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In several organizations, business workgroups autonomously implement information technology (IT) outside the purview of the IT department. Shadow IT, evolving as a type of workaround from nontransparent and unapproved end-user computing (EUC), is a term used to refer to this phenomenon, which challenges norms relative to IT controllability. This report describes shadow IT based on case studies of three companies and investigates its management. In 62% of cases, companies decided to reengineer detected instances or reallocate related subtasks to their IT department. Considerations of risks and transaction cost economics with regard to specificity, uncertainty, and scope explain these actions and the resulting coordination of IT responsibilities between the business workgroups and IT departments. This turns shadow IT into controlled business-managed IT activities and enhances EUC management. The results contribute to the governance of IT task responsibilities and provide a way to formalize the role of workarounds in business workgroups.
InBetween
(2017)
Die vorliegende Veröffentlichung gibt einen einführenden Überblick über wesentliche Regelungen des Wirtschaftsprivatrechts, insbesondere der handels- und gesellschaftsrechtlichen Regelungen.
Sie wendet sich an Studierende von Universitäten, Fachhochschulen, Berufsakademien und anderen Bildungseinrichtungen, die sich während ihres Studiums mit dem Wirtschaftsprivatrecht zu befassen haben.
KLIMOPASS
(2017)
Vortrag
Die stetig steigende Digitalisierung von Kommunikation und Interaktion ermöglicht eine immer flexiblere und schnellere Erfassung und Ausführung von Aktivitäten in Geschäftsprozessen. Dabei ermöglichen technologische und organisatorische Treiber, wie beispielsweise Cloud Computing und Industrie 4.0, immer komplexere organisationsübergreifende Geschäftsprozesse. Die effektive und effiziente Einbindung aller beteiligten Menschen (z.B. IT-Experten, Endanwender) ist hierbei ein entscheidender Erfolgsfaktor. Nur wenn alle Prozessbeteiligten Kenntnis über die aktuellen Geschäftsprozesse besitzen, kann eine adäquate Ausführung dieser sichergestellt werden. Die notwendige Balance zwischen Flexibilität und Stabilität wird durch die traditionellen Methoden des Geschäftsprozessmanagements (GPM) nur unzureichend gewährleistet. Sowohl aktuelle Forschungen als auch anwendungsbezogene Studien stellen die unzureichende Integration aller Beteiligten, deren fehlendes Verständnis und die geringe Akzeptanz gegenüber GPM dar. Die Dissertation, welche im Rahmen des anwenderorientierten Forschungsprojekts „BPM@Cloud“ erstellt wird, befasst sich mit der Erarbeitung einer neuen Methode zum agilen Geschäftsprozessmanagement auf Basis gebrauchssprachlicher (alltagssprachlicher, fachsprachlicher) Modellierung von Geschäftsprozessen. Die Methode umfasst drei Bestandteile (Vorgehensweise, Modellierungssprache, Softwarewerkzeug), wodurch eine ganzheitliche Unterstützung bei der Umsetzung von GPM Projekten sichergestellt wird. Durch die Adaption und Erweiterung von agilen Konzepten der Softwareentwicklung wird die Vorgehensweise zum iterativen, inkrementellen und empirischen Management von Geschäftsprozessen beschrieben. Des Weiteren wird eine Modellierungssprache für Geschäftsprozesse entwickelt, welche zur intuitiven, gebrauchssprachlichen Erfassung von Geschäftsprozessen angewendet werden kann. Die Implementierung eines Software-Prototyps ermöglicht des Weiteren die direkte Aufnahme von Feedback während der Ausführung von Geschäftsprozessen. Die drei sich ergänzenden Bestandteile – Vorgehensweise, Sprache und Software-Prototyp – bilden eine neuartige Grundlage für eine verbesserte Erfassung, Anreicherung, Ausführung und Optimierung von Geschäftsprozessen.
The evolution of strain induced martensite in austenitic stainless steel AISI 304 was investigated in a rolling contact on a two-discs-tribometer. The effects of surface roughness, slip and normal force as well as the number of load cycles were examined. In comparison to the investigations of martensitic phase transformation during cold rolling, the applied stresses are considerably lower. The formation of strain induced martensite was detected in-situ by means of a FERITSCOPE MP30 and ex-situ by optical microscopy after etching with Kane etchant. Both number of load cycles and magnitude of normal force appeared to be the main influencing factors regarding strain induced martensitic evolution in low stress rolling contacts.
