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A transaction is a demarcated sequence of application operations, for which the following properties are guaranteed by the underlying transaction processing system (TPS): atomicity, consistency, isolation, and durability (ACID). Transactions are therefore a general abstraction, provided by TPS that simplifies application development by relieving transactional applications from the burden of concurrency and failure handling. Apart from the ACID properties, a TPS must guarantee high and robust performance (high transactional throughput and low response times), high reliability (no data loss, ability to recover last consistent state, fault tolerance), and high availability (infrequent outages, short recovery times).
The architectures and workhorse algorithms of a high-performance TPS are built around the properties of the underlying hardware. The introduction of nonvolatile memories (NVM) as novel storage technology opens an entire new problem space, with the need to revise aspects such as the virtual memory hierarchy, storage management and data placement, access paths, and indexing. NVM are also referred to as storage-class memory (SCM).
Active storage
(2018)
In brief, Active Storage refers to an architectural hardware and software paradigm, based on collocation storage and compute units. Ideally, it will allow to execute application-defined data ... within the physical data storage. Thus Active Storage seeks to minimize expensive data movement, improving performance, scalability, and resource efficiency. The effective use of Active Storage mandates new architectures, algorithms, interfaces, and development toolchains.
Unternehmen, die gesellschaftliche Verantwortung für die Auswirkungen ihrer Geschäftstätigkeit übernehmen, stehen vor der Herausforderung, CSR und Compliance systematisch und umfassend in ihr Unternehmen zu integrieren und kontinuierlich umzusetzen. Dieser Beitrag zeigt vor diesem Hintergrund auf, wie Unternehmen durch die Etablierung von Wertemanagementsystemen sowie PDCA-Zyklen (Plan-Do-Check-Act) CSR- und Compliancemanagementsysteme integrieren und umsetzen können. Des Weiteren werden Instrumente, die relevant für die Entwicklung, Implementierung und Umsetzung von effektiven und effizienten CSR- und Compliancemanagementsysteme sind, aufgelistet.
Die Einführung CSR- und wertebasierter Unternehmensziele und Managementmethoden wird von Führungskräften und Mitarbeitern häufig als Überforderung empfunden und löst Bedenken und teilweise Ängste aus. Diesem Phänomen kann alleine durch eine gelungene Schulung in den Theorien und Methoden entgegengetreten werden. Das hier vorgeschlagene Sechs-Schritte-Programm zur Schulung dieser Theorien und Methoden weckt das Bewusstsein für die Notwendigkeit eines Paradigmenwechsels und vermittelt den betroffenen Individuen die erforderlichen Kenntnisse und Werkzeuge, sich dieser Herausforderung zu stellen. In sechs Arbeitsschritten wird von der Phänomenologie der derzeitigen Unternehmenswelt über die theoretische Analyse der Situation bis hin zur Vorstellung geeigneter Tools und der möglichen Risiken ein Weg zur erfolgreichen Schulung gezeigt.
Der Siegeszug von Social Media im privaten Umfeld hat die Vorteile dieser Kommunikationswerkzeuge aufgezeigt. Unternehmen versuchen, diese Erfolge für sich zu nutzen und setzen Social Media für ihre Kommunikationsaktivitäten ein. In der externen Kommunikation etwa ermöglichen diese Werkzeuge einen schnellen und unkomplizierten Nachrichtenaustausch mit Kunden oder helfen Kundenexpertise in organisationale Prozesse, etwa Produktentwicklung oder Kundenbeschwerdemanagement, zu integrieren. Auch in der internen Kommunikation entstehen durch den Einsatz von Social Media neue Kanäle. Eine spezielle Gruppe von Social-Media Werkzeugen für die interne Kommunikation und Kollaboration wird als Enterprise Social Networks (ESN) bezeichnet.
