TY - JOUR AU - Mai, Lukas AU - Zanders, David AU - Subaşı, Ersoy AU - Ciftyurek, Engin AU - Hoppe, Christian AU - Rogalla, Detlef AU - Gilbert, Wolfram AU - Arcos, Teresa de los AU - Schierbaum, Klaus AU - Grundmeier, Guido AU - Bock, Claudia AU - Devi, Anjana ID - 22833 JF - ACS Applied Materials & Interfaces SN - 1944-8244 TI - Low-Temperature Plasma-Enhanced Atomic Layer Deposition of Tin(IV) Oxide from a Functionalized Alkyl Precursor: Fabrication and Evaluation of SnO2-Based Thin-Film Transistor Devices ER - TY - CONF AU - Hordych, Illia AU - Herbst, Sebastian AU - Nürnberger, Florian AU - Schmidt, Hans Christian AU - Orive, Alejandro Gonzalez AU - Homberg, Werner AU - Grundmeier, Guido AU - Maier, Hans Jürgen ID - 22834 T2 - PROCEEDINGS OF THE 22ND INTERNATIONAL ESAFORM CONFERENCE ON MATERIAL FORMING: ESAFORM 2019 TI - The role of heat-treatments performed before and after a cold roll bonding process of galvanized steel sheets ER - TY - CHAP AU - Tasche, Lennart AU - Hoyer, Kay-Peter AU - Zhuravlev, Evgeny AU - Grundmeier, Guido AU - Schaper, Mirko AU - Keßler, Olaf ID - 22835 SN - 2367-1181 T2 - TMS 2019 148th Annual Meeting & Exhibition Supplemental Proceedings TI - Surface Inoculation of Aluminium Powders for Additive Manufacturing Guided by Differential Fast Scanning Calorimetry ER - TY - CONF AU - Biemelt, Patrick AU - Mertin, Sven AU - Rüddenklau, Nico AU - Gausemeier, Sandra AU - Trächtler, Ansgar ID - 22970 T2 - Proceedings of the International Conference on Advances in System Simulation (SIMUL) TI - Objective Evaluation of a Novel Filter-Based Motion Cueing Algorithm in Comparison to Optimization-Based Control in Interactive Driving Simulation ER - TY - CHAP AU - Rüddenklau, Nico AU - Biemelt, Patrick AU - Mertin, Sven AU - Gausemeier, Sandra AU - Trächtler, Ansgar ID - 22971 T2 - 13th International Symposium on Automotive Lighting (ISAL) TI - Simulation-Based Lighting Function Development of High-Definition Headlamps VL - 18 ER - TY - CONF AU - Mertin, Sven AU - Buse, Dominik AU - Franke, Mario AU - Trächtler, Ansgar AU - Gausemeier, Sandra AU - Dressler, Falko ID - 22972 T2 - VDI/VDE AUTOREG 2019 TI - Proof-of-Concept einer komplexen Co-Simulationsumgebung für einen Fahrsimulator zur Untersuchung von Car2X-Kommunikations-Szenarien ER - TY - CHAP AU - Rüddenklau, Nico AU - Gausemeier, Sandra AU - Trächtler, Ansgar ID - 22973 T2 - VDI/VDE AUTOREG 2019 TI - Hardware-in-the-Loop Simulation of High-Definition Headlamp Systems ER - TY - CONF AU - Nareyko, Georgi AU - Koch, Thorsten AU - Trächtler, Ansgar ID - 22974 T2 - VDI/VDE Fachtagung AUTOREG TI - Model Predictive Control of an Active Roll Stabilization System ER - TY - JOUR AU - Gräler, Manuel AU - Wallow, Astrid AU - Henke, Christian AU - Trächtler, Ansgar ID - 22975 JF - Procedia CIRP TI - Assisted setup of forming processes: architecture for the integration of non-adjustable disturbances VL - 81 ER - TY - CONF AU - Michael, Jan AU - Henke, Christian AU - Trächtler, Ansgar ID - 22976 T2 - Syscon 2019 - The 13th Annual IEEE International Systems Conference TI - Decentralized Energy Management for Smart Home System of Systems VL - 13 ER - TY - CONF AU - Schütz, Stefan AU - Rüting, Arne Thorsten AU - Henke, Christian AU - Trächtler, Ansgar ID - 22977 T2 - Fachtagung Mechatronik 2019 TI - Regelung kollaborativer Robotersysteme zur benutzerfreundlichen, flexiblen Fertigung kleiner Losgrößen am Beispiel eines halbautomatischen Schweißvorgangs VL - 13 ER - TY - JOUR AU - Riepold, Markus AU - Maslo, Semir AU - Han, Ge AU - Henke, Christian AU - Trächtler, Ansgar ID - 22978 JF - Vibroengineering PROCEDIA TI - Open-loop linearization for piezoelectric actuator with inverse hysteresis model VL - 22 ER - TY - JOUR AU - Rüting, Arne Thorsten AU - Henke, Christian AU - Trächtler, Ansgar ID - 22979 IS - 4 JF - at-Automatisierungstechnik TI - Umsetzung einer echtzeitfähigen modellprädiktiven Trajektorienplanung für eine mehrachsige Hybridkinematik auf einer Industriesteuerung VL - 67 ER - TY - CONF AU - Traphöner, Phillip AU - Olma, Simon AU - Kohlstedt, Andreas AU - Fast, Nikolai AU - Jäker, Karl-Peter AU - Trächtler, Ansgar ID - 22980 T2 - 8th IFAC Symposium on Mechatronic Systems TI - Hardware-in-the-Loop Simulation for a Multiaxial Suspension