Earthquake engineering
(2017)
Vortrag
We examine to what extent a transaction relation-based value network maturity status of New Technology-Based Firms (NTBFs) is related to their survival. A specific challenge of NTBFs is their lack of market-orientation, which is why the maturity of the ties they form towards the market in terms of customers, financiers, personnel and partners is supposed to be a strong indicator for survival. We analyze a sample of 170 NTBFs by capturing their value network status from business plans and defining their survival status using secondary research. Simple statistical tests and regressions suggest that the official registration of the business is a pre-step for survival that requires industry-specific value network dimension strengths. A sub-sample survival analysis shows that for all NTBFs that have reached registration, regardless of their industry, a stronger customer value network maturity dimension prevents from failure and is thus a significant predictor for survival. Moreover, the analyses partly support the idea that NTBFs from the IT sector are less dependent on a strong value network in the financier dimension to survive. The results are of relevance for both practitioners and researchers in the innovation system: a better understanding of the factors impacting on NTBF survival can help to provide more tailored support services for young firms, increase the effectiveness of resource allocations, and provide a basis for further research.
Anwendung des UN-Kaufrechts
(2017)
Tests for speeding up the determination of the Bernstein enclosure of the range of a multivariate polynomial and a rational function over a box and a simplex are presented. In the polynomial case, this enclosure is the interval spanned by the minimum and the maximum of the Bernstein coefficients which are the coefficients of the polynomial with respect to the tensorial or simplicial Bernstein basis. The methods exploit monotonicity properties of the Bernstein coefficients of monomials as well as a recently developed matrix method for the computation of the Bernstein coefficients of a polynomial over a box.
In this paper, multivariate polynomials in the Bernstein basis over a simplex (simplicial Bernstein representation) are considered. Two matrix methods for the computation of the polynomial coefficients with respect to the Bernstein basis, the so-called Bernstein coefficients, are presented. Also matrix methods for the calculation of the Bernstein coefficients over subsimplices generated by subdivision of the standard simplex are proposed and compared with the use of the de Casteljau algorithm. The evaluation of a multivariate polynomial in the power and in the Bernstein basis is considered as well. All the methods solely use matrix operations such as multiplication, transposition, and reshaping; some of them rely also on the bidiagonal factorization of the lower triangular Pascal matrix or the factorization of this matrix by a Toeplitz matrix. The latter one enables the use of the Fast Fourier Transform hereby reducing the amount of arithmetic operations.
Kreativwirtschaft Bodensee
(2017)
The Kerala tourism model
(2017)
Sustainable tourism in Kerala is on the rise. Therefore, this South Indian state is assessed according to the sustainable tourism criteria of the Strasdas et al. (2007) framework. Kerala as a state does not qualify as a sustainable tourism destination, although individual success stories at the NGO and government level exist. This conceptual paper delivers a detailed analysis of the three dimensions of sustainability, i.e. ecology, economy and socio-cultural aspects, of the ‘Kerala tourism model’ and discusses the question of whether this model can be transferred to other developing countries. Copyright © 2016 John Wiley & Sons, Ltd and ERP Environment
Leadership in a global world
(2017)
Epilog
(2017)
R concretes with a proportion of recycled aggregates are standardized normal concretes which are allowed for use in Germany up to strength class C30/37. Because of the good technical properties and the ecological advantages, the article presents possible applications in the field of concrete products and precast concrete elements. Read part 2 of the paper.
R concretes with a proportion of recycled aggregates are standardized normal concretes which are allowed for use in Germany up to strength class C30/37. Because of the good technical properties and the ecological advantages, the article presents possible applications in the field of concrete products and precast concrete elements. Read part 1 of the paper.
Lokale Ausbesserungen stellen bei Schadstellen an verputzten Fassaden in vielen Fällen eine technisch sichere und weniger zeit- und kostenaufwendige Alternative zum Putzabschlagen und Neuverputz oder zum vollflächigen Überputzen dar.
Die zum Teil damit verbundenen leichten Einschränkungen beim ästhetischen Gesamteindruck sind in den meisten Fällen tolerierbar. An die Auswahl eines geeigneten Putzes und die handwerkliche Ausführung der Ausbesserung werden hohe Anforderungen gestellt, um ein technisch und ästhetisch zufriedenstellendes Ergebnis zu erzielen.
RC-Beton im Hochbau
(2017)
In the automotive industry a strong effort has been undertaken to reduce the weight of modern vehicles. In order to reduce the energy consumption and to improve the environmental sustainability, the importance of weight reduction activities is even growing faster. As lightweight designing is becoming more and more expensive and show less potential savings, new approaches are needed. One promising technology could be the use of shape memory elements. In the last years a lot of potential application possibilities were presented, demonstrating the benefit of these functional elements in automotive design solutions: they often reduce complexity, weight and design space of an actuation device and enable new functions. In addition they work silently and are therefore ideally suitable for comfort applications in the passenger cabin. Because of the current trend to electric vehicle the hitherto existing drawback of a high electrical energy consumption of shape memory actuators in some design proposals is not given any more.