"u}tzend sind. Ziel ist es, auf die M{\"o}glichkeiten einzugehen, welche geboten werden k{\"o}nnen. Durch eine Vereinfachung des Debuggings neuronaler Netze sollen weiterf{\"u}hrende Entwicklungen in diese Richtung unterst{\"u}tzt werden.}, language = {de} } @inproceedings{Dimitrov2020, author = {Dimitrov, Yoan}, title = {Combining word embeddings and convolutional neural networks to detect duplicated questions}, series = {Informatics inside: connect(IT) : Informatik-Konferenz der Hochschule Reutlingen ; 20. Mai 2020 : Tagungsband. - (Informatics inside ; 20)}, booktitle = {Informatics inside: connect(IT) : Informatik-Konferenz der Hochschule Reutlingen ; 20. Mai 2020 : Tagungsband. - (Informatics inside ; 20)}, editor = {Kloos, Uwe}, publisher = {Hochschule Reutlingen}, address = {Reutlingen}, isbn = {978-3-00-065431-2}, url = {http://nbn-resolving.de/urn:nbn:de:bsz:rt2-opus4-27505}, pages = {74 -- 82}, year = {2020}, abstract = {Detecting semantic similarities between sentences is still a challenge today due to the ambiguity of natural languages. In this work, we propose a simple approach to identifying semantically similar questions by combining the strengths of word embeddings and Convolutional Neural Networks (CNNs). In addition, we demonstrate how the cosine similarity metric can be used to effectively compare feature vectors. Our network is trained on the Quora dataset, which contains over 400k question pairs. We experiment with different embedding approaches such as Word2Vec, Fasttext, and Doc2Vec and investigate the effects these approaches have on model performance. Our model achieves competitive results on the Quora dataset and complements the well-established evidence that CNNs can be utilized for paraphrase recognition tasks.}, language = {en} } @inproceedings{Schoening2020, author = {Sch{\"o}ning, Antonia}, title = {Traceability f{\"u}r Usability Engineering bei medizintechnischen Produkten}, series = {Informatics inside: connect(IT) : Informatik-Konferenz der Hochschule Reutlingen ; 20. Mai 2020 : Tagungsband. - (Informatics inside ; 20)}, booktitle = {Informatics inside: connect(IT) : Informatik-Konferenz der Hochschule Reutlingen ; 20. Mai 2020 : Tagungsband. - (Informatics inside ; 20)}, editor = {Kloos, Uwe}, publisher = {Hochschule Reutlingen}, address = {Reutlingen}, isbn = {978-3-00-065431-2}, url = {http://nbn-resolving.de/urn:nbn:de:bsz:rt2-opus4-27493}, pages = {65 -- 73}, year = {2020}, abstract = {Die Entwicklung eines Medizinproduktes ben{\"o}tigt in der Regel mehrere Jahre. Gesetzliche Vorgaben, wie zum Beispiel das Medizinprodukte Durchf{\"u}hrungsgesetz, bestimmen, welche Schritte w{\"a}hrend der Entwicklung durchgef{\"u}hrt werden m{\"u}ssen. Deren Einhaltung muss in der technischen Dokumentation nachgewiesen werden. Die darin enthaltenen technischen Dokumente entstehen im Verlauf der Entwicklung. Diese bauen aufeinander auf und verweisen sich gegenseitig. Dadurch entstehen heterogene und un{\"u}bersichtliche Strukturen. Eine L{\"o}sung f{\"u}r dieses Problem bietet Traceability. Traceability sorgt daf{\"u}r, dass die Anforderungen an das Medizinprodukt mit Dokumenten, wie dem Anforderungskatalog, Lastenheft oder der Spezifikation verkn{\"u}pft werden k{\"o}nnen. Somit ist jederzeit nachvollziehbar, welche Anforderungen mit welchem Test, welchen {\"A}nderungen oder welchen Ergebnissen zusammenh{\"a}ngen. Ein wichtiger Prozess bei der Entwicklung von Medizinprodukten ist zudem das Usability Engineering, wodurch die Sicherheit eines Medizinprodukts sichergestellt und Risiken bei der Anwendung minimiert werden sollen. In diesem Prozess entstehen viele Artefakte, wie zum Beispiel Usability-Berichte. Um den {\"U}berblick {\"u}ber alle Usability-Daten behalten zu k{\"o}nnen, k{\"o}nnen diese mithilfe von Traceability verkn{\"u}pft werden. In diesem Artikel wird herausgestellt, welche Voraussetzungen f{\"u}r das Usability Engineering in der Medizintechnik an Traceability gestellt werden.}, language = {de} } @inproceedings{Lohr2020, author = {Lohr, Katharina}, title = {Analyse des Requirements Engineering eines KIS-Herstellers}, series = {Informatics inside: connect(IT) : Informatik-Konferenz der Hochschule Reutlingen ; 20. Mai 2020 : Tagungsband. - (Informatics inside ; 20)}, booktitle = {Informatics inside: connect(IT) : Informatik-Konferenz der Hochschule Reutlingen ; 20. Mai 2020 : Tagungsband. - (Informatics inside ; 20)}, editor = {Kloos, Uwe}, publisher = {Hochschule Reutlingen}, address = {Reutlingen}, isbn = {978-3-00-065431-2}, url = {http://nbn-resolving.de/urn:nbn:de:bsz:rt2-opus4-27487}, pages = {53 -- 64}, year = {2020}, abstract = {Requirements Engineering (RE) umfasst s{\"a}mtliche systematische Schritte zur Entwicklung eines Systems, um die Bed{\"u}rfnisse der Nutzer und Vorgaben, die an dieses gestellt werden, zu erf{\"u}llen. Das RE eines ausgew{\"a}hlten Herstellers f{\"u}r klinische Informationssysteme (KIS) wurde untersucht und es stellt sich als intransparent als auch teilweise unzureichend dar. Das Ausmaß des Einsatzes von systematischen Vorgehensweisen und Methoden zum RE wurden beim ausgew{\"a}hlten KIS-Hersteller analysiert. Die Analyse zeigt, dass RE weit verbreitet ist, aber differenziert betrieben wird. Das Ziel dieser Arbeit ist es, den Stand der Technik des RE f{\"u}r die KIS Entwicklung zu ermitteln. Es werden wichtige Faktoren des RE f{\"u}r die Entwicklung von KIS beschrieben. Die Ergebnisse dieser Arbeit werden als erster Schritt f{\"u}r die Optimierung des RE des ausgew{\"a}hlten KIS-Herstellers dienen.}, language = {de} } @inproceedings{Discher2020, author = {Discher, Laura}, title = {Regulatorische Anforderungen an eine Qualit{\"a}tsmanagement-Software f{\"u}r Medizinprodukte}, series = {Informatics inside: connect(IT) : Informatik-Konferenz der Hochschule Reutlingen ; 20. Mai 2020 : Tagungsband. - (Informatics inside ; 20)}, booktitle = {Informatics inside: connect(IT) : Informatik-Konferenz der Hochschule Reutlingen ; 20. Mai 2020 : Tagungsband. - (Informatics inside ; 20)}, editor = {Kloos, Uwe}, publisher = {Hochschule Reutlingen}, address = {Reutlingen}, isbn = {978-3-00-065431-2}, url = {http://nbn-resolving.de/urn:nbn:de:bsz:rt2-opus4-27479}, pages = {41 -- 52}, year = {2020}, abstract = {Medizinprodukte sind Gegenst{\"a}nde, Stoffe oder Software mit medizinischer Zweckbestimmung f{\"u}r die Anwendung am Menschen. Diese werden von Medizinprodukteherstellern entwickelt und auf den Markt eingef{\"u}hrt. Da die falsche Anwendung von Medizinprodukten bei Menschen zu Verletzbarkeit des menschlichen K{\"o}rpers f{\"u}hren kann, ist eine angemessene Qualit{\"a}t der Medizinprodukte zu gew{\"a}hrtleisten. Um die Sicherstellung der Qualit{\"a}t einzuhalten, sind Medizinproduktehersteller verpflichtet, sich an die Medizinprodukteverordnung (MDR) zu halten. F{\"u}r risikoreiche Produkte ist erg{\"a}nzend die Nutzung eines Qualit{\"a}tsmanagementsystems (QMS) verpflichtend. Dieses steuert die Struktur, Verantwortlichkeiten, Verfahren und Prozesse des Unternehmens, die f{\"u}r die Medizinprodukteentwicklung notwendig sind. In Zeiten der Digitalisierung werden Softwarel{\"o}sungen eingesetzt, um die zeitaufwendigen Dokumentations- und Administrationst{\"a}tigkeiten im QMS zu reduzieren und die Prozesse zu optimieren. Mit der Einf{\"u}hrung einer Software wird ein QMS in der Praxis auch als elektronisches QMS (eQMS) bezeichnet. Weiterhin muss das gesamte QMS mit den Regularien konform sein. Deshalb ist das Ziel dieser Arbeit, mithilfe der regulatorischen Anforderungen herauszuarbeiten, welche Vorgaben bei der Einf{\"u}hrung eines eQMS zu beachten sind und wie diese erf{\"u}llt werden k{\"o}nnen. Diese Arbeit bezieht sich auf die regulatorsichen Vorgaben aus der MDR und der ISO 13485. Die Norm beinhaltet Anforderungen an ein QMS von Medizinprodukten.}, language = {de} } @article{JoosteLouwLeipzigetal.2020, author = {Jooste, Johannes and Louw, Louis and Leipzig, Konrad von and Conradie, Pieter and Asekun, Olabanji and Lucke, Dominik}, title = {Teaching maintenance plan development in a learning factory environment}, series = {Procedia manufacturing}, volume = {45}, journal = {Procedia manufacturing}, publisher = {Elsevier}, address = {Amsterdam}, doi = {10.1016/j.promfg.2020.04.040}, url = {http://nbn-resolving.de/urn:nbn:de:bsz:rt2-opus4-27462}, pages = {379 -- 385}, year = {2020}, abstract = {The use of learning factories for education in maintenance concepts is limited, despite the important role maintenance plays in the effective operation of organizational assets. A training programme in a learning factory environment is presented where a combination of gamification, classroom training and learning factory applications is used to introduce students to the concepts of maintenance plan development, asset failure characteristics and the costs associated with maintenance decision-making. The programme included a practical task to develop a maintenance plan for different advanced manufacturing machines in a learning factory setting. The programme stretched over a four-day period and demonstrated how learning factories can be effectively utilized to teach management related concepts in an interdisciplinary team context, where participants had no, or very limited, previous exposure to these concepts.