Test Rig with a Nonlinear Spatial Vehicle Dynamics Model ER - TY - CONF AU - Traphöner, Phillip AU - Kohlstedt, Andreas AU - Olma, Simon AU - Jäker, Karl-Peter AU - Trächtler, Ansgar ID - 22981 T2 - 13. VDI/VDE Mechatronik-Tagung TI - Hardware-in-the-Loop-Simulation einer Fahrzeugachse mit aktiver Wankstabilisierung mithilfe eines hydraulischen Hexapoden ER - TY - CHAP AU - Rüddenklau, Nico AU - Biemelt, Patrick AU - Mertin, Sven AU - Gausemeier, Sandra AU - Trächtler, Ansgar ID - 22982 T2 - IARIA SysMea TI - Real-Time Lighting of High-Definition Headlamps for Night Driving Simulation VL - 12 ER - TY - BOOK AU - Kruse, Daniel ID - 22983 TI - Teilautomatisierte Parameteridentifikation für die Validierung von Dynamikmodellen im modellbasierten Entwurf mechatronischer Systeme VL - 388 ER - TY - CONF AU - Piskachev, Goran AU - Do, Lisa Nguyen Quang AU - Bodden, Eric ID - 23378 T2 - Proceedings of the 28th ACM SIGSOFT International Symposium on Software Testing and Analysis TI - Codebase-adaptive detection of security-relevant methods ER - TY - GEN AB - Background - Software companies increasingly rely on static analysis tools to detect potential bugs and security vulnerabilities in their software products. In the past decade, more and more commercial and open-source static analysis tools have been developed and are maintained. Each tool comes with its own reporting format, preventing an easy integration of multiple analysis tools in a single interface, such as the Static Analysis Server Protocol (SASP). In 2017, a collaborative effort in industry, including Microsoft and GrammaTech, has proposed the Static Analysis Results Interchange Format (SARIF) to address this issue. SARIF is a standardized format in which static analysis warnings can be encoded, to allow the import and export of analysis reports between different tools. Purpose - This paper explains the SARIF format through examples and presents a proof of concept of the connector that allows the static analysis tool CogniCrypt to generate and export its results in SARIF format. Design/Approach - We conduct a cross-sectional study between the SARIF format and CogniCrypt's output format before detailing the implementation of the connector. The study aims to find the components of interest in CogniCrypt that the SARIF export module can complete. Originality/Value - The integration of SARIF into CogniCrypt described in this paper can be reused to integrate SARIF into other static analysis tools. Conclusion - After detailing the SARIF format, we present an initial implementation to integrate SARIF into CogniCrypt. After taking advantage of all the features provided by SARIF, CogniCrypt will be able to support SASP. AU - Kummita, Sriteja AU - Piskachev, Goran ID - 23389 KW - Static Analysis KW - Static Analysis Results Interchange Format KW - SARIF KW - Static Analysis Server Protocol KW - SASP TI - Integration of the Static Analysis Results Interchange Format in CogniCrypt ER - TY - CONF AU - Gerking, Christopher AU - Budde, Ingo ID - 23395 T2 - 2019 ACM/IEEE 22nd International Conference on Model Driven Engineering Languages and Systems Companion (MODELS-C) TI - Heuristic Inference of Model Transformation Definitions from Type Mappings ER - TY - CHAP AU - Rumlich, Dominik ED - Doff, Sabine ED - Giesler, Tim ED - Tödter, Mareike ID - 21897 T2 - Die große Frage TI - Inwiefern verbessert bilingualer Sachfachunterricht die Englischkompetenzen von Schülerinnen und Schülern? ER - TY - CHAP AU - Juchem-Grundmann, Constanze AU - Matz, Frauke AU - Rumlich, Dominik ED - Falkenhagen, Charlotte ED - Funk, Hermann ED - Reinfried, Marcus ED - Volkmann, Laurenz ID - 21920 T2 - Sprachen lernen integriert: global, regional, lokal. Dokumentation zum 27. Kongress für Fremdsprachendidaktik der Deutschen Gesellschaft für Fremdsprachenforschung (DGFF). Jena, 27.