TY - CHAP AU - Fla{\ss}kamp, Kathrin AU - Gr{\"o}sbrink, Stefan AU - Hartmann, Philip AU - Heinzemann, Christian AU - Kleinjohann, Bernd AU - Kleinjohann, Lisa AU - Kr{\"u}ger, Martin AU - Ober-Bl{\"o}baum, Sina AU - Priesterjahn, Claudia AU - Rasche, Christoph AU - Sch{\"a}fer, Wilhelm AU - Steenken, Dominik AU - Tr{\"a}chtler, Ansgar AU - Wehrheim, Heike AU - Ziegert, Steffen ID - 25775 T2 - Dependability of Self-Optimizing Mechatronic Systems TI - Development of the RailCab Vehicle ER - TY - JOUR AU - Krapick, S. AU - Stefszky, Michael AU - Jachura, M. AU - Brecht, Benjamin AU - Avenhaus, M. AU - Silberhorn, Christine ID - 26044 JF - Physical Review A SN - 1050-2947 TI - Bright integrated photon-pair source for practical passive decoy-state quantum key distribution ER - TY - JOUR AB - We investigated an explanation for the length dependence of apparent wall slip in capillary and slit die experiments that had been implied in earlier studies. Firstly, we used a very long slit die fitted with six equidistant pressure transducers and an adjustable outlet. It was found that, all other parameters being equal, the impact of pressure on the flow behavior of suspensions was not different from the impact on the unfilled matrix fluid. Particle-related properties, such as apparent wall slip, were therefore not influenced by pressure as assumed by other authors. Secondly, we determined wall slip velocities by both the Mooney method and numerical simulation, based on an implementation of Phillips constitutive equation for particle migration. This led to a similar length dependence of wall slip as had been reported in an earlier work. We concluded that this was due to the transient nature of particle migration and its interrelationship with apparent wall slip, rather than an influence of pressure. AU - Pieper, Sven AU - Kirchhoff, Nadine AU - Schmid, Hans-Joachim ID - 26125 JF - Rheologica Acta SN - 0035-4511 TI - Absence of pressure sensitivity of apparent wall slip in pressure-driven flow of non-colloidal suspensions ER - TY - JOUR AB - Ultrafine dust separation from different sources like industry, traffic, or private households has become increasingly important in the last decade. A compact baghouse filter system has been developed which is suitable for pellet heaters. For filtration, a precoat material is required to prevent clogging of the filter media by the ultrafine dust particles. In order to ensure the best performance of this filter system, different combinations of filter media and precoat materials, e.g., grade efficiencies and the cake area load for the various filter media, were investigated in a special test rig. With this highly efficient technology, extremely high separation efficiencies of > 99 % and ultrafine dust concentrations of > 1 mg cm−3 could be reached in a long-term stable process. AU - Schiller, Sascha AU - Schmid, Hans-Joachim ID - 26126 JF - Chemical Engineering & Technology SN - 0930-7516 TI - Ultrafine Dust Filtration Using Precoat Materials Considering the Influence of Filter Media ER - TY - JOUR AB - Capillary forces are very important as they exceed in general other adhesion forces. But at the same time the exact calculation of these forces is very complex, so often assumptions and approximations are used. Previous research was done with regard to micrometer sized particles, but the behavior of nanoscale particles is different. Hence, the results for micrometer sized particles cannot be directly transferred when considering nanoscale particles. Therefore, a simulation method was developed to calculate numerically the shape of a rotationally symmetrical capillary bridge between two spherical particles or a particle and a plate. The capillary bridge in the gap between the particles is formed due to capillary condensation and is in thermodynamic equilibrium with the gas phase. Hence the Kelvin equation and the Young–Laplace equation can be used to calculate the profile of the capillary bridge, depending on the relative humidity of the surrounding air. The bridge profile consists of several elements that are determined consecutively and interpolated linearly. After the shape is determined, the volume and force, divided into capillary pressure force and surface tension force, can be calculated. The validation of this numerical model will be shown by comparison with several different analytical calculations for micrometer-sized particles. Furthermore, it is demonstrated that two often used approximations, (1) the toroidal approximation and (2) the use of an effective radius, cannot be used for nanoscale particles without remarkable mistake. It will be discussed how the capillary force and its components depend on different parameters, like particle size, relative humidity, contact angle, and distance, respectively. The rupture of a capillary bridge due to particle separation will also be presented. AU - Dörmann, Michael AU - Schmid, Hans-Joachim ID - 26127 JF - Langmuir SN - 0743-7463 TI - Simulation of Capillary Bridges between Nanoscale Particles ER - TY - CHAP AU - Betz, Stefan ED - Mieke, Christian ID - 2614 T2 - Logistikorientiertes Produktionsmanagement TI - Outsourcing von Lagerdienstleistungen als operatives Entscheidungsproblem ER - TY - THES AU - Lehner, Markus ID - 26210 TI - Verfahren zur Entwicklung geschäftsmodellorientierter Diversifikationsstrategien VL - 324 ER - TY - THES AU - Brandis, Rinje ID - 26211 TI - Systematik für die integrative