}, language = {en} } @inproceedings{BoehmLuckeLeipzig2020, author = {B{\"o}hm, Max and Lucke, Dominik and Leipzig, Konrad von}, title = {An upgradable cyber-physical system enabling smart maintenance of UV lamps in industrial applications}, series = {CPSL 2020 - 1st Conference on Production Systems and Logistics, Stellenbosch, South Africa, 17. - 20. March 2020}, booktitle = {CPSL 2020 - 1st Conference on Production Systems and Logistics, Stellenbosch, South Africa, 17. - 20. March 2020}, publisher = {Leibniz-Universit{\"a}t}, address = {Hannover}, doi = {10.15488/9663}, url = {http://nbn-resolving.de/urn:nbn:de:bsz:rt2-opus4-27455}, pages = {220 -- 228}, year = {2020}, abstract = {The supply of customer-specific products is leading to the increasing technical complexity of machines and plants in the manufacturing process. In order to ensure the availability of the machines and plants, maintenance is considered as an essential key. The application of cyber-physical systems enables the complexity to be mastered by improving the availability of information, implementing predictive maintenance strategies and the provision of all relevant information in real-time. The present research project deals with the development of a cost-effective and retrofittable smart maintenance system for the application of ultraviolet (UV) lamps. UV lamps are used in a variety of applications such as curing of materials and water disinfection, where UV lamps are still used instead of UV LED due to their higher effectiveness. The smart maintenance system enables continuous condition monitoring of the UV lamp through the integration of sensors. The data obtained are compared with data from existing lifetime models of UV lamps to provide information about the remaining useful lifetime of the UV lamp. This ensures needs-based maintenance measures and more efficient use of UV lamps. Furthermore, it is important to have accurate information on the remaining useful lifetime of a UV lamp, as the unplanned breakdown of a UV lamp can have far-reaching consequences. The key element is the functional model of the envisioned cyber-physical system, describing the dependencies between the sensors and actuator, the condition monitoring system as well as the IoT platform. Based on the requirements developed and the functional model, the necessary hardware and software are selected. Finally, the system is developed and retrofitted to a simulated curing process of a 3D printer to validate its functional capability. The developed system leads to improved information availability of the condition of UV lamps, predictive maintenance measures and context-related provision of information.}, language = {en} } @article{HoegerleCharifzadehFerencz2020, author = {H{\"o}gerle, Bernadette and Charifzadeh, Michel and Ferencz, Marlene}, title = {The development of working capital management and its impact on profitability and shareholder value: evidence from Germany}, series = {Strategic management : international journal of strategic management and decision support systems in strategic management}, volume = {25}, journal = {Strategic management : international journal of strategic management and decision support systems in strategic management}, number = {2}, publisher = {University of Novi Sad, Fac. of Economics}, address = {Subotica}, issn = {1821-3448}, doi = {10.5937/StraMan2002027H}, url = {http://nbn-resolving.de/urn:nbn:de:bsz:rt2-opus4-27448}, pages = {27 -- 39}, year = {2020}, abstract = {This study investigates empirically the development of working capital management and its impact on profitability and shareholder value in Germany. We analyse panel data of 115 firms listed on the German Prime Standard, covering the period from 2011 to 2017. The results provide evidence that efficient working capital management, indicated by a shorter cash conversion cycle, deteriorated over time, but that a shorter cash conversion has a positive impact on profitability and shareholder value. The findings highlight the need that managers should give greater priority to working capital optimization, even in a low-interest environment. The paper contributes to the literature by advancing this research area in Germany, and it is the first study investigating shareholder relationship with working capital management and all its determinants.}, language = {en} } @article{ThomasKemmler2019, author = {Thomas, Bernd and Kemmler, Thomas}, title = {Praktische Untersuchungen zur Flexibilisierung einer W{\"a}rmepumpe mit Pufferspeicher mittels SG Ready und Hardware-in-the-Loop}, series = {Ingenieur-Spiegel : Fachmagazin f{\"u}r Ingenieure. - Dunkelblaue Ausgabe}, journal = {Ingenieur-Spiegel : Fachmagazin f{\"u}r Ingenieure. - Dunkelblaue Ausgabe}, number = {4}, publisher = {Public Verlagsgesellschaft und Anzeigenagentur}, address = {Bingen}, issn = {1868-5919}, pages = {45 -- 47}, year = {2019}, abstract = {Die Energiewende schreitet voran und Deutschland ist betrebt, sein Energiesystem auf eine Versorgung mit erneuerbaren Energien auszurichten. Bisher wurden insbesondere im Bereich der Stromerzeugung erhebliche Fortschritte erzielt.}, language = {de} } @inproceedings{Thomas2019, author = {Thomas, Bernd}, title = {Stromoptimierte, flexible und residuallastangepasste KWK in der elektrochemischen Beschichtungsindustrie GalvanoFlex_BW : Zwischenbericht anl{\"a}sslich des Statuskolloquiums Umweltforschung Baden-W{\"u}rttemberg 2019 am 18. und 19. M{\"a}rz 2019 in Fellbach}, publisher = {Landesanstalt f{\"u}r Umwelt Baden-W{\"u}rttemberg}, address = {Karlsruhe}, doi = {10.34645/opus-2731}, url = {http://nbn-resolving.de/urn:nbn:de:bsz:rt2-opus4-27317}, pages = {1 -- 10}, year = {2019}, abstract = {Dieser Bericht fasst die wesentlichen Arbeiten und Ergebnisse zusammen, die in dem Verbundvorhaben „GalvanoFlex_BW" im Kalenderjahr 2018 durchgef{\"u}hrt und erzielt wurden. Dazu l{\"a}sst sich zun{\"a}chst sagen, dass die Messwertaufnahme und -auswertung abgeschlossen ist. Es wurden verschiedene Messkampagnen bei der Fa. NovoPlan durchgef{\"u}hrt. Bei C\&C Bark konnte man teilweise auf bestehende Daten zur{\"u}ckgreifen, die punktuell durch weitere Messungen erg{\"a}nzt wurden. Bei der Fa. Hartchrom konnten aufgrund von Personalmangel keine Messungen durchgef{\"u}hrt werden. Die aufgenommenen Daten wurden in eine Effizienzbewertung {\"u}berf{\"u}hrt, aus der im Folgenden allgemeine Aussagen abgeleitet werden sollen. Dazu ist ein Simulationsprogramm aufgesetzt worden, das in der Lage ist, Prozessketten energetisch abzubilden und zu optimieren. Zudem sollen aus den Messdaten verbesserte Profile f{\"u}r den W{\"a}rmebedarf in den Unternehmen entwickelt werden, die daraufhin der KWK-Optimierung zur Verf{\"u}gung gestellt werden. Im Zuge der Entwicklung und Bewertung stromoptimierter KWK- Strategien ist ein bestehendes Simulationsmodell entsprechend weiterentwickelt worden. Konkret wurde das Modell um eine verbesserte Lastprognose f{\"u}r Strom und W{\"a}rme f{\"u}r Industriebetriebe erg{\"a}nzt, und das Optimierungsverfahren wurde um eine zweite Dimension erweitert. W{\"a}hrend bislang allein die Optimierung der Eigenstromdeckung mit einer Begrenzung der BHKW-Starts als Nebenbedingung m{\"o}glich war, ist jetzt die Kappung der elektrischen Lastspitze zus{\"a}tzlich in der Zielfunktion integriert. Gerade bei Industrieunternehmen l{\"a}sst sich auf diese Weise eine weitere, zum Teil nicht unerhebliche Energiekosteneinsparung erreichen, was durch die ersten Berechnungen anhand der drei im Reallabor vertretenden Betriebe best{\"a}tigt wird. Die Ergebnisse werden unter AP 8 (Umsetzung) diskutiert. Der Dialog mit weiteren Unternehmen und Institutionen außerhalb des Vorhabens konnte {\"u}ber die Branchenplattfom weitergef{\"u}hrt werden. In 2018 wurden zwei Veranstaltungen dieser Art durchgef{\"u}hrt, und im Fr{\"u}hjahr 2019 wird ein weiterer Workshop zu diesem Thema durchgef{\"u}hrt. Die sozialwissenschaftliche Begleitforschung wurde mit der zweiten Phase der Firmenbefragungen ebenfalls planm{\"a}ßig weitergef{\"u}hrt. Mit Blick auf die Umsetzung eines BHKW-Konzeptes haben sich dabei zwei wichtige Punkte wie folgt gezeigt: Zum einen muss die umsetzende Firma eine gewisse „Energieeffizienz-Reife" besitzen, die sich u.a. in der Erfahrung bei der Durchf{\"u}hrung von Energieeffizienzmaßnahmen zeigt, da die Installation eines BHKWs eine {\"a}ußerst komplexe Maßnahme darstellt. Zum anderen m{\"u}ssen andere unternehmensspezifische Kontextfaktoren hinzukommen, wie z.B. aus anderen Gr{\"u}nden durchzuf{\"u}hrende bauliche Maßnahmen, so dass gewisse zeitliche Entscheidungsfenster entstehen, in denen die Umsetzung von KWK-Maßnahmen sinnvoll sind.