-30. September 2017 TI - Freies Format 9: Nachwuchscafé ER - TY - CHAP AU - Diehr, Bärbel AU - Becker, Annette AU - Breul, Carsten AU - Frisch, Stefanie AU - Kastens, Claudia AU - Rumlich, Dominik ED - Hellmann, Katharina ED - Kreutz, Jessica ED - Schwichow, Martin ED - Zaki, Katja ID - 21923 T2 - Kohärenz in der Lehrerbildung TI - Kohärenz im Englischstudium für die Primarstufe: Das Lehr-Lern-Konzept des Wuppertaler Projekts EULE ER - TY - CONF AU - Altemeier, Katharina AU - Becker, Matthias AU - Dziwok, Stefan AU - Koch, Thorsten AU - Merschjohann, Sven ED - Mikusz, Martin ID - 21929 T2 - Projektmanagement und Vorgehensmodelle 2019 (PVM 2019) TI - Was fehlt (bisher) um Apps sicher zu entwickeln? - Prozesse, Werkzeuge und Schulungen für sichere Apps by Design ER - TY - JOUR AU - Nüske, Feliks AU - Boninsegna, Lorenzo AU - Clementi, Cecilia ID - 21944 JF - The Journal of Chemical Physics SN - 0021-9606 TI - Coarse-graining molecular systems by spectral matching ER - TY - CONF AB - Requirement changes are a major cause for project failure. A systematic approach to manage those changes from the very beginning should be an in-tegral part of each development project. Although this is accepted in both sci-ence and industry, there is no adequate approach to tackle the issue, especially in the context of interdisciplinary systems. In this paper, a secondary analysis is done to identify all information that is necessary to manage those changes efficiently. The demanded information is pictured in a reference model and then mapped with the capabilities of existing approaches. Based on this, research gaps are identified and used to guide future research efforts. AU - Gräßler, I. AU - Oleff, C. ID - 22000 T2 - Design for X - Beiträge zum 30. DfX-Symposium TI - Risikoorientierte Analyse und Handhabung von Anforderungsänderungen VL - 30 ER - TY - CONF AB - In diesem Beitrag wird ein Ansatz vorgestellt, welcher die Bewertung des Risikos von Anforderungsänderungen in der Entwicklung mechatronischer Systeme ermöglicht. Ausgehend von einer Anforderungsliste werden die Wechselwirkungen in einer Requirements Structure Matrix (RSM) teilautomatisch erfasst. Parallel werden Anforderungen in Bezug auf ihren Ursprung („Einflussbereich“) kategorisiert und darauf aufbauend priorisiert. Diese Priorisierung basiert auf dem Veränderungsrisiko und wird durch die drei Kriterien „Dynamik“, „Unsicherheit der Wissensbasis“ und „Relevanz für den Entwicklungsprozess“ charakterisiert. Das Vorgehen wird anhand strukturierter Interviews mit Projektleitern und Entwicklern und der Fallstudie eines Pedelecs als mechatronischem System validiert. Durch die Anwendung der Methode können disziplinübergreifende Abhängigkeiten von Anforderungen zur Reduktion von Iterationen in der Entwicklung mechatronischer Systeme – wie dem Pedelec – berücksichtigt werden. AU - Gräßler, I. AU - Oleff, C. AU - Scholle, P. ID - 22001 T2 - Fachtagung Mechatronik 2019 Paderborn TI - Priorisierung von Anforderungen für die Entwicklung mechatronischer Systeme ER - TY - CONF AB - In diesem Beitrag wird ein Ansatz vorgestellt, welcher die Bewertung des Risikos von Anforderungsänderungen in der Entwicklung mechatronischer Systeme ermöglicht. Ausgehend von einer Anforderungsliste werden die Wechselwirkungen in einer Requirements Structure Matrix (RSM) teilautomatisch erfasst. Parallel werden Anforderungen in Bezug auf ihren Ursprung („Einflussbereich“) kategorisiert und darauf aufbauend priorisiert. Diese Priorisierung basiert auf dem Veränderungsrisiko und wird durch die drei Kriterien „Dynamik“, „Unsicherheit der Wissensbasis“ und „Relevanz für den Entwicklungsprozess“ charakterisiert. Das Vorgehen wird anhand strukturierter Interviews mit Projektleitern und Entwicklern und der Fallstudie eines Pedelecs als mechatronischem System validiert. Durch die Anwendung der Methode können disziplinübergreifende Abhängigkeiten von Anforderungen zur Reduktion von Iterationen in der Entwicklung mechatronischer Systeme – wie dem Pedelec – berücksichtigt werden. AU - Gräßler, I. AU - Thiele, H. AU - Oleff, C. AU - Scholle, P. AU - Schulze, V. ID - 22002 T2 - International Conference on Engineering Design (ICED19) TI - Priorisierung von Anforderungen für die Entwicklung mechatronischer Systeme ER - TY - CONF AB - Due to the great popularity of the Fused Deposition Modeling (FDM) process, the material market is growing. In particular, processing of high-temperature materials such as PEEK is demanding. The aim of the investigations is to test different PEEK materials regarding their processability in the FDM process. An unreinforced PEEK, a thermally conductive PEEK as well as a