Konzipierung der Montage auf Basis der Prinziplösung mechatronischer Systeme VL - 325 ER - TY - THES AU - Köster, Oliver ID - 26213 TI - Systematik zur Entwicklung von Geschäftsmodellen in der Produktentstehung VL - 326 ER - TY - THES AU - Kaiser, Lydia ID - 26214 TI - Rahmenwerk zur Modellierung einer plausiblen Systemstruktur mechatronischer Systeme VL - 327 ER - TY - THES AU - Echterhoff, Niklas ID - 26216 TI - Systematik zur Planung von CrossIndustry-Innovationen VL - 332 ER - TY - THES AU - Hassan, Bassem ID - 26217 TI - A Design Framework for Developing a Reconfigurable Driving Simulator VL - 333 ER - TY - THES AU - Rieke, Jan ID - 26219 TI - Model Consistency Management for Systems Engineering VL - 335 ER - TY - JOUR AU - Herrmann, Philipp AU - Kundisch, Dennis AU - Rahman, Mohammad ID - 2623 IS - 4 JF - Management Science TI - Beating Irrationality: Does Delegating to IT Alleviate the Sunk Cost Effect? VL - 64 ER - TY - BOOK AU - Brökelmann, Jan ID - 26232 TI - Systematik der virtuellen Inbetriebnahme von automatisierten Produktionssystemen VL - 344 ER - TY - JOUR AU - Kundisch, Dennis AU - Mittal, Neeraj AU - Nault, Barrie ID - 2624 IS - 3 JF - Information Systems Research TI - Using Income Accounting as the Theoretical Basis for Measuring IT Productivity VL - 25 ER - TY - JOUR AU - Mutter, Tobias AU - Kundisch, Dennis ID - 2625 IS - Part B JF - Computer Networks TI - Don't take away my Status! - Evidence from the Restructuring of a Virtual Reward System VL - 75 ER - TY - JOUR AU - Veit, Daniel AU - Clemons, Eric AU - Benlian, Alexander AU - Buxmann, Peter AU - Hess, Thomas AU - Kundisch, Dennis AU - Leimeister, Jan-Marco AU - Loos, Peter AU - Spann, Martin ID - 2626 IS - 1 JF - Business & Information Systems Engineering TI - Business Models - An Information Systems Research Agenda VL - 6 ER - TY - JOUR AU - Veit, D. AU - Clemons, E. AU - Buxmann, A. AU - Hess, T. AU - Kundisch, Dennis AU - Leimeister, J.-M. AU - Loos, P. AU - Spann, M. ID - 2627 IS - 1 JF - Wirtschaftsinformatik TI - Geschäftsmodelle - Eine Forschungsagenda für die Wirtschaftsinformatik VL - 56 ER - TY - JOUR AU - Heinrich, B. AU - Kundisch, Dennis AU - Zimmermann, Steffen ID - 2629 IS - 2 JF - BIT - Banking and Information Technology TI - Analyzing Cost and Risk Interaction Effects in IT Project Portfolios VL - 15 ER - TY - JOUR AU - Shahandeh, F. AU - Sperling, Jan AU - Vogel, W. ID - 26340 JF - Physical Review Letters SN - 0031-9007 TI - Structural Quantification of Entanglement ER - TY - JOUR AU - Gutiérrez-Esparza, A. J. AU - Pimenta, W. M. AU - Marques, B. AU - Matoso, A. A. AU - Sperling, Jan AU - Vogel, W. AU - Pádua, S. ID - 26341 JF - Physical Review A SN - 1050-2947 TI - Detection of nonlocal superpositions ER - TY - JOUR AU - Mraz, M. AU - Sperling, Jan AU - Vogel, W. AU - Hage, B. ID - 26342 JF - Physical Review A SN - 1050-2947 TI - Witnessing the degree of nonclassicality of light ER - TY - JOUR AU - Vogel, W. AU - Sperling, Jan ID - 26343 JF - Physical Review A SN - 1050-2947 TI - Unified quantification of nonclassicality and entanglement ER - TY - JOUR AU - Sperling, Jan AU - Vogel, W. AU - Agarwal, G. S. ID - 26344 JF - Physical Review A SN - 1050-2947 TI - Quantum state engineering by click counting ER - TY - JOUR AU - Steinhoff, F. E. S. AU - de Oliveira, M. C. AU - Sperling, Jan AU - Vogel, W. ID - 26345 JF - Physical Review A SN - 1050-2947 TI - Bipartite bound entanglement in continuous variables through degaussification ER - TY - JOUR AU - Shahandeh, F. AU - Sperling, Jan AU - Vogel, W. ID - 26346 JF - Physical Review A SN - 1050-2947 TI - Operational Gaussian Schmidt-number witnesses ER - TY - CHAP AU - Bloh, Thiemo ID - 26395 T2 - Perspektiven auf inklusive Bildung TI - Kollektive Orientierungsmuster als Teil individueller Handlungskompetenz: Eine komparative Analyse kooperierender Grundschullehrkräfte ER - TY - JOUR AU - Barkhofen, Sonja AU - Faure, F AU - Weich, T ID - 26511 JF - Nonlinearity SN - 0951-7715 TI - Resonance chains in open systems, generalized zeta functions and clustering of the length spectrum ER - TY - JOUR AU - Weich, T AU - Barkhofen, Sonja AU - Kuhl, U AU - Poli, C AU - Schomerus, H ID - 26512 JF - New Journal of Physics SN - 1367-2630 TI - Formation and interaction of resonance chains in the open three-disk system ER - TY - JOUR AU - Allgaier, Markus AU - Gehler, Stefan AU - Barkhofen, Sonja AU - Stöckmann, H.-J. AU - Kuhl, Ulrich ID - 26513 JF - Physical Review E SN - 1539-3755 TI - Spectral properties of microwave graphs with local absorption ER - TY - CONF AB - n the summer of 1994, courses at universities were supported for the first time through the use of the World Wide Web. With the introduction of this new technology, high expectations quickly arose that the established forms of teaching and learning in schools and universities would be replaced and that the institutions themselves might even prove to be superfluous. Twenty years later, it turns out that there is a great gap between hope and reality. Some of the ideas at the time that, for example, having access to the world's knowledge at any time would make textbooks superfluous, turned out to be naive in retrospect. Characteristic of the ideas at that time was the assumption that didactic and organizational problems of teaching and learning could be solved purely technically. AU - Keil, Reinhard AU - Selke, Harald AU - Winkelnkemper, Felix ED - Trahasch, Stephan ED - Pl {\ "o} tzner, Rolf