}, language = {de} } @inproceedings{Konecki2020, author = {Konecki, Jessica Nadine}, title = {Benutzerstudie an einer Software von Kontrastmittelinjektoren f{\"u}r CT \& MRT}, series = {Informatics inside: connect(IT) : Informatik-Konferenz der Hochschule Reutlingen ; 20. Mai 2020 : Tagungsband. - (Informatics inside ; 20)}, booktitle = {Informatics inside: connect(IT) : Informatik-Konferenz der Hochschule Reutlingen ; 20. Mai 2020 : Tagungsband. - (Informatics inside ; 20)}, editor = {Kloos, Uwe}, publisher = {Hochschule Reutlingen}, address = {Reutlingen}, isbn = {978-3-00-065431-2}, url = {http://nbn-resolving.de/urn:nbn:de:bsz:rt2-opus4-27291}, pages = {29 -- 40}, year = {2020}, abstract = {In Zusammenarbeit mit dem Medizinproduktehersteller ulrich medical wird eine User Experience und Usability Studie an der Software der im Moment eingesetzten Kontrastmittelinjektoren durchgef{\"u}hrt. Das Unternehmen m{\"o}chte eine neue Variante eines Kontrastmittelinjektors entwickeln, der als Basis eine verbesserte Version dieser Softwares enth{\"a}lt. Benutzerstudien k{\"o}nnen mit den unterschiedlichsten Methoden durchgef{\"u}hrt werden. Das geeignete Vorgehen muss definiert und die Testpersonen in Bezug zur eingesetzten Methode ermittelt werden. Bei Medizinprodukten muss zus{\"a}tzlich auf strikte Auflagen in Normen und Gesetzen geachtet werden. Die Grundlage zur Methodenauswahl bildet eine Recherche zu Usability und User Experience Vorgaben f{\"u}r Medizinprodukte. Die Studie wird anhand quantitativer Daten eines Usability Tests im Labor, Frageb{\"o}gen zur User Experience und qualitativen Post Test- Interviews evaluiert. In erster Linie dient diese Studie der Ermittlung von m{\"o}glichen Verbesserungen, welche in der darauf folgenden Masterthesis vertieft und umgesetzt werden.}, language = {de} } @inproceedings{Viertel2020, author = {Viertel, Marc}, title = {Disease detection and health monitoring through breath analysis}, series = {Informatics inside: connect(IT) : Informatik-Konferenz der Hochschule Reutlingen ; 20. Mai 2020 : Tagungsband. - (Informatics inside ; 20)}, booktitle = {Informatics inside: connect(IT) : Informatik-Konferenz der Hochschule Reutlingen ; 20. Mai 2020 : Tagungsband. - (Informatics inside ; 20)}, editor = {Kloos, Uwe}, publisher = {Hochschule Reutlingen}, address = {Reutlingen}, isbn = {978-3-00-065431-2}, url = {http://nbn-resolving.de/urn:nbn:de:bsz:rt2-opus4-27286}, pages = {21 -- 28}, year = {2020}, abstract = {The field of breath analysis has developed to be of growing interest in medical diagnosis and patient monitoring. The main advantages are that it's noninvasive, painless and repeatable in flexible cycles. Even though breath analysis is being researched for a couple of decades there are still many unanswered questions. Human breath contains volatile organic compounds which are emitted from inside the body. Some of these compounds can be assigned to specific sources, such as inflammation or cancer, but also to non health related origins. This paper gives an overview of breath analysis for the purpose of disease diagnosis and health monitoring. Therefore, literature regarding breath analysis in the medical field has been analyzed, from its early stages to the present. As a result, this paper gives an outline of the topic of breath analysis.}, language = {en} } @inproceedings{Schmidt2020, author = {Schmidt, Adrian}, title = {Haptisches Feedback in der medizinischen Robotik}, series = {Informatics inside: connect(IT) : Informatik-Konferenz der Hochschule Reutlingen ; 20. Mai 2020 : Tagungsband. - (Informatics inside ; 20)}, booktitle = {Informatics inside: connect(IT) : Informatik-Konferenz der Hochschule Reutlingen ; 20. Mai 2020 : Tagungsband. - (Informatics inside ; 20)}, editor = {Kloos, Uwe}, publisher = {Hochschule Reutlingen}, address = {Reutlingen}, isbn = {978-3-00-065431-2}, url = {http://nbn-resolving.de/urn:nbn:de:bsz:rt2-opus4-27277}, pages = {10 -- 20}, year = {2020}, abstract = {Haptisches Feedback ist nach zahlreichen Studien ein wichtiger Bestandteil in der medizinischen Robotik. Die meisten Systeme befinden sich jedoch noch im Forschungsstatus und verfolgen unterschiedliche Ans{\"a}tze. In der Teleoperation wird mit sensorlosen und Sensor-Systemen geforscht. Sensoren bieten, im Gegensatz zu den Encodern in sensorlosen Systemen, genaue Messungen, sind allerdings teuer in der Anschaffung, schwer zu desinfizieren und m{\"u}ssen in OP-Besteck integriert werden. In Hands-On Systemen f{\"u}hlt der Operateur im Gegensatz zu Teleoperationssystemen direkt die auftretenden Kr{\"a}fte bei der Benutzung. Der Roboter bietet in diesen Systemen nur die ben{\"o}tigte Stabilit{\"a}t und Genauigkeit, gesteuert werden sie direkt durch den Menschen. Dagegen werden in Teleoperationssystemen gezielte Controller eingesetzt. Hier hat sich der f{\"u}r den OP entwickelte sigma.7 durchgesetzt. Gegen{\"u}ber der f{\"u}r die Allgemeinheit entwickelten Konkurrenz bietet er haptisches Feedback in allen n{\"o}tigen Freiheitsgraden und eine entsprechende Kraftr{\"u}ckkoppelung.}, language = {de} } @inproceedings{Kraus2020, author = {Kraus, Nicolai}, title = {Computergest{\"u}tzte L{\"o}sungen f{\"u}r Herausforderungen in der Kryochirurgie}, series = {Informatics inside: connect(IT) : Informatik-Konferenz der Hochschule Reutlingen ; 20. Mai 2020 : Tagungsband. - (Informatics inside ; 20)}, booktitle = {Informatics inside: connect(IT) : Informatik-Konferenz der Hochschule Reutlingen ; 20. Mai 2020 : Tagungsband. - (Informatics inside ; 20)}, editor = {Kloos, Uwe}, publisher = {Hochschule Reutlingen}, address = {Reutlingen}, isbn = {978-3-00-065431-2}, url = {http://nbn-resolving.de/urn:nbn:de:bsz:rt2-opus4-27267}, pages = {1 -- 9}, year = {2020}, abstract = {In der Kryochirurgie wird K{\"a}lte verwendet, um tumor{\"o}ses Gewebe abzut{\"o}ten. Dazu werden Kryosonden in den Tumor gestochen und stark abgek{\"u}hlt. Hierbei gibt es verschiedene Herausforderungen, welchen computergest{\"u}tzt begegnet werden kann. Diese Arbeit gibt die Ergebnisse einer Literaturrecherche zu den Herausforderungen wieder. Die vorgestellten Arbeiten besch{\"a}ftigten sich mit der Simulation des im Tumor entstehenden Eisballs, dem korrekten Positionieren der Kryosonden im Tumor, dem {\"U}berwachen des Eingriffs sowie dem Entwickeln von Simulationen f{\"u}r Trainingszwecke. Dabei zeigt sich, dass der Einsatz von computergest{\"u}tzten L{\"o}sungen die Kryochirurgie f{\"u}r Operateur und Patient verbessern kann.}, language = {de} } @article{SchwarzRohrbeckWach2020, author = {Schwarz, Jan Oliver and Rohrbeck, Ren{\´e} and Wach, Bernhard}, title = {Corporate foresight as a microfoundation of dynamic capabilities}, series = {Futures \& foresight science}, volume = {2}, journal = {Futures \& foresight science}, number = {2}, publisher = {John Wiley \& Sons}, address = {Hoboken, NJ}, issn = {2573-5152}, doi = {10.1002/ffo2.28}, pages = {1 -- 11}, year = {2020}, abstract = {The dynamic capabilities perspective is aimed at explaining how firms achieve and sustain competitive advantages, especially in environments that become volatile, uncertain, complex, and ambiguous (VUCA). In this paper, we combine factors that explain dynamic capabilities on the firm level with factors of dynamic managerial capabilities on the individual level. In addition to the dynamic capabilities theory, we draw on corporate foresight (CF) literature to test the impact of CF training. We find that both the organizational-level practices and the individual-level training of leaders are positively associated with firm-level outcomes. We further observe that this relationship is mediated by dynamic managerial capabilities (i.e., the ability of leaders to challenge current business models, make decisions under uncertainty, and reconfigure organizational resources). Our findings emphasize the importance of training leaders and building organizational CF practices to build the dynamic capabilities needed in VUCA environments.}, language = {en} } @inproceedings{MaroltScheible2019, author = {Marolt, Daniel and Scheible, J{\"u}rgen}, title = {IC layout automation with self-organized wiring and arrangement of responsive modules (SWARM)}, series = {CDN Live : Cadence User Conference 2019, EMEA, Munich, Germany, May 6-8 : conference proceedings}, booktitle = {CDN Live : Cadence User Conference 2019, EMEA, Munich, Germany, May 6-8 : conference proceedings}, publisher = {EMEA}, address = {M{\"u}nchen}, pages = {2}, year = {2019}, abstract = {Focused on automating analog IC layout, the multi-agent-system Self-organized Wir ing and Arrangement of Responsive Modules (SWARM) combines the powers of pro-cedural generators and algorithmic optimization into a novel bottom-up meets top-down flow of supervised layout module interaction. Provoking self-organization via the effect of emergence, examples show SWARM finding even optimal placement solutions and producing constraint-compliant layout blocks which fit into a specified zone.