Vor dem Hintergrund, dass aktuell erstmals konzeptionelle Grundlagen für ein Nachhaltigkeitsmanagement in außeruniversitären Forschungseinrichtungen entwickelt worden sind, sollen nun diese Ergebnisse in die Konzeption eines interdisziplinären und organisationsübergreifenden Ansatzes zur Integration von Nachhaltigkeitsaspekten in Lehre und Weiterbildung einfließen. Die empirische Grundlage bildet eine qualitative, organisationsethnografische Fallstudie, in der die Autoren Deutungen von Experten und Expertinnen sowie deren Betriebs- und Alltagswissen in Bezug auf ein nachhaltiges Personalmanagement untersuchen. Auf Basis der daraus entwickelten praktischen Implementierungsmöglichkeiten in außeruniversitären Forschungseinrichtungen soll nun ein Ansatz entwickelt werden, um die Ergebnisse auf die Lehre in Hochschulen und die interorganisatorische Weiterbildung von Forschungseinrichtungen zu übertragen.
Decentralized energy systems are characterized by an ad hoc planing. The missing integration of energy objectives into business strategy creates difficulties resulting in inefficient energy architectures and decisions. Practice-proven methods such as balanced scorecard, enterprise architecture management and value network approach supports the transformation path towards an effective decentralized system. The methods are evaluated based on a case study. Managing multi-dimensionality, high complexity and multiple actors are the main drivers for an effective and efficient energy management system. The underlying basis to gain the positive impacts of these methods on decentralized corporate energy systems is digitization of energy data and processes.
A case study with four German fashion retail brands was conducted in order to measure the performance of their Omnichannel services. In detail, their Click & Collect service was analyzed. Click & Collect is one of the first introduced Omnichannel services in fashion retailing. Omnichannel services integrate different sales and communication channels providing a seamless customer journey experience. Offline, online, and mobile app customer experiences should provide a seamless customer experience. Omnichannel performance of the four retailers Decathlon, Hunkemöller, Massimo Dutti and Galeria Kaufhof was measured via mystery shopping. A seamless customer journey experience is not yet a standard in German fashion retailing. The four companies differ in many process details. The biggest market potential and the recommendation for further research emerges in deficits of the offline store Omnichannel customer experience. Here, all four case companies have room to improve. Best overall results regarding the integration of offline, online and mobile shops were found with Hunkemöller, followed by Decathlon, Massimo Dutti, and Galeria Kaufhof.
Rational strain engineering requires solid testing of phenotypes including productivity and ideally contributes thereby directly to our understanding of the genotype-phenotype relationship. Actually, the test step of the strain engineering cycle becomes the limiting step, as ever advancing tools for generating genetic diversity exist. Here, we briefly define the challenge one faces in quantifiying phenotypes and summarize existing analytical techniques that partially overcome this challenge. We argue that the evolution of volatile metabolites can be used as proxy for cellular metabolism. In the simplest case, the product of interest is a volatile (e.g., from bulk alcohols to special fragrances) that is directly quantified over time. But also nonvolatile products (e.g., from bulk long-chain fatty acids to natural products) require major flux rerouting that result potentially in altered volatile production. While alternative techniques for volatile determination exist, rather few can be envisaged for medium to high-throughput analysis required for phenotype testing. Here, we contribute a detailed protocol for an ion mobility spectrometry (IMS) analysis that allows volatile metabolite quantification down to the ppb range. The sensivity can be exploited for small-scale fermentation monitoring. The insights shared might contribute to a more frequent use of IMS in biotechnology, while the experimented aspects are of general use for researchers interested in volatile monitoring.
Case study: Marillion
(2018)
The purpose of this paper is to highlight the use of crowdfunding,
demonstrated by a case study about the rock band Marillion. The research
methodology applied is a literature review examining academic references. On this basis, a case study by exemplary illustrating the rock band Marillion and how they invented crowdfunding has been drafted. Findings suggest that the crowdfunding concept is no new phenomenon, since the rock band Marillion has investigated the business model. Recently, the funding method is applied to the fashion industry; hence it is efficient and engaging to finance projects by that specific business model. A limitation of this paper is that the topic of crowdfunding is new to the fashion business and needs further research and tests until they are practicable to interpret. Results show that there is a high potential for using crowdfunding in fashion by reaching a long-term change in this industry.