ED - Schneider, Gerhard ED - Gayer, Claudia ED - Sassiat, Daniel ED - W {\ "o} hrle, Nicole ID - 26537 TI - Twenty years of learning with the World Wide Web ER - TY - CONF AU - Winkelnkemper, Felix AU - Keil, Reinhard ED - Butz, Andreas ED - Schlichter, Johann ID - 26538 TI - Zwischen Design und Flexibilit{\"a}t - Zur Ergonomie des Flat Design VL - 2014 ER - TY - CONF AU - Jakoblew , Marcel AU - Keil, Reinhard AU - Winkelnkemper, Felix ED - Forbrig, Peter ED - Magenheim, Johannes ID - 26540 T2 - Proceedings der HDI 2014 TI - Forschendes Lernen durch semantisches Positionieren ER - TY - CONF AU - Keil, Reinhard AU - Schild, Christian ID - 26541 TI - Hypothesengeleitete Gestaltung von Benutzungsoberfl{\"a}chen ER - TY - CONF AU - Keil, Reinhard ED - Keller, Stefan Andreas ED - Schneider, René ED - Volk, Benno ID - 26542 TI - Knowledge integration processes and distributed knowledge organization ER - TY - JOUR AU - Hellmich, Frank AU - Görel, Gamze ID - 26654 IS - 3 JF - Zeitschrift für Bildungsforschung SN - 2190-6890 TI - Erklärungsfaktoren für Einstellungen von Lehrerinnen und Lehrern zum inklusiven Unterricht in der Grundschule VL - 4 ER - TY - CHAP AU - Hellmich, Frank AU - Görel, Gamze ED - Lichtblau, Michael ED - Blömer, Daniel ED - Jüttner, Ann-Kathrin ED - Koch, Katja ED - Krüger, Michaela ED - Werning, Rolf ID - 26655 T2 - Forschung zu inklusiver Bildung. Gemeinsam anders lehren und lernen TI - Einstellungen zur Inklusion und Vorerfahrungen aus dem „Gemeinsamen Unterricht“ bei Lehrkräften in der Grundschule ER - TY - CHAP AU - Hellmich, Frank AU - Hoya, Fabian Karl ED - Drossel, Kerstin ED - Strietholt, Rolf ED - Bos, Wilfried ID - 26679 T2 - Empirische Bildungsforschung und evidenzbasierte Reformen im Bildungswesen TI - Wahrnehmung von Rückmeldungen durch Kinder im Leseunterricht der Grundschule im Zusammenhang mit ihrem Leseverständnis und ihren selbstbezogenen Kognitionen und Motivationen. ER - TY - CHAP AU - Hoya, Fabian Karl AU - Hellmich, Frank ED - Blömer , Daniel ED - Lichtblau, Michael ED - Jüttner, Ann-Kathrin ED - Koch, Katja ED - Krüger, Michaela ED - Werning, Rolf ID - 26683 T2 - Perspektiven auf inklusive Bildung TI - Individuelles Feedback in heterogen zusammengesetzten Lerngruppen im Leseunterricht der Grundschule – Befunde aus einer empirischen Studie ER - TY - CHAP AU - Hellmich, Frank AU - Hoya, Fabian Karl ED - Tillack, Carina ED - Fetzer, Janina ED - Fischer, Natalie ID - 26685 T2 - Beziehungen in Schule und Unterricht (Teil 2). Soziokulturelle und schulische Einflüsse auf pädagogische Beziehungen TI - Die Rolle von Klassenklima und Rückmeldungen für Selbstkonzept, Motivation und Leseleistung bei Kindern im Grundschulunterricht – Ergebnisse aus einer empirischen Studie VL - 24 ER - TY - JOUR AU - Hellmich, Frank AU - Hoya, Fabian Karl ID - 26688 IS - 9 JF - Schulpädagogik-heute TI - Die Rolle von Klassenklima und Rückmeldungen für Selbstkonzept, Motivation und Leseleistung bei Kindern im Grundschulunterricht – Ergebnisse aus einer empirischen Studie VL - 5 ER - TY - CHAP AU - Hellmich, Frank AU - Förster, Sabrina ED - Blömer, Daniel ED - Lichtblau, Michael ED - Jüttner, Ann-Kathrin ED - Koch, Katja ED - Krüger, Michaela ED - Werning, Rolf ID - 26740 T2 - Perspektiven auf inklusive Bildung TI - Transfereffekte eines wortschatzbasierten Lesestrategietrainings auf die Bearbeitungsqualität mathematischer Textaufgaben bei Grundschülerinnen und -schülern mit Zuwanderungsgeschichte VL - 17 ER - TY - CHAP AU - Hellmich, Frank AU - Niebuhr-Siebert, Sandra AU - Förster, Sabrina ED - Kopp, Bärbel ED - Martschinke, Sabine ED - Munser-Kiefer, Meike ED - Haider, Michael ED - Kirschhock, Eva-Maria ED - Ranger, Gwendo ED - Renner, Günter ID - 26741 T2 - Individuelle Förderung und Lernen in der Gemeinschaft TI - Lesefähigkeiten und metakognitive Lesestrategien bei Kindern mit Deutsch als Erst- und Zweitsprache im Vergleich VL - 17 ER - TY - GEN AU - Meier-Gräwe, Uta AU - Klünder, Nina AU - Pathenschneider, Mira ID - 26885 TI - Kleinräumige lebenslagenbezogene kommunale Sozialberichterstattung für die Stadt Guben ER - TY - JOUR AB - Primary school years seem to represent a critical period for the development of overweight and obesity. However, only a few studies have analysed the prospective relationship between dietary patterns and weight status in children. The aims of the present study were to identify dietary patterns at the beginning of and during the primary school period and to examine their relevance to the development of body composition. Nutritional and anthropometric data from 371 participants of the Dortmund Nutritional and Longitudinally Designed (DONALD) Study at the beginning (ages 6 and 7 years) and end (ages 10 and 11 years) of the primary school period were used. Principal component analyses (PCA) were conducted to identify dietary patterns, which were regressed on changes in BMI and fat mass index (FMI) between ages 6 and 7 years and ages 10 and 11 years. Reduced rank regression (RRR) was used to directly extract patterns explaining variation in changes in BMI and FMI between ages 6 and 7 years and ages 10 and 11 years. PCA yielded interpretable patterns of dietary changes at the beginning of and during the primary school period, which were not related to changes in body composition. Conversely, RRR allowed identifying predictive patterns: higher baseline intakes of white bread and lower baseline intakes of whole-grain products as well as