}, language = {en} } @inproceedings{OPUS4-2722, title = {Informatics Inside: connect(IT) : Informatik-Konferenz der Hochschule Reutlingen, 20. Mai 2020 : Tagungsband}, editor = {Kloos, Uwe and Mart{\´i}nez Madrid, Natividad and Tullius, Gabriela}, publisher = {Hochschule Reutlingen}, address = {Reutlingen}, isbn = {978-3-00-065431-2}, pages = {142}, year = {2020}, abstract = {Anhaltend erlebt die K{\"u}nstliche Intelligenz (KI) eine Renaissance in vielen Branchen. Der Trend, komplexe Zusammenh{\"a}nge in Daten zu erfassen und zu nutzen, h{\"a}lt an. Hierbei ist jedoch der Grundgedanke des Maschinellen Lernens basierend auf empirischen Daten nicht neu. Es bleibt nach wie vor die Herausforderung, erst ein oft auch interdisziplin{\"a}res Verst{\"a}ndnis von komplexen Zusammenh{\"a}ngen f{\"u}r verschiedenste Anwendungs-Dom{\"a}nen zu gewinnen, um zum Beispiel KI sinnvoll zum Einsatz zu bringen. Als Besucher der Konferenz erwarten Sie Beitr{\"a}ge aus den unterschiedlichsten Bereichen. Hierzu geh{\"o}ren zum Beispiel M{\"u}digkeitserkennungssysteme im Automobil, ein Tastsinn auch f{\"u}r Roboter, aber auch neue Ans{\"a}tze zur Erzeugung und Nutzung von Virtuellen Realit{\"a}ten f{\"u}r die Erprobung des autonomen Fahrens bis hin zur Simulation von Außenboardeins{\"a}tzen in der Raumfahrt.}, language = {de} } @article{EickerWeilerSchumacheretal.2020, author = {Eicker, Ursula and Weiler, Verena and Schumacher, J{\"u}rgen and Braun, Reiner}, title = {On the design of an urban data and modeling platform and its application to urban district analyses}, series = {Energy and buildings : an international journal of research applied to energy efficiency in the built environment}, volume = {217}, journal = {Energy and buildings : an international journal of research applied to energy efficiency in the built environment}, publisher = {Elsevier}, address = {Amsterdam}, issn = {0378-7788}, doi = {10.1016/j.enbuild.2020.109954}, pages = {1 -- 19}, year = {2020}, abstract = {An integrated urban platform is the essential software infrastructure for smart, sustainable and resilitent city planning, operation and maintenance. Today such platforms are mostly designed to handle and analyze large and heterogeneous urban data sets from very different domains. Modeling and optimization functionalities are usually not part of the software concepts. However, such functionalities are considered crucial by the authors to develop transformation scenarios and to optimized smart city operation. An urban platform needs to handle multiple scales in the time and spatial domain, ranging from long term population and land use change to hourly or sub-hourly matching of renewable energy supply and urban energy demand.}, language = {en} } @incollection{KapmeierRooneyVargaStermanetal.2019, author = {Kapmeier, Florian and Rooney-Varga, Juliette and Sterman, John and Fracassi, Eduardo and Kurker, Victoria and Johnston, Ellie and Jones, Andrew and Rath, Ken}, title = {World climate : Klimawandel spielerisch verstehen - zukunftsf{\"a}hig handeln : Verhaltens{\"a}nderug durch simulationsbasiertes Rollenspiel}, series = {Vom Werden : Entwicklungsdynamik in Natur und Gesellschaft ; Perspektiven einer zukunftsoffenen Wertekultur im Dialog von Wissenschaft, Kunst und Bildung}, booktitle = {Vom Werden : Entwicklungsdynamik in Natur und Gesellschaft ; Perspektiven einer zukunftsoffenen Wertekultur im Dialog von Wissenschaft, Kunst und Bildung}, editor = {Voigt, Beatrice}, publisher = {Beatrice Voigt Kunst- und Kulturprojekt \& Edition}, address = {M{\"u}nchen}, isbn = {978-3-9816143-6-7}, pages = {178 -- 189}, year = {2019}, abstract = {Das Pariser Klimaschutzabkommen von 2015 fordert die Begrenzung der globalen Erw{\"a}rmung auf "deutlich unter" 2 Grad Celsius gegen{\"u}ber der vorindustriellen Zeit. Zwar wurde es von der internationalen Staatengemeinschaft anerkannt, jedoch reichen die national festgelegten Beitr{\"a}ge (NDCs) bisher nicht aus, um das Ziel zu erreichen. Neben der "Emissionsl{\"u}cke" besteht eine große Kluft zwischen naturwissenschaftlichem und {\"o}ffentlichem Verst{\"a}ndnis {\"u}ber den Klimawandel. W{\"a}hrend die Besorgnis {\"u}ber den Klimawandel steigt, sehen die meisten Menschen den Klimawandel nicht als ernsthafte Bedrohung f{\"u}r sich selbst und Ansichten {\"u}ber den Klimawandel sind politisch polarisiert. Konventionelle Kommunikationsans{\"a}tze haben die L{\"u}cke zwischen dem wissenschaftlichen und {\"o}ffentlichen Verst{\"a}ndnis {\"u}ber die durch den Klimawandel entstehenden Bedrohungen nicht geschlossen. Hier wird mit dem simulationsbasierten Rollenspiel World Climate ein innovativer Ansatz f{\"u}r die Klimakommunikation vorgestellt: ein soziales, einnehmendes Rollenspiel bei der Entscheidungsfindung im Klimaschutz ist mit einem interaktiven Computermodell kombiniert, das eine sofortige R{\"u}ckmeldung {\"u}ber die erwarteten Ergebnisse von Entscheidungen liefert. Die Teilnehmenden erfahren mehr {\"u}ber den Klimawandel und erleben sogleich die soziale Dynamik der Verhandlungen. In diesem Beitrag werden die Ergebnisse einer Studie {\"u}ber Auswirkungen von World Climate pr{\"a}sentiert.}, language = {de} } @incollection{Seiter2019, author = {Seiter, Stephan}, title = {Growth and integration : why we shoud re-read Friedrich List}, series = {The economic thought of Friedrich List. - (Routledge studies in the history of economics ; 16)}, booktitle = {The economic thought of Friedrich List. - (Routledge studies in the history of economics ; 16)}, editor = {Hagemann, Harald}, publisher = {Routledge, Taylor \& Francis Group}, address = {London}, isbn = {978-0-8153-7245-5}, pages = {34 -- 45}, year = {2019}, abstract = {The paper analyses the importance of List's views on growth and integration from the perspective of modern approaches to economic growth and international economics. Furthermore, some ideas will be presented on how List's ideas could help to explain and understand current economic developments, such as the crisis of the European Union or the new form of isolationism of the United States of America.}, language = {en} } @misc{OPUS4-2732, title = {The economic thought of Friedrich List. - (Routledge studies in the history of economics ; 16)}, editor = {Hagemann, Harald and Seiter, Stephan and Wendler, Eugen}, publisher = {Routledge, Taylor \& Francis Group}, address = {London}, isbn = {978-0-8153-7245-5}, pages = {256}, year = {2019}, abstract = {Friedrich List is, besides Karl Marx, one of the most important economists of the 19th century in Germany. Probably most modern economists know List for his idea of educational tariffs that protect infant industries from international competition an help them to become competitive before their country opens the domestic market for foreign rivals. Furthermore, List is still popular because of his contribution to establishing a railway system in the USA and Germany. However, a closer look at his work reveals that his ideas about the economic system could enrich the current theoretical and political debate on international trade and integration as well as economic growth.}, language = {en} } @article{SchulzKemmlerKummetal.2020, author = {Schulz, Maximilian and Kemmler, Thomas and Kumm, Julia and Hufendiek, Kai and Thomas, Bernd}, title = {A more realistic heat pump control approach by application of an integrated two-part control}, series = {Energies : open-access journal of related scientific research, technology development and studies in policy and management}, volume = {13}, journal = {Energies : open-access journal of related scientific research, technology development and studies in policy and management}, number = {11, Aufsatz 2752}, publisher = {MDPI}, address = {Basel}, issn = {1996-1073}, doi = {10.3390/en13112752}, url = {http://nbn-resolving.de/urn:nbn:de:bsz:rt2-opus4-27170}, pages = {1 -- 22}, year = {2020}, abstract = {Heat pumps are a vital element for reaching the greenhouse gas (GHG) reduction targets in the heating sector, but their system integration requires smart control approaches. In this paper, we first offer a comprehensive literature review and definition of the term control for the described context. Additionally, we present a control approach, which consists of an optimal scheduling module coupled with a detailed energy system simulation module. The aim of this integrated two part control approach is to improve the performance of an energy system equipped with a heat pump, while recognizing the technical boundaries of the energy system in full detail. By applying this control to a typical family household situation, we illustrate that this integrated approach results in a more realistic heat pump operation and thus a more realistic assessment of the control performance, while still achieving lower operational costs.}, language = {en} } @article{ScheibleMaroltSchweikardtetal.2019, author = {Scheible, J{\"u}rgen and Marolt, Daniel and Schweikardt, Matthias and Habal, Husni}, title = {Automatisierung des Entwurfs analoger ICs - Teil 2. Optimiert ist nicht immer optimal}, series = {Elwis : ihre Elektronik-Wissensdatenbank}, volume = {2019}, journal = {Elwis : ihre Elektronik-Wissensdatenbank}, number = {23.07.2019}, publisher = {WEKA Fachzeitschr.-Verl.