carbon fiber reinforced PEEK are investigated. The processability is assessed with the help of the weld seam strength. The assessment of the weld seam strength is carried out by building tests. For this purpose, a special method developed at the DMRC is used. In addition, a welding width factor between the strands deposited on each other is calculated and compared. Finally, a welding factor is determined to enable the comparison between the different materials. With this procedure, the influence of varying nozzle and build chamber temperatures on the achievable weld seam strengths is evaluated. AU - Moritzer, Elmar AU - Wächter, Julian AU - Elsner, M. ID - 22022 T2 - 30th Annual International Solid Freeform Fabrication Symposium TI - Investigation of the Processability of Different PEEK Materials in the FDM Process with Regard to the Weld Seam Strength VL - 30 ER - TY - GEN AU - Kliensieck, Katrin AU - John, Thomas AU - Kundisch, Dennis ID - 8954 T2 - 11th Biennial Procrastination Research Conference TI - Applied procrastination research: Tackling procrastination by gamification ER - TY - CONF AU - Szopinski, Daniel ID - 9261 T2 - Proceedings of the 32nd Bled eConference TI - Jumping, dumping, and pumping: Three mental principles for idea generation to activate software-based tools in business model innovation ER - TY - CONF AU - Szopinski, Daniel AU - Schoormann, T. AU - Kundisch, Dennis ID - 9263 T2 - Proceedings of the 27th European Conference on Information Systems (ECIS) TI - Because your taxonomy is worth it: Towards a framework for taxonomy evaluation ER - TY - JOUR AU - Kremer, H.-Hugo AU - Rüsing, Peter ID - 9267 JF - berufsbildung Zeitschrift für Theorie-Praxis-Dialog TI - Digitale Transformation – Rezeption aus Sicht der Akteure in der Fachschule am Berufskolleg ER - TY - CONF AB - As 5G and network function virtualization (NFV) are maturing, it becomes crucial to demonstrate their feasibility and benefits by means of vertical scenarios. While 5GPPP has identified smart manufacturing as one of the most important vertical industries, there is still a lack of specific, practical use cases. Using the experience from a large-scale manufacturing company, Weidm{\"u}ller Group, we present a detailed use case that reflects the needs of real-world manufacturers. We also propose an architecture with specific network services and virtual network functions (VNFs) that realize the use case in practice. As a proof of concept, we implement the required services and deploy them on an emulation-based prototyping platform. Our experimental results indicate that a fully virtualized smart manufacturing use case is not only feasible but also reduces machine interconnection and configuration time and thus improves productivity by orders of magnitude. AU - Schneider, Stefan Balthasar AU - Peuster, Manuel AU - Behnke, Daniel AU - Marcel, Müller AU - Bök, Patrick-Benjamin AU - Karl, Holger ID - 9270 KW - 5g KW - vertical KW - smart manufacturing KW - nfv T2 - European Conference on Networks and Communications (EuCNC) TI - Putting 5G into Production: Realizing a Smart Manufacturing Vertical Scenario ER - TY - CONF AB - In the last years, store-oriented software ecosystems are gaining more and more attention from a business perspective. In these ecosystems, third-party developers upload extensions to a store which can be downloaded by end users. While the functional scope of such ecosystems is relatively similar, the underlying business models differ greatly in and between their different product domains (e.g. Mobile Phone, Smart TV). This variability, in turn, makes it challenging for store providers to find a business model that fits their own needs. To handle this variability, we introduce the Business Variability Model (BVM) for modeling business model decisions. The basis of these decisions is the analysis of 60 store-oriented software ecosystems in eight different product domains. We map their business model decisions to the Business Model Canvas, condense them to a variability model and discuss particular variants and their dependencies. Our work provides store providers a new approach for modeling business model decisions together with insights of existing business models. This, in turn, supports them in