increases in the consumption of savoury snacks, sausages and cheese during primary school years independently predicted increases in BMI and FMI during the primary school period. In conclusion, selection of unfavourable carbohydrate sources at the beginning of the primary school period and increases in the consumption of processed savoury foods during primary school years may adversely affect the development of body composition during the course of primary school. AU - Diethelm, Katharina AU - Günther, Anke L. B. AU - Schulze, Matthias B. AU - Standl, Marie AU - Heinrich, Joachim AU - Buyken, Anette ID - 26913 JF - British Journal of Nutrition SN - 0007-1145 TI - Prospective relevance of dietary patterns at the beginning and during the course of primary school to the development of body composition ER - TY - JOUR AU - Joslowski, Gesa AU - Halim, Jocelyn AU - Goletzke, Janina AU - Gow, Megan AU - Ho, Mandy AU - Louie, Jimmy C.-Y. AU - Buyken, Anette AU - Cowell, Chris T. AU - Garnett, Sarah P. ID - 26914 JF - Clinical Nutrition SN - 0261-5614 TI - Dietary glycemic load, insulin load, and weight loss in obese, insulin resistant adolescents: RESIST study ER - TY - JOUR AU - Buyken, Anette AU - Goletzke, Janina AU - Joslowski, Gesa AU - Felbick, Anna AU - Cheng, Guo AU - Herder, Christian AU - Brand-Miller, Jennie C ID - 26915 JF - The American Journal of Clinical Nutrition SN - 0002-9165 TI - Association between carbohydrate quality and inflammatory markers: systematic review of observational and interventional studies ER - TY - JOUR AU - Cheng, G AU - Bolzenius, K AU - Joslowski, G AU - Günther, A L B AU - Kroke, A AU - Heinrich, J AU - Buyken, Anette ID - 26916 JF - European Journal of Clinical Nutrition SN - 0954-3007 TI - Velocities of weight, height and fat mass gain during potentially critical periods of growth are decisive for adult body composition ER - TY - JOUR AU - Goletzke, Janina AU - Buyken, Anette AU - Joslowski, Gesa AU - Bolzenius, Katja AU - Remer, Thomas AU - Carstensen, Maren AU - Egert, Sarah AU - Nöthlings, Ute AU - Rathmann, Wolfgang AU - Roden, Michael AU - Herder, Christian ID - 26917 JF - The Journal of Nutrition SN - 0022-3166 TI - Increased Intake of Carbohydrates from Sources with a Higher Glycemic Index and Lower Consumption of Whole Grains during Puberty Are Prospectively Associated with Higher IL-6 Concentrations in Younger Adulthood among Healthy Individuals ER - TY - CHAP AU - Gries, Thomas ED - Jinjun, Xue ID - 3289 SN - 978-9814383097 T2 - Low Carbon Economics TI - Low Carbon Economics - Theory and application VL - Chapter 22 ER - TY - CONF AB - Network emulations are widely used for testing novel network protocols and routing algorithms in realistic scenarios. Up to now, there is no emulation tool that is able to emulate large software-defined data center networks that consist of several thousand nodes. Mininet is the most common tool to emulate Software-Defined Networks of several hundred nodes. We extend Mininet to span an emulated network over several physical machines, making it possible to emulate networks of several thousand nodes on just a handful of physical machines. This enables us to emulate, e.g., large data center networks. To test this approach, we additionally introduce a traffic generator for data center traffic. Since there are no data center traffic traces publicly available we use the results of two recent traffic studies to create synthetic traffic. We show the design and discuss some challenges we had in building our traffic generator. As a showcase for our work we emulated a data center consisting of 3200 hosts on a cluster of only 12 physical machines. We show the resulting workloads and the trade-offs involved. AU - Wette, Philip AU - Dräxler, Martin AU - Schwabe, Arne AU - Wallaschek, Felix AU - Zahraee, Mohammad Hassan AU - Karl, Holger ID - 329 T2 - Proceedings of the 2014 IFIP Networking Conference (Networking 2014) TI - MaxiNet: Distributed Emulation of Software-Defined Networks ER - TY - GEN AU - Drigalsky, Liesa ID - 330 TI - Zur Ausbreitung und Behinderung von Epidemien - Eine Netzwerkanalyse ER - TY - GEN AU - Wu, Sen ID - 331 TI - Webcam application using virtual FPGA ER - TY - GEN AU - Lange, Maximilian ID - 332 TI - Was tun um Kunden von der Qualität seiner Produkte zu überzeugen - Möglichkeiten der Zertifizierung und von Reputationssystemen auf Onlinemärkten ER - TY - GEN AU - Osterbrink, Sebastian ID - 333 TI - Visualisierung von SMT-Solver-Ausgaben ER - TY - GEN AU - Wagener, Peter ID - 334 TI - Vertical Thread Migration in FPGA based Sound Localization ER - TY - CONF AB - Today, service compositions often need to be assembled or changed on-the-fly, which leaves only little time for quality assurance. Moreover, quality assurance is complicated by service providers only giving information on their services in terms of domain specific concepts with only limited semantic meaning. In this paper, we propose a method to construct service compositions based on pre-verifiedtemplates. Templates, given as workflow descriptions, are typed over a (domain-independent) template ontology defining concepts and predicates. Templates are proven correct using an abstract semantics, leaving the specific meaning of ontology concepts open, however, only up to given ontology rules. Construction of service compositions amounts to instantiation of templates with domain-specific services.Correctness of an instantiation can then