}, address = {Poing}, pages = {1 -- 2}, year = {2019}, abstract = {Angesichts der Herausforderungen beim Design analoger und hybrider ICs wurden zwei neuartige Entwurfsverfahren - EDP und SWARM - an der Hochschule Reutlingen entwickelt. Sie erlauben eine signifikante Steigerung der Entwurfsproduktivit{\"a}t.}, language = {de} } @inproceedings{Brodbeck2019, author = {Brodbeck, Tanja}, title = {Anforderungen an ein Gamification- Konzept zur Motivationssteigerung der Anwender eines KI-Service zur Maschinenoptimierung}, series = {Informatics inside : experience (IT) : Informatik-Konferenz an der Hochschule Reutlingen, 8. Mai 2019. - (Informatics inside ; 19)}, booktitle = {Informatics inside : experience (IT) : Informatik-Konferenz an der Hochschule Reutlingen, 8. Mai 2019. - (Informatics inside ; 19)}, editor = {Kloos, Uwe}, publisher = {Hochschule Reutlingen}, address = {Reutlingen}, url = {http://nbn-resolving.de/urn:nbn:de:bsz:rt2-opus4-27150}, pages = {21 -- 30}, year = {2019}, abstract = {In Folge der gegenw{\"a}rtigen Digitalisierung in der produzierenden Industrie werden Anwendungen oder Services mit potentiell positiven Auswirkungen auf Faktoren wie Effektivit{\"a}t und Arbeitsqualit{\"a}t entwickelt. Ein geeigneter Ansatz zur St{\"a}rkung motivierender Aspekte im Arbeitskontext kann Gamification darstellen. In dieser Arbeit ist die initiale Konzeption und Evaluation eines Gamification-Ansatzes f{\"u}r Anwender eines KI-Service zur Maschinenoptimierung dargestellt und m{\"o}glichen Anforderungen an ein Konzept zur Motivationssteigerung extrahiert.}, language = {de} } @inproceedings{Hennige2019, author = {Hennige, Julian}, title = {Zeitliche Vorhersage von Erdbeben durch Klassifikation mittels Convolutional Neural Networks}, series = {Informatics inside : experience (IT) : Informatik-Konferenz an der Hochschule Reutlingen, 8. Mai 2019. - (Informatics inside ; 19)}, booktitle = {Informatics inside : experience (IT) : Informatik-Konferenz an der Hochschule Reutlingen, 8. Mai 2019. - (Informatics inside ; 19)}, editor = {Kloos, Uwe}, publisher = {Hochschule Reutlingen}, address = {Reutlingen}, url = {http://nbn-resolving.de/urn:nbn:de:bsz:rt2-opus4-27147}, pages = {11 -- 20}, year = {2019}, abstract = {In dieser Ausarbeitung wird eine zeitliche Vorhersage von Erdbeben getroffen. Hierf{\"u}r werden mit einem Datensatz aus Labor-Erdbeben Convolutional Neural Networks (CNN) trainiert. Die trainierten Netzwerke geben Vorhersagen, indem sie einen Input an seismischen Daten klassifizieren. Durch das Klassifizieren kann das CNN die zeitliche Entfernung zum n{\"a}chsten Erdbeben vorhersagen. Es werden hierf{\"u}r zwei Ans{\"a}tze miteinander verglichen. Beim ersten Ansatz werden die Originaldaten in ein CNN gegeben. Beim zweiten Ansatz wird vor dem CNN eine Vorverarbeitung der Daten mit den Mel Frequency Cepstral Coefficients (MFCC) durchgef{\"u}hrt. Es zeigt sich, dass mit beiden Ans{\"a}tzen eine gute Klassifikation m{\"o}glich ist. Die Kombination aus MFCC und CNN liefert die besseren quantitativen Ergebnisse. Hierbei konnte eine Genauigkeit von 65 \% erreicht werden.}, language = {de} } @inproceedings{Cybinski2019, author = {Cybinski, Steven}, title = {Semi-automated image data labelling using AprilTags as a pre-processing step for machine learning}, series = {Informatics inside : experience (IT) : Informatik-Konferenz an der Hochschule Reutlingen, 8. Mai 2019. - (Informatics inside ; 19)}, booktitle = {Informatics inside : experience (IT) : Informatik-Konferenz an der Hochschule Reutlingen, 8. Mai 2019. - (Informatics inside ; 19)}, editor = {Kloos, Uwe}, publisher = {Hochschule Reutlingen, INF - Informatik}, address = {Reutlingen}, url = {http://nbn-resolving.de/urn:nbn:de:bsz:rt2-opus4-27139}, pages = {1 -- 10}, year = {2019}, abstract = {Data labelling is a pre-processing step to prepare data for machine learning. There are many ways to collect and prepare this data, but these are usually associated with a greater effort. This paper presents an approach to semi-automated image data labelling using AprilTags. The AprilTags attached to the object, which contain a unique ID, make it possible to link the object surfaces to a particular class. This approach will be implemented and used to label data of a stackable box. The data is evaluated by training a You Only Look Once (YOLO) net, with a subsequent evaluation of the detection results. These results show that the semi-automatically collected and labelled data can certainly be used for machine learning. However, if concise features of an object surface are covered by the AprilTag, there is a risk that the concerned class will not be recognized. It can be assumed that the labelled data can not only be used for YOLO, but also for other machine learning approaches.}, language = {en} } @misc{OPUS4-2711, title = {Informatics Inside : experience(IT)}, editor = {Kloos, Uwe and Mart{\´i}nez Madrid, Natividad and Tullius, Gabriela}, publisher = {Hochschule Reutlingen}, address = {Reutlingen}, pages = {30}, year = {2019}, abstract = {Bereits zum elften Mal findet nun die Studierendenkonferenz Informatics Inside statt. Als Teil des Masterstudiengangs Human-Centered Computing organisieren Masterstudierende selbst{\"a}ndig eine vollumf{\"a}ngliche wissenschaftliche Konferenz. Die Informatik ist nach wie vor st{\"a}ndigem Wandel unterworfen. Unsere Studierenden tragen diesem Wandel bei, indem sie in ihrer wissenschaftllichen Vertiefung aktuelle Problemstellungen durch innovative Konzepte l{\"o}sen. Inzwischen ist die Informatik aber auch nicht immer sofort sichtbar. Das merken wir immer dann, wenn etwas nicht wie vorgesehen funktioniert. Das diesj{\"a}hrige Motto der Informatics Inside ist experience (IT), verdeckt als Funktionsaufruf:).}, language = {de} } @article{DrieschnerOstertagBoldrinietal.2020, author = {Drieschner, Tobias and Ostertag, Edwin and Boldrini, Barbara and Lorenz, Anita and Brecht, Marc and Rebner, Karsten}, title = {Direct optical detection of cell density and viability of mammalian cells by means of UV/VIS spectroscopy}, series = {Analytical and bioanalytical chemistry : a merger of Fresenius' journal of analytical chemistry and Analusis}, volume = {412}, journal = {Analytical and bioanalytical chemistry : a merger of Fresenius' journal of analytical chemistry and Analusis}, number = {14}, publisher = {Springer}, address = {Berlin ; Heidelberg}, issn = {1618-2642}, doi = {10.1007/s00216-019-02322-y}, pages = {3359 -- 3371}, year = {2020}, abstract = {The critical process parameters cell density and viability during mammalian cell cultivation are assessed by UV/VIS spectroscopy in combination with multivariate data analytical methods. This direct optical detection technique uses a commercial optical probe to acquire spectra in a label-free way without signal enhancement. For the cultivation, an inverse cultivation protocol is applied, which simulates the exponential growth phase by exponentially replacing cells and metabolites of a growing Chinese hamster ovary cell batch with fresh medium. For the simulation of the death phase, a batch of growing cells is progressively replaced by a batch with completely starved cells. Thus, the most important parts of an industrial batch cultivation are easily imitated. The cell viability was determined by the well-established method partial least squares regression (PLS). To further improve process knowledge, the viability has been determined from the spectra based on a multivariate curve resolution (MCR) model. With this approach, the progress of the cultivations can be continuously monitored solely based on an UV/VIS sensor. Thus, the monitoring of critical process parameters is possible inline within a mammalian cell cultivation process, especially the viable cell density. In addition, the beginning of cell death can be detected by this method which allows us to determine the cell viability with acceptable error. The combination of inline UV/VIS spectroscopy with multivariate curve resolution generates additional process knowledge complementary to PLS and is considered a suitable process analytical tool for monitoring industrial cultivation processes.}, language = {en} } @incollection{TrajkovSchwarz2020, author = {Trajkov, Tea and Schwarz, Jan Oliver}, title = {Resale meets Retail : wie Luxusmode aus zweiter Hand strategische Potenziale f{\"u}r die Modebranche freisetzt}, series = {New fashion business. - (Creative management thinking ; 3)}, booktitle = {New fashion business. - (Creative management thinking ; 3)}, editor = {Schwarz, Jan Oliver}, publisher = {Hochschule Fresenius ; Akademie Mode \& Design}, address = {M{\"u}nchen}, isbn = {978-3-00-063386-7}, doi = {10.34645/opus-2710}, url = {http://nbn-resolving.de/urn:nbn:de:bsz:rt2-opus4-27101}, pages = {89 -- 123}, year = {2020}, abstract = {Der Erfolg des Resales in der Modebranche wird vor allem durch das starke Wachstum verdeutlicht, denn im Vergleich zum Retail wuchs dieser im vergangenen Jahr 24 Mal schneller. Eine aktuell aufstrebende Form des Verkaufs, Resale, bezeichnet den Prozess, den Produkte durchlaufen, wenn diese ein zweites Mal verkauft, das heißt aus zweiter Hand wiederverkauft werden. Retail hingegen beschreibt den traditionellen Verkauf von Produkten {\"u}ber den (station{\"a}ren) Einzelhandel. Es kehren also immer mehr Produkte, welche bereits im Besitz eines anderen gewesen sind, in den Handel zur{\"u}ck und stehen erneut zum Verkauf bereit. Womit diese Aufw{\"a}rtsentwicklung in der Modebranche ermittelt werden kann und inwiefern der Resale auf den Retail trifft, wird im Folgenden beschrieben.