creating new and improving existing business models. AU - Gottschalk, Sebastian AU - Rittmeier, Florian AU - Engels, Gregor ED - Shishkov, Boris ID - 9275 KW - Software Ecosystems KW - Business Models KW - Variabilities T2 - Business Modeling and Software Design TI - Business Models of Store-Oriented Software Ecosystems: A Variability Modeling Approach ER - TY - CONF AU - Yigitbas, Enes AU - Josifovska, Klementina AU - Jovanovikj, Ivan AU - Kalinci, Ferhat AU - Anjorin, Anthony AU - Engels, Gregor ID - 9276 T2 - Proceedings of the 11th ACM SIGCHI Symposium on Engineering Interactive Computing Systems (EICS 2019) TI - Component-Based Development of Adaptive User Interfaces ER - TY - GEN AU - Sharma, Arnab AU - Wehrheim, Heike ID - 7752 SN - 978-3-88579-686-2 T2 - Proceedings of the Software Engineering Conference (SE) TI - Testing Balancedness of ML Algorithms VL - P-292 ER - TY - JOUR AU - Henksmeier, Tobias AU - Shvarkov, Stepan AU - Trapp, Alexander AU - Reuter, Dirk ID - 7800 JF - Journal of Crystal Growth SN - 0022-0248 TI - Molecular beam epitaxy growth and temperature-dependent electrical characterization of carbon-doped GaAs on GaAs(1 1 1)B VL - 512 ER - TY - JOUR AB - Models on network formation have often been extended to include the potential of network disruption in recent years. Whereas the theoretical research on network formation under the threat of disruption has thus gained prominence, hardly any experimental research exists so far. In this paper, we therefore experimentally study the emergence of networks including the aspect of a known external threat by relating theoretical predictions by Dzuibiński and Goyal (2013) to actual observed behaviour. We deal with the question if subjects in the role of a strategic Designer are able to form safe networks for least costs while facing a strategic Adversary who is going to attack their networks. Varying the costs for protecting nodes, we designed and tested two treatments with different predictions for the equilibrium network and investigated whether one of the least cost equilibrium networks was more likely to be reached. Furthermore, the influence of the subjects’ farsightedness on their decision-making process was elicited and analysed. We find that while subjects are able to build safe networks in both treatments, equilibrium networks are only built in one of the two treatments. In the other treatment, predominantly safe networks are built but they are not for least costs. Additionally, we find that farsightedness –as measured in our experiment– has no influence on whether subjects are able to build safe or least cost equilibrium networks. Two robustness settings with a reduced external threat or more liberties to modify the initial networks qualitatively confirm our results. Overall, in this experiment observed behaviour is only partially in line with the theoretical predictions by Dzuibiński and Goyal (2013). AU - Endres, Angelika Elfriede AU - Recker, Sonja AU - Mir Djawadi, Behnud AU - Hoyer, Britta ID - 80 JF - Journal of Economic Behavior and Organization TI - Network Formation and Disruption - An Experiment: Are equilibrium networks too complex? VL - 157 ER - TY - THES AB - This thesis investigates approximate pure Nash equilibria in different game-theoretic models. In such an outcome, no player can improve her objective by more than a given factor through a deviation to another strategy. In the first part, we investigate two variants of Congestion Games in which the existence of pure Nash equilibria is guaranteed through a potential function argument. However, the computation of such equilibria might be hard. We construct and analyze approximation algorithms that enable the computation of states with low approximation factors in polynomial time. To show their guarantees we use sub games among players, bound the potential function values of arbitrary states and exploit a connection between Shapley and proportional cost shares. Furthermore, we apply and analyze sampling techniques for the computation of approximate Shapley values in different settings. In the second part, we concentrate on the existence of approximate pure Nash equilibria in games in which no pure Nash equilibria exist in general. In the model of Coevolving