simply be checked by verifying that the domain ontology(a) adheres to the rules of the template ontology, and (b) fulfills the constraints of the employed template. AU - Walther, Sven AU - Wehrheim, Heike ED - Lanese, Ivan ED - Madelaine, Eric ID - 336 T2 - Proceedings of the 11th International Symposium on Formal Aspects of Component Software (FACS) TI - Verified Service Compositions by Template-Based Construction ER - TY - GEN AU - Berkemeier, Christopher ID - 337 TI - Verhandlungen vs Auktionen im Beschäftigungsmanagement ER - TY - GEN AU - Beck, Henri ID - 338 TI - Verhandlungen bei variablem status quo: Eine Modifikation des Adjustet Winner Verfahrens ER - TY - BOOK AB - Dieses Lehr- und Arbeitsbuch präsentiert Ihnen die wichtigsten Grundlagen der Unternehmensfinanzierung auf dem neuesten fachlichen Stand. Der perfekte Einstieg in ein zentrales finanzwirtschaftliches Fach- und Praxisgebiet – mit vielen Beispielen und Übungen. AU - Gräfer, Horst AU - Schiller, Bettina AU - Rösner, Sabrina ID - 3389 KW - Management KW - Wirtschaft SN - 978-3-503-15666-5 TI - Finanzierung - Grundlagen, Institutionen, Instrumente und Kapitalmarkttheorie VL - 8 ER - TY - CONF AB - Preemptive Routing and Wavelength Assignment (RWA) algorithms preempt established lightpaths in case notenough resources are available to set up a new lightpath in aWavelength Division Multiplexing (WDM) network. The selectionof lightpaths to be preempted relies on internal decisions of theRWA algorithm. Thus, if dedicated properties of the networktopology are required by the applications running on the network,these requirements have to be known to the RWA algorithm.We present a family of preemptive RWA algorithms for WDMnetworks. These algorithms have two distinguishing features: a)they can handle dynamic traffic by on-the-fly reconfiguration,and b) users can give feedback for reconfiguration decisions andthus influence the preemption decision of the RWA algorithm,leading to networks which adapt directly to application needs.This is different from traffic engineering where the network is(slowly) adapted to observed traffic patterns.Our algorithms handle various WDM network configurationsincluding networks consisting of heterogeneous WDM hardware.To this end, we are using the layered graph approach togetherwith a newly developed graph model that is used to determineconflicting lightpaths. AU - Wette, Philip AU - Karl, Holger ID - 339 T2 - Proceedings of the IEEE International Conference on Communications 2014 TI - Using Application Layer Knowledge in Routing and Wavelength Assignment Algorithms ER - TY - GEN AU - Korth, Philipp ID - 340 TI - Untersuchung transitiver Eigenschaften der Technik "Programs from Proofs" ER - TY - GEN AU - Fang Cheng, Terry ID - 341 TI - Two-Sided Market and Game Console Vendors ER - TY - GEN AU - Klauke, Christoph ID - 342 TI - Transformation graphischer Protokollspezifikationen in Model-Checker-Anfragen ER - TY - THES AU - Künsemöller, Jörn ID - 343 TI - Tragedy of the Common Cloud - Game Theory on the Infrastructure-as-a-Service Market ER - TY - CONF AU - Klör, Benjamin AU - Bräuer, Sebastian AU - Beverungen, Daniel AU - Matzner, Martin ID - 3439 T2 - Proceedings of the Multikonferenz Wirtschaftsinformatik 2014 (MKWI 2014) TI - IT-basierte Dienstleistungen für die Elektromobilität --- Konzeptioneller Rahmen und Literaturanalyse ER - TY - CONF AU - Becker, Matthias AU - Becker, Steffen AU - Besova, Galina AU - Walther, Sven AU - Wehrheim, Heike ID - 344 T2 - Proceedings of the 40th Euromicro Conference on Software Engineering and Advanced Applications (Work in Progress Session) TI - Towards Systematic Configuration for Architecture Validation ER - TY - CONF AB - Automatically composing service-based software solutions is a challenging task. Considering context information during this service composition process is even more challenging. In domains such as image processing, however, context-sensitivity is inherent and cannot be ignored when developing techniques for automatic service composition. Formal approaches tend to create ambiguous solutions, whenever the expressive power of the applied formalism is limited. For example, services may have the same formal specification, although their actual functionality depends on the concrete context. In order to satisfy individual user requests while providing data-dependent functionality, formal approaches have to be extended. We propose to incorporate Reinforcement Learning techniques and combine them with planning based composition approaches. While planning ensures formally correct solutions, learning enables the composition process to resolve ambiguity by implicitly considering context information. Preliminary results show that our combined approach adapts to a static context while still satisfying formally specified requirements. AU - Jungmann, Alexander AU - Kleinjohann, Bernd ID - 345 T2 - Proceedings of the 6th International Conference on Cloud Computing Technology and Science (CloudCom) TI - Towards Context-Sensitive Service Composition for Service-Oriented Image Processing ER - TY - CONF AB - One future goal of service-oriented computing is to realize global markets of composed services. On such markets, service providers offer services that can be flexibly combined with each other. However, most often, market participants are not able to individually estimate the quality of traded services in advance. As a consequence, even potentially