}, language = {de} } @incollection{KahrmannSchwarz2020, author = {Kahrmann, Julia and Schwarz, Jan Oliver}, title = {Erfolgsfaktor Shared Value? Darstellung und Anwendung eines nachhaltigen Prinzips am Fallbeispiel H \& M}, series = {New fashion business. - (Creative management thinking ; 3)}, booktitle = {New fashion business. - (Creative management thinking ; 3)}, editor = {Schwarz, Jan Oliver}, publisher = {Hochschule Fresenius ; Akademie Mode \& Design}, address = {M{\"u}nchen}, isbn = {978-3-00-063386-7}, doi = {10.34645/opus-2709}, url = {http://nbn-resolving.de/urn:nbn:de:bsz:rt2-opus4-27099}, pages = {59 -- 88}, year = {2020}, abstract = {„The fashion industry fundamentally operates in an unsustainable way and cannot carry on business as usual." Diese Aussage der Organisation Fashion Revolution entstand nach dem Fabrikeinsturz am 24. April 2013 in Rana Plaza, Bangladesch. Dabei kamen 1.130 Menschen ums Leben und 2.500 weitere trugen Verletzungen davon (Fashion Revolution 2015, S. 4). Das Ungl{\"u}ck veranschaulichte - vor allem f{\"u}r Verbraucher - zum ersten Mal die grundlegenden Probleme der Modeindustrie, die schon lange vorherrschten. Es scheint eine Art Eskalation eines immer schneller agierenden Systems zu sein und kann als Indikator f{\"u}r die daraus resultierenden Probleme, wie in diesem Fall unsichere Arbeitsbedingungen oder unfaire Verg{\"u}tung, verstanden werden.}, language = {de} } @incollection{KlementzSchwarz2020, author = {Klementz, Louisa and Schwarz, Jan Oliver}, title = {Die Zukunft der Mode : eine Szenario-Analyse}, series = {New fashion business. - (Creative management thinking ; 3)}, booktitle = {New fashion business. - (Creative management thinking ; 3)}, editor = {Schwarz, Jan Oliver}, publisher = {Hochschule Fresenius ; Akademie Mode \& Design}, address = {M{\"u}nchen}, isbn = {978-3-00-063386-7}, doi = {10.34645/opus-2708}, url = {http://nbn-resolving.de/urn:nbn:de:bsz:rt2-opus4-27085}, pages = {29 -- 58}, year = {2020}, abstract = {In diesem Artikel soll die Frage behandelt werden, wie sich die Modebranche in Deutschland in den n{\"a}chsten zehn Jahren entwickeln k{\"o}nnte und welchen Herausforderungen sie sich stellen muss. Zur Beantwortung dieser Frage wird eine Szenario-Analyse durchgef{\"u}hrt. Dabei werden verschiedene Zukunftsszenarien erstellt, die potentielle Entwicklungen innerhalb der Modebranche aufzeigen. Die Szenarien basieren auf einer vorangestellten Trend- und Unsicherheitsanalyse und lassen unterschiedlichste, teilweise auch zun{\"a}chst sehr unrealistisch erscheinende Entwicklungen zu und beschreiben einen m{\"o}glichen Zukunftszustand und den Weg dorthin.}, language = {de} } @incollection{FeixSchwarz2020, author = {Feix, Elisa and Schwarz, Jan Oliver}, title = {Agilit{\"a}t als Katalysator f{\"u}r innovative Anpassungsf{\"a}higkeit}, series = {New fashion business. - (Creative management thinking ; 3)}, booktitle = {New fashion business. - (Creative management thinking ; 3)}, editor = {Schwarz, Jan Oliver}, publisher = {Hochschule Fresenius ; Akademie Mode \& Design}, address = {M{\"u}nchen}, isbn = {978-3-00-063386-7}, doi = {10.34645/opus-2707}, url = {http://nbn-resolving.de/urn:nbn:de:bsz:rt2-opus4-27074}, pages = {12 -- 28}, year = {2020}, abstract = {Unternehmen, die restriktiv keinerlei Adaptionen innerhalb der Strukturen vornehmen, k{\"o}nnen angesichts der versch{\"a}rften Wettbewerbssituation im tagt{\"a}glichen Business nicht bestehen. Warum Agilit{\"a}t ein geeignetes Tool f{\"u}r die Umsetzung einer innovativen Anpassung beschreibt und in zukunftsorientierten Unternehmen als Katalysator agiert, soll in diesem Artikel n{\"a}her erl{\"a}utert werden.}, language = {de} } @misc{OPUS4-2706, title = {New fashion business. - (Creative management thinking ; 3)}, editor = {Klug, Katharina and Mattes, Marcus and Schwarz, Jan Oliver}, publisher = {Hochschule Fresenius ; Akademie Mode \& Design}, address = {M{\"u}nchen}, isbn = {978-3-00-063386-7}, doi = {10.34645/opus-2706}, url = {http://nbn-resolving.de/urn:nbn:de:bsz:rt2-opus4-27063}, pages = {202}, year = {2020}, abstract = {Immer deutlicher zeigt sich, dass die Modeindustrie nicht nur vor enormen Herausforderungen steht, sondern dass hiermit auch enorme Umbr{\"u}che einhergehen. Vor diesem Hintergrund interessiert uns nicht nur die Frage, was diese Herausforderungen sind, sondern auch, wie sie die Modeindustrie ver{\"a}ndern. Unter dem Titel New fashion business wollen wir in diesem Band verstehen, welche Ver{\"a}nderungen bedeutsam sind und wie Unternehmen bereits darauf reagieren bzw. wie sie reagieren k{\"o}nnten.}, language = {de} } @inproceedings{ZoungranaChehriZimmermann2020, author = {Zoungrana, Wend-Benedo and Chehri, Abdellah and Zimmermann, Alfred}, title = {Automatic classification of rotating machinery defects using Machine Learning (ML) algorithms}, series = {Human centred intelligent systems : proceedings of KES-HCIS 2020 Conference. - (Smart innovation, systems and technology ; 189)}, booktitle = {Human centred intelligent systems : proceedings of KES-HCIS 2020 Conference. - (Smart innovation, systems and technology ; 189)}, editor = {Zimmermann, Alfred}, publisher = {Springer}, address = {Singapore}, isbn = {978-981-15-5783-5}, pages = {193 -- 203}, year = {2020}, abstract = {Electric machines and motors have been the subject of enormous development. New concepts in design and control allow expanding their applications in different fields. The vast amount of data have been collected almost in any domain of interest. They can be static; that is to say, they represent real-world processes at a fixed point of time. Vibration analysis and vibration monitoring, including how to detect and monitor anomalies in vibration data are widely used techniques for predictive maintenance in high-speed rotating machines. However, accurately identifying the presence of a bearing fault can be challenging in practice, especially when the failure is still at its incipient stage, and the signal-to-noise ratio of the monitored signal is small. The main objective of this work is to design a system that will analyze the vibration signals of a rotating machine, based on recorded data from sensors, in the time/frequency domain. As a consequence of such substantial interest, there has been a dramatic increase of interest in applying Machine Learning (ML) algorithms to this task. An ML system will be used to classify and detect abnormal behavior and recognize the different levels of machine operation modes. The proposed solution can be deployed as predictive maintenance for Industry 4.0.}, language = {en} } @inproceedings{ChehriZimmermann2020, author = {Chehri, Abdellah and Zimmermann, Alfred}, title = {Spectrum management of power line communications networks for industrial applications}, series = {Human centred intelligent systems : proceedings of KES-HCIS 2020 Conference. - (Smart innovation, systems and technology ; 189)}, booktitle = {Human centred intelligent systems : proceedings of KES-HCIS 2020 Conference. - (Smart innovation, systems and technology ; 189)}, editor = {Zimmermann, Alfred}, publisher = {Springer}, address = {Singapore}, isbn = {978-981-15-5783-5}, pages = {173 -- 182}, year = {2020}, abstract = {Power line communications (PLC) reuse the existing power-grid infrastructure for the transmission of data signals. As power line the communication technology does not require a dedicated network setup, it can be used to connect a multitude of sensors and Internet of Things (IoT) devices. Those IoT devices could be deployed in homes, streets, or industrial environments for sensing and to control related applications. The key challenge faced by future IoT-oriented narrowband PLC networks is to provide a high quality of service (QoS). In fact, the power line channel has been traditionally considered too hostile. Combined with the fact that spectrum is a scarce resource and interference from other users, this requirement calls for means to increase spectral efficiency radically and to improve link reliability. However, the research activities carried out in the last decade have shown that it is a suitable technology for a large number of applications. Motivated by the relevant impact of PLC on IoT, this paper proposed a cooperative spectrum allocation in IoT-oriented narrowband PLC networks using an iterative water-filling algorithm.}, language = {en} } @inproceedings{ZimmermannSchmidtSandkuhletal.2020, author = {Zimmermann, Alfred and Schmidt, Rainer and Sandkuhl, Kurt and Masuda, Yoshimasa}, title = {Architecting intelligent digital systems and services}, series = {Human centred intelligent systems : proceedings of KES-HCIS 2020 Conference. - (Smart innovation, systems and technology ; 189)}, booktitle = {Human centred intelligent systems : proceedings of KES-HCIS 2020 Conference. - (Smart innovation, systems and technology ; 189)}, editor = {Zimmermann, Alfred}, publisher = {Springer}, address = {Singapore}, isbn = {978-981-15-5783-5}, pages = {127 -- 137}, year = {2020}, abstract = {Our paper gives first answers on a fundamental question: how can the design of architectures of intelligent digital systems and services be accomplished methodologically? Intelligent systems and services are the goals of many current digitalization efforts today and part of massive digital transformation efforts based on digital technologies. Digital systems and services are the foundation of digital platforms and ecosystems. Digtalization disrupts existing businesses, technologies, and economies and promotes the architecture of open environments. This has a strong impact on new value-added opportunities and the development of intelligent digital systems and services. Digital technologies such as artificial intelligence, the Internet of Things, services computing, cloud computing, big data with analytics, mobile systems, and social enterprise networks systems are important enablers of digitalization. The current publication presents our research on the architecture of intelligent digital ecosystems and products and services influenced by the service-dominant logic. We present original methodological extensions and a new reference model for digital architectures with an integral service and value perspective to model intelligent systems and services that effectively align digital strategies and architectures with artificial intelligence as main elements to support intelligent digitalization.}, language = {en} } @book{OPUS4-2718, title = {Human centred intelligent systems : proceedings of KES-HCIS 2020 Conference. - (Smart innovation, systems and technology ; 189)}, editor = {Zimmermann, Alfred}, publisher = {Springer}, address = {Singapore}, isbn = {978-981-15-5783-5}, pages = {450}, year = {2020}, abstract = {his book highlights new trends and challenges in intelligent systems, which play an important part in the digital transformation of many areas of science and practice. It includes papers offering a deeper understanding of the human-centred perspective on artificial intelligence, of intelligent value co-creation, ethics, value-oriented digital models, transparency, and intelligent digital architectures and engineering to support digital services and intelligent systems, the transformation of structures in digital businesses and intelligent systems based on human practices, as well as the study of interaction and the co-adaptation of humans and systems. All papers were originally presented at the International KES Conference on Human Centred Intelligent Systems 2020 (KES HCIS 2020), held on June 17-19, 2020, in Split, Croatia.}, language = {en} } @inproceedings{KemmlerThomas2020, author = {Kemmler, Thomas and Thomas, Bernd}, title = {Simulation von W{\"a}rmepumpensystemen auf der Grundlage von Korrelationsfunktionen f{\"u}r die Leistungsdaten der W{\"a}rmepumpe}, series = {16. Symposium Energieinnovation 2020}, booktitle = {16. Symposium Energieinnovation 2020}, publisher = {Technische Universit{\"a}t Graz}, address = {Graz, {\"O}sterreich}, url = {http://nbn-resolving.de/urn:nbn:de:bsz:rt2-opus4-26966}, pages = {1 -- 12}, year = {2020}, abstract = {Bis zum Jahr 2050 soll in Baden W{\"u}rttemberg mit dem Ziel „50-80-90" der Energiebedarf um 50\% reduziert werden, die erneuerbaren Energien sollen zu 80\% an der Energieversorgung beteiligt sein und die Emissionen von Treibhausgasen um 90\% sinken.Entsprechende Ziele sind f{\"u}r andere Regionen und L{\"a}nder in {\"a}hnlicher Weise festgelegt. Damit diese Ziele erreicht werden, muss bei der Geb{\"a}udew{\"a}rmeversorgung ein konsequenter Umbau stattfinden. Hier spielt die Sektorenkopplung mit Hilfe von W{\"a}rmepumpen (WP) eine entscheidende Rolle. Zur Absch{\"a}tzung des Potenzials sowie des Aufwandes f{\"u}r einen großfl{\"a}chigen Einsatz von W{\"a}rmepumpen ist es unm{\"o}glich, eine spezifische und angepasste Dimensionierung der W{\"a}rmepumpensysteme f{\"u}r jedes einzelne Geb{\"a}ude durchzuf{\"u}hren. Stattdessen m{\"u}ssen auf Seiten der Bebauung Referenzgeb{\"a}ude definiert und auf Seiten der W{\"a}rmepumpensysteme mittlere Leistungsdaten der am Markt befindlichen Modelle verwendet werden. W{\"a}hrend die Festlegung von Referenzgeb{\"a}uden verschiedentlich in der Literatur zu finden ist, widmet sich der erste Teil der Ver{\"o}ffentlichung der Vorstellung von Korrelationsfunktionen f{\"u}r die thermische und elektrische Leistung sowie die Leistungszahl (COP) von W{\"a}rmepumpen, die auf Basis von Herstellerdaten in Abh{\"a}ngigkeit der Quellen- und Vorlauftemperatur ermittelt wurden. Konkret wurden als Ausgangsbasis f{\"u}r die Korrelationsfunktionen Datenbl{\"a}tter verschiedener Sole- und Luft-Wasser W{\"a}rmepumpen (SWP, LWP) zusammengestellt und ausgewertet. Die Grundlage hierf{\"u}r war die Liste „W{\"a}rmepumpen mit Pr{\"u}fnachweis eines unabh{\"a}ngigen Pr{\"u}finstituts" des Bundesamts f{\"u}r Wirtschaft und Ausfuhrkontrolle (BAFA).}, language = {de} } @article{KemmlerThomas2020, author = {Kemmler, Thomas and Thomas, Bernd}, title = {Design of heat-pump systems for single- and multi-family houses using a heuristic scheduling for the optimization of PV self-consumption}, series = {Energies : open-access journal of related scientific research, technology development and studies in policy and management}, volume = {13}, journal = {Energies : open-access journal of related scientific research, technology development and studies in policy and management}, number = {5}, publisher = {MDPI}, address = {Basel}, issn = {1996-1073}, doi = {10.3390/en13051118}, url = {http://nbn-resolving.de/urn:nbn:de:bsz:rt2-opus4-26958}, pages = {1 -- 18}, year = {2020}, abstract = {Heat pumps in combination with a photovoltaic system are a very promising option for the transformation of the energy system. By using such a system for coupling the electricity and heat sectors, buildings can be heated sustainably and with low greenhouse gas emissions. This paper reveals a method for dimensioning a suitable system of heat pump and photovoltaics (PV) for residential buildings in order to achieve a high level of (photovoltaic) PV self-consumption. This is accomplished by utilizing a thermal energy storage (TES) for shifting the operation of the heat pump to times of high PV power production by an intelligent control algorithm, which yields a high portion of PV power directly utilized by the heat pump. In order to cover the existing set of building infrastructure, 4 reference buildings with different years of construction are introduced for both single- and multi-family residential buildings. By this means, older buildings with radiator heating as well as new buildings with floor heating systems are included. The simulations for evaluating the performance of a heat pump/PV system controlled by the novel algorithm for each type of building were carried out in MATLAB-Simulink® 2017a. The results show that 25.3\% up to 41.0\% of the buildings' electricity consumption including the heat pump can be covered directly from the PV installation per year. Evidently, the characteristics of the heating system significantly influence the results: new buildings with floor heating and low supply temperatures yield a higher level of PV self-consumption due to a higher efficiency of the heat pump compared to buildings with radiator heating and higher supply temperatures. In addition, the effect of adding a battery to the system was studied for two building types. It will be shown that the degree of PV self-consumption increases in case a battery is present. However, due to the high investment costs of batteries, they do not pay off within a reasonable period.}, language = {en} } @inproceedings{DiemBraunLouw2020, author = {Diem, Michael and Braun, Anja and Louw, Louis}, title = {Implementation of machine learning to improve the decision-making process of end-of-usage products in the circular economy}, series = {Proceedings of the 1st Conference on Production Systems and Logistics (CPSL 2020) : Stellenbosch, South Africa, 17. - 20. March 2020}, booktitle = {Proceedings of the 1st Conference on Production Systems and Logistics (CPSL 2020) : Stellenbosch, South Africa, 17. - 20. March 2020}, editor = {Nyhuis, Peter}, publisher = {Institutionelles Repositorium der Leibniz Univ.