profitable transactions between customers and providers might not take place. In the worst case, this can induce a market failure. To overcome this problem, we propose the incorporation of reputation information as an indicator for expected service quality. We address On-The-Fly Computing as a representative environment of markets of composed services. In this environment, customers provide feedback on transactions. We present a conceptual design of a reputation system which collects and processes user feedback, and provides it to participants in the market. Our contribution includes the identification of requirements for such a reputation system from a technical and an economic perspective. Based on these requirements, we propose a flexible solution that facilitates the incorporation of reputation information into markets of composed services while simultaneously preserving privacy of customers who provide feedback. The requirements we formulate in this paper have just been partially met in literature. An integrated approach, however, has not been addressed yet. AU - Brangewitz, Sonja AU - Jungmann, Alexander AU - Petrlic, Ronald AU - Platenius, Marie Christin ID - 346 T2 - Proceedings of the 6th International Conferences on Advanced Service Computing (SERVICE COMPUTATION) TI - Towards a Flexible and Privacy-Preserving Reputation System for Markets of Composed Services ER - TY - CONF AB - Dynamic thread duplication is a known redundancy technique for multi-cores. The approach duplicates a thread under observation for some time period and compares the signatures of the two threads to detect errors. Hybrid multi-cores, typically implemented on platform FPGAs, enable the unique option of running the thread under observation and its copy in different modalities, i.e., software and hardware. We denote our dynamic redundancy technique on hybrid multi-cores as thread shadowing. In this paper we present the concept of thread shadowing and an implementation on a multi-threaded hybrid multi-core architecture. We report on experiments with a block-processing application and demonstrate the overheads, detection latencies and coverage for a range of thread shadowing modes. The results show that trans-modal thread shadowing, although bearing long detection latencies, offers attractive coverage at a low overhead. AU - Meisner, Sebastian AU - Platzner, Marco ED - Goehringer, Diana ED - Santambrogio, MarcoDomenico ED - Cardoso, JoãoM.P. ED - Bertels, Koen ID - 347 T2 - Proceedings of the 10th International Symposium on Applied Reconfigurable Computing (ARC) TI - Thread Shadowing: Using Dynamic Redundancy on Hybrid Multi-cores for Error Detection ER - TY - GEN AU - Rüthing, Christoph ID - 348 TI - The Xilinx Zynq Architecture as a Platform for Reconfigurable Heterogeneous Multi-Cores ER - TY - GEN AB - Identity-based cryptography has attracted attention in the cryptographic research communityin recent years. Despite the importance of cryptographic schemes for applicationsin business and law, the legal implications of identity-based cryptography have not yetbeen discussed. We investigate how identity-based signatures fit into the legal framework.We focus on the European Signature Directive, but also take the UNCITRAL Model Law onElectronic Signatures into account. In contrast to previous assumptions, identity-basedsignature schemes can, in principle, be used even for qualified electronic signatures,which can replace handwritten signatures in the member states of the European Union.We derive requirements to be taken into account in the development of future identitybasedsignature schemes. AU - Sorge, Christoph ID - 349 TI - The Legal Classification of Identity-Based Signatures ER - TY - JOUR AU - Becker, Jörg AU - Beverungen, Daniel AU - Knackstedt, Ralf AU - Peter Rauer, Hans AU - Sigge, Daniel ID - 3491 IS - 3 JF - Information Systems and e-Business Management TI - On the Ontological Expressiveness of Conceptual Modeling Grammars for Service Productivity Management ER - TY - JOUR AU - Beverungen, Daniel ID - 3492 IS - 4 JF - Business and Information Systems Engineering TI - Exploring the Interplay of the Design and Emergence of Business Processes as Organizational Routines ER - TY - JOUR AU - Beverungen, Daniel ID - 3493 IS - 4 JF - WIRTSCHAFTSINFORMATIK TI - Über das Zusammenwirken der Gestaltung und Emergenz von Geschäftsprozessen als Organisationsroutinen ER - TY - GEN AB - Customers continuously evaluate the credibility and reliability of a range of signals both separately and jointly. However, existing econometric studies pay insufficient attention to the interactions and complex combinations of these signals, and are typically limited as a result of difficulties controlling for multicollinearity and endogeneity in their data. We develop a novel theoretical approach to address these issues and study different signaling effects (i.e., word-of-mouth, brand reputation, and distribution strategy) on customer perceptions. Using data on the US video games market, we apply a fuzzy set qualitative comparative analysis (fsQCA) to account for cause-effect relationships. The results of our study address a number of key issues in the economics and management literature. First, our results support the contention that reviews from professional critics act as a signal of product quality and therefore positively influence unit sales, as do the discriminatory effects of prices and restricted age