}, address = {Hannover}, doi = {10.15488/9660}, url = {http://nbn-resolving.de/urn:nbn:de:bsz:rt2-opus4-26949}, pages = {188 -- 197}, year = {2020}, abstract = {Rising consumption due to a growing world population and increasing prosperity, combined with a linear economic system have led to a sharp increase in garbage collection, general pollution of the environment and the threat of resource scarcity. At the same time, the perception of environmental protection becomes more sensitive as the consequences of neglecting sustainable business and eco-efficiency become more visible. The Circular Economy (CE) could reduce waste production and is able to decouple economic growth from resource consumption, but most of the products currently in use are not designed for the reuse-forms of the CE. In addition, the decision-making process of the End of-Usage (EoU) products regarding the following steps has further weaknesses in terms of economic attractiveness for the participants, which leads to low return rates and thus the disposal is often the only alternative. This paper proposes a model of the decision-making process, which uses machine learning. For this purpose, a Machine Learning (ML) classification is created, by applying the waterfall model. An artificial neural network (ANN) uses information about the model, use phase and the obvious symptoms of the product to predict the condition of individual components. The resulting information can be used in a downstream economic and ecological evaluation to assess the possible next steps. To test this process comprehensive training data is simulated to train the ANN. The decentralized implementation, cost savings and the possibility of an incentive system for the return of an end-of-usage product could lead to increased return rates. Since electronic devices in particular are attractive for the CE, laptops are the reference object of this work. However, the obtained findings are easily applicable to other electronic devices.}, language = {en} } @incollection{RogowskiSchuetz2020, author = {Rogowski, Wolf and Sch{\"u}tz, Tobias}, title = {Service Blueprinting}, series = {Management im Gesundheitswesen : Fallstudien, Aufgaben und L{\"o}sungen}, booktitle = {Management im Gesundheitswesen : Fallstudien, Aufgaben und L{\"o}sungen}, editor = {Rogowski, Wolf}, publisher = {Springer Gabler}, address = {Wiesbaden}, isbn = {978-3-658-26982-1}, doi = {10.1007/978-3-658-26982-1_8}, pages = {93 -- 106}, year = {2020}, abstract = {Ein Ansatz des Dienstleistungsmanagements, mit dessen Hilfe Gesundheitsleistungen ganz aus Perspektive der behandelten Person und ihrer Customer Journey durch den Leistungsprozess analysiert werden kann, ist das sogenannte Service Blueprinting. Die vorliegende Fallstudie beginnt mit einer kurzen Einf{\"u}hrung zur Begr{\"u}ndung und zum Vorgehen dieses Ansatzes. Im Anschluss wird der Ansatz anhand der holprigen Customer Journey des imagin{\"a}ren Patienten Torben Schulz im Rahmen einer Bandscheiben-Operation kritisch diskutiert und auf einen Teilaspekt dieser Dienstleistung angewendet.}, language = {de} } @article{SchmaehSchreiberFreseetal.2020, author = {Schm{\"a}h, Marco and Schreiber, Peter and Frese, Patrick and Reinhard, Moritz and Weidemann, Christina}, title = {Nachholbedarf bei der Kundenorientierung}, series = {Sales excellence : Zeitschrift f{\"u}r Handelsvermittlung und Vertriebsmanagement}, volume = {29}, journal = {Sales excellence : Zeitschrift f{\"u}r Handelsvermittlung und Vertriebsmanagement}, number = {3}, publisher = {Springer Gabler}, address = {Wiesbaden}, issn = {2522-5960}, pages = {44 -- 47}, year = {2020}, abstract = {Die klassischen Vertriebsaufgaben ver{\"a}ndern sich intensiv und schnell. Vertriebsmanager ben{\"o}tigen dringend neue strategische Ans{\"a}tze, wie sie k{\"u}nftig Kundenkontakte gestalten, Distributionskan{\"a}le steuern und effektiver verkaufen k{\"o}nnen. Eine aktuelle Studie gibt Aufschluss, wie sich Unternehmen auf den Strukturwandel einstellen k{\"o}nnen.}, language = {de} } @article{FraunbergSchmaeh2020, author = {Fraunberg, Anja von and Schm{\"a}h, Marco}, title = {Faszination Flughafen}, series = {Marke 41 : das neue Journal f{\"u}r Marketing}, journal = {Marke 41 : das neue Journal f{\"u}r Marketing}, number = {1}, publisher = {MIM, Marken-Institut M{\"u}nchen}, address = {M{\"u}nchen}, issn = {1866-5438}, url = {http://nbn-resolving.de/urn:nbn:de:bsz:rt2-opus4-26808}, pages = {8 -- 13}, year = {2020}, abstract = {Der Mikrokosmos Flughafen bietet eine spannende und qualitativ hochwertige Plattform f{\"u}r aufmerksamkeitsstarke Werbeauftritte. Neben den attraktiven Zielgruppen punkten die Airports dabei von der einzigartigen Atmosph{\"a}re, die auf vielfache Weise auf die Kommunikation abstrahlt.}, language = {de} } @article{LehnertSchilling2020, author = {Lehnert, Ralph and Schilling, Richard}, title = {Accuracy of molar solubility prediction from Hansen parameters : an exemplified treatment of the bioantioxidant l-ascorbic acid}, series = {Applied sciences}, volume = {10}, journal = {Applied sciences}, number = {12}, publisher = {MDPI}, address = {Basel}, issn = {2076-3417}, doi = {10.3390/app10124266}, url = {http://nbn-resolving.de/urn:nbn:de:bsz:rt2-opus4-27021}, pages = {1 -- 11}, year = {2020}, abstract = {Estimating molar solubility from the Hildebrand-Scott relation employing Hansen solubility parameters (HSP) is widely presumed a valid semi quantitative approach. To test this presumption and to determine quantitatively the inherent accuracy of such a solubility prognosis, l-ascorbic acid (LAA) was treated as an example of a commercially important solute. Analytical calculus and Monte Carlo (MC) simulation were performed for 20 common solvents with total HSP ranging from 14.5 to 33.0 (MPa)0.5 utilizing validated material data. It was found that, due to the uncertainty of the material data used in the calculations, the solubility prediction had a large scattering and, thus, a low precision.}, language = {en} } @techreport{TremmlLoebbe2020, author = {Tremml, Timo and L{\"o}bbe, Sabine}, title = {F{\"u}hrung und Unternehmertum in kommunalen Energieversorgungsunternehmen : eine Untersuchung in und mit der Energiewirtschaft}, publisher = {Hochschule Reutlingen}, address = {Reutlingen}, doi = {10.34645/opus-2701}, url = {http://nbn-resolving.de/urn:nbn:de:bsz:rt2-opus4-27011}, pages = {26}, year = {2020}, abstract = {Der Anspruch an Energieversorger wird wachsen. In Zukunft gewinnen Aufgaben wie die Entwicklung digitalisierter Produkte und Dienstleistungen sowie {\"o}kologische Aktivit{\"a}ten an Bedeutung. Dies zeigt die vorliegende Studie unter Aufsichtsr{\"a}ten, Gesch{\"a}ftsf{\"u}hrern und F{\"u}hrungskr{\"a}ften in der Energiewirtschaft. Trotz der erwarteten Ver{\"a}nderungen: Die Aufsichtsr{\"a}te sind sich zwar ihrem Druck zu mehr Professionalit{\"a}t bewusst, scheinen aktuell aber nur m{\"a}ßig f{\"u}r die k{\"u}nftigen Herausforderungen des Unternehmens ger{\"u}stet zu sein. Besonders relevant dabei: Die Professionalisierung der Gremienarbeit in kommunalen EVU erm{\"o}glicht einen h{\"o}heren wahrgenommenen Unternehmenserfolg. Aus Systemsicht bedarf es hierzu auch eines wirkungsvollen Zielsystems f{\"u}r das Unternehmen und hoher F{\"u}hrungswirksamkeit der Gesch{\"a}ftsf{\"u}hrung, z. B. also der klaren Kommunikation der Unternehmensstrategie. Weiterhin sind m{\"o}gliche Wahrnehmungsunterschiede im unternehmerischen F{\"u}hrungsstil der Gesch{\"a}ftsf{\"u}hrung zu beachten und auszur{\"a}umen, da dies einen wichtigen Katalysator f{\"u}r unternehmerisches Denken und Handeln der F{\"u}hrungskr{\"a}fte und Mitarbeiter darstellen kann.}, language = {de} } @article{MaMaLiuetal.2020, author = {Ma, Bing and Ma, Guimei and Liu, Xialang and Laßleben, Hermann}, title = {Relationship between a high-performance work system and employee outcomes: a multilevel analysis}, series = {Social behavior and personality : an international journal}, volume = {48}, journal = {Social behavior and personality : an international journal}, number = {1}, publisher = {Soc. for Personality Research}, address = {Palmerston North}, issn = {0301-2212}, doi = {10.2224/sbp.8580}, pages = {1 -- 9}, year = {2020}, abstract = {Although research on high-performance work systems (HPWS) is increasing, there are few studies in which the focus is on whether and how firm-level HPWS affect individual-level employee outcomes. Using social identity theory, we examined the relationship between HPWS and employee outcomes, and the role organizational identification plays as a mediator in this relationship. We used a multilevel research design and collected data at the organizational and individual levels from a sample of 485 employees of 32 companies in Guangdong Province, China. We used Amos 17.0 and hierarchical linear modeling 6.08 software to examine our hypotheses and the theoretical model. Results showed that organizational identification fully mediated the relationship between HPWS and employees' job performance as well as that between HPWS and their turnover intention. Our findings provide new insights into the relationship between firm-level human resource management and individual-level employee outcomes, and highlight the importance of considering the implementation of HPWS practices to strengthen employees' identification with the organization and improve their performance.}, language = {en} }