ratings. Second, we find evidence to support the use of brand extension strategies as marketing tools that create spillover effects and support the launch of new products. AU - Kaimann, Daniel AU - Cox, Joe ID - 350 TI - The Interaction of Signals: A Fuzzy set Analysis of the Video Game Industry ER - TY - GEN AU - Holzweißig, Lena ID - 351 TI - The Impact of Customer Reviews and Reputation on Hotel Prices ER - TY - THES AU - Scheel, Friedrich ID - 352 TI - The Economics of Individual Behavior in Competitive Environments: Empirical Evidence from Real-Life Tournaments ER - TY - CONF AB - There are many technologies for the automation of processesthat deal with services; examples are service discovery and composition.Automation of these processes requires that the services are described semantically. However, semantically described services are currently not oronly rarely available, which limits the applicability of discovery and composition approaches. The systematic support for creating new semanticservices usable by automated technologies is an open problem.We tackle this problem with a template based approach: Domain independent templates are instantiated with domain specific services andboolean expressions. The obtained services have semantic descriptionswhose correctness directly follows from the correctness of the template.Besides the theory, we present experimental results for a service repository in which 85% of the services were generated automatically. AU - Mohr, Felix AU - Walther, Sven ID - 353 T2 - Proceedings of the 14th International Conference on Software Reuse (ICSR) TI - Template-based Generation of Semantic Services ER - TY - GEN AU - Rötzmeier-Keuper, Julia AU - Wünderlich, Nancy ID - 3538 T2 - Proceedings of the 39th Annual Macromarketing Conference TI - Customer collectives in healthcare: The transformative potential of service to overcome consumer vulnerability ER - TY - CONF AB - In distributed cloud computing, application deployment across multiple sites can improve quality of service. Recent research developed algorithms to find optimal locations for virtual machines. However, those algorithms assume to have either single-tier applications or a fixed number of virtual machines – a strong simplification of reality. This paper investigates the placement and scaling of complex application architectures. An application is dynamically scaled to fit both the current demand situation and the currently available infrastructure resources. We compare two approaches: The first one is based on virtual network embedding. The second approach is a novel method called Template Embedding. It is based on a hierarchical 1-allocation hub flow problem and combines applica- tion scaling and embedding in one step. Extensive experiments on 43200 network configurations showed that Template Embedding outperforms virtual network embedding in all cases in three metrics: success rate, solution quality, and runtime. This positive result shows that template embedding is a promising approach for distributed cloud resource allocation. AU - Keller, Matthias AU - Robbert, Christoph AU - Karl, Holger ID - 354 T2 - Proceedings of 7th International Conference on Utility and Cloud Computing (UCC) TI - Template Embedding: Using Application Architecture to Allocate Resources in Distributed Clouds ER - TY - GEN AU - Rötzmeier-Keuper, Julia AU - Wünderlich, Nancy ID - 3541 T2 - Proceedings of the AMA SERVSIG International Service Research Conference TI - Interdependent Relationships Between and among Service Providers and Customer Collectives. ER - TY - CONF AB - In the last decade pairings have become an important, and often indispensable, ingredient in the construction of identity-based and attribute-based cryptosystems, as well as group signatures and credential systems. Consequently, the applicability of timing, power, or fault attacks to implementations of pairings is an important research topic. We will review some of the known results in this area. AU - Blömer, Johannes AU - Günther, Peter AU - Liske, Gennadij ID - 355 T2 - Proceedings of Fault Tolerance and Diagnosis in Cryptography(FDTC) TI - Tampering attacks in pairing-based cryptography ER - TY - JOUR AB - Decentralized algorithms are often used in the cooperative robotics field, especially by large swarm systems. We present a distributed algorithm for a problem in which a group of autonomous mobile robots must surround a given target. These robots are oblivious, i.e., they have no memory of the past. They use only local sensing and need no dedicated communication among themselves. We introduce, then solve the problem in which the group of autonomous mobile robots must surround a given target – we call it the “discrete multiorbit target surrounding problem” (DMTSP). We evaluate our solution using simulation and prove that our solution invariably ensures that robots enclose the target in finite time. AU - Blazovics, Laszlo AU - Lukovszki, Tamas AU - Forstner, Bertalan ID - 356 IS - 3 JF - Journal of Advanced Computational Intelligence and Intelligent Informatics TI - Surrounding robots -- A discrete localized solution for the intruder problem ER - TY - GEN AU - Ebel, Olga ID - 357 TI - Struktur und algorithmische Bestimmung stabiler Matchings in one-to-one Matching Märkten ER - TY - THES AU - Röhl, Nils ID - 358 TI - Strategic and Cooperative Games in Network Economics ER - TY - GEN AU - Töws, Manuel ID - 359 TI - Statistisches Testen von unbeweisbaren Anforderungen an Programmspezifikationen in SMT-LIB ER - TY - CHAP AU - Fischer, Christoph AU - O’Connor, Bridget N. ID - 3591 SN - 2210-5549 T2 - Professional and Practice-based Learning TI - Informal Learning in Workplaces: Understanding Learning Culture as a Challenge for Organizational and Individual Development ER - TY - CONF AB - Network appliances perform different functions on network flows and constitute an important part of an operator’s network. Normally, a set of chained network functions process network flows. Following the trend of virtualization of networks, virtualization of the network functions has also become a topic of interest. We define a model for formalizing the chaining of network functions using a context-free language. We process deployment requests and construct virtual network function graphs that can be mapped to the network. We describe the mapping as a Mixed Integer Quadratically Constrained Program (MIQCP) for finding the placement of the network functions and chaining them together considering the limited network resources and requirements of the functions. We have performed a Pareto set analysis to investigate the possible trade-offs between different optimization objectives. AU - Dräxler, Sevil AU - Keller, Matthias AU - Karl, Holger ID - 360 T2 - Proceedings of the 3rd International Conference on Cloud Networking (CloudNet) TI - Specifying and Placing Chains of Virtual Network Functions ER - TY - GEN AU - Roeske, Daniel ID - 361 TI - Simulating load-dependent operation of picocells ER - TY - GEN AU - Kaiser, Sarah ID - 362 TI - Signalisieren und Screening in Arbeitsmärkten - die Experimente von Brandts & Holt und Kübler et. al ER - TY - CONF AB - Today, software components are traded on markets in form of services. These services can also be service compositions consisting of several services. If a software architect wants to provide such a service composition in the market for trade, she needs to perform several tasks: she needs to model the composition, to discover existing services to be part of that composition, and to analyze the composition's functional correctness as well as its quality, e.g., performance. Up to now, the architect needed to find and use different tools for these tasks. Typically, these tools are not interoperable with each other. We provide the tool SeSAME that supports a software architect in all of these tasks. SeSAME is an integrated Eclipse-based tool-suite providing a comprehensive service specification language to model service compositions and existing services. Furthermore, it includes modules for service matching, functional analysis, and non-functional analysis. SeSAME is the first tool that integrates all these tasks into one tool-suite and, thereby, provides holistic support for trading software services. Thus, it contributes to a software provider's market success. AU - Arifulina, Svetlana AU - Becker, Matthias AU - Platenius, Marie Christin AU - Walther, Sven ID - 364 T2 - Proceedings of the 29th IEEE/ACM International Conference on Automated Software Engineering (ASE 2014) TI - SeSAME: Modeling and Analyzing High-Quality Service Compositions ER - TY - CONF AB - On-The-Fly (OTF) Computing constitutes an approach towards highly dynamic and individualized software markets. Based on service-oriented computing, OTF Computing is about realizing global markets of services that can be flexibly combined. We report on our current research activities, the security and privacy implications thereof, and our approaches to tackle the challenges. Furthermore, we discuss how the security and privacy challenges are addressed in research projects similar to OTF Computing. AU - Petrlic, Ronald AU - Jungmann, Alexander AU - Platenius, Marie Christin AU - Schäfer, Wilhelm AU - Sorge, Christoph ID - 366 T2 - Tagungsband der 4. Konferenz Software-Technologien und -Prozesse (STeP 2014) TI - Security and Privacy Challenges in On-The-Fly Computing ER - TY - JOUR AU - Rausch, Andreas AU - Seifried, Jürgen AU - Harteis, Christian ID - 3663 IS - Sonderheft JF - Zeitschrift für Erziehungswissenschaft TI - Ausbleibende Effekte pädagogischer Professionalisierung des betrieblichen Ausbildungspersonals: Ergebnisse einer Längsschnittstudie VL - 17 ER - TY - CHAP AU - Gijbels, David AU - Harteis, Christian AU - Donche, Vincent AU - Van den Bossche, Piet AU - Maes, Steffi AU - Temmen, Katrin ED - Harteis, Christian ED - Seifried, Jürgen ED - Rausch, Andreas ID - 3664 T2 - Discourses on Professional Learning TI - Grasping learning during internships: the case of engineering education ER - TY - CHAP AU - Harteis, Christian AU - Rausch, Andreas AU - Seifried, Jürgen ED - Harteis, Christian ED - Seifried, Jürgen ED - Rausch, Andreas ID - 3665 T2 - Discourses on Professional Learning TI - Discourses on professional learning: On the boundary between learning and working ER - TY - BOOK ED - Harteis, Christian ED - Rausch, Andreas ED - Seifried, Jürgen ID - 3666 TI - Discourses on professional learning ER - TY - CHAP AU - Harteis, Christian AU - Bauer, Johannes ED - Billett, Stephen ED - Harteis, Christian ED - Gruber, Hans ID - 3667 T2 - International handbook of research in professional and practice-based learning TI - Learning from errors at work ER - TY - BOOK ED - Billett, Stephen ED - Harteis, Christian ED - Gruber, Hans ID - 3668 TI - International handbook of research in professional and practice-based learning ER -