Opinion Formation Games, we bound the approximation guarantees for natural states nearly independent of the specific definition of the players' neighborhoods by applying a concept of virtual costs. For the special case of only one influential neighbor, we even show lower approximation factors for a natural strategy. Then, we investigate a two-sided Facility Location Game among facilities and clients on a line with an objective function consisting of distance and load. We show tight bounds on the approximation factor for settings with three facilities and infinitely many clients. For the general scenario with an arbitrary number of facilities, we bound the approximation factor for two promising candidates, namely facilities that are uniformly distributed and which are paired. AU - Feldotto, Matthias ID - 8080 TI - Approximate Pure Nash Equilibria in Congestion, Opinion Formation and Facility Location Games ER - TY - GEN AU - Maaz, Mohammad Urf AU - Sprenger, Alexander AU - Hellebrand, Sybille ID - 8112 KW - WORKSHOP TI - A Hybrid Space Compactor for Varying X-Rates ER - TY - JOUR AB - The ongoing softwarization of networks creates a big need for automated testing solutions to ensure service quality. This becomes even more important if agile environments with short time to market and high demands, in terms of service performance and availability, are considered. In this paper, we introduce a novel testing solution for virtualized, microservice-based network functions and services, which we base on TTCN-3, a well known testing language defined by the European standards institute (ETSI). We use TTCN-3 not only for functional testing but also answer the question whether TTCN-3 can be used for performance profiling tasks as well. Finally, we demonstrate the proposed concepts and solutions in a case study using our open-source prototype to test and profile a chained network service. AU - Peuster, Manuel AU - Dröge, Christian AU - Boos, Clemens AU - Karl, Holger ID - 8113 JF - ICT Express SN - 2405-9595 TI - Joint testing and profiling of microservice-based network services using TTCN-3 ER - TY - CONF AU - Dräxler, Sevil AU - Karl, Holger ID - 8240 T2 - 5th IEEE International Conference on Network Softwarization (NetSoft) 2019 TI - SPRING: Scaling, Placement, and Routing of Heterogeneous Services with Flexible Structures ER - TY - GEN AU - Bäumer, Frederik Simon AU - Geierhos, Michaela ID - 8312 KW - OTF Computing KW - Natural Language Processing KW - Requirements Engineering T2 - encyclopedia.pub TI - Requirements Engineering in OTF-Computing ER - TY - JOUR AB - In disaster operations management, a challenging task for rescue organizations occurs when they have to assign and schedule their rescue units to emerging incidents under time pressure in order to reduce the overall resulting harm. Of particular importance in practical scenarios is the need to consider collaboration of rescue units. This task has hardly been addressed in the literature. We contribute to both modeling and solving this problem by (1) conceptualizing the situation as a type of scheduling problem, (2) modeling it as a binary linear minimization problem, (3) suggesting a branch-and-price algorithm, which can serve as both an exact and heuristic solution procedure, and (4) conducting computational experiments - including a sensitivity analysis of the effects of exogenous model parameters on execution times and objective value improvements over a heuristic suggested in the literature - for different practical disaster scenarios. The results of our computational experiments show that most problem instances of practically feasible size can be solved to optimality within ten minutes. Furthermore, even when our algorithm is terminated once the first feasible solution has been found, this solution is in almost all cases competitive to the optimal solution and substantially better than the solution obtained by the best known algorithm from the literature. This performance of our branch-and-price algorithm enables rescue organizations to apply our procedure in practice, even when the time for decision making is limited to a few minutes. By addressing a very general type of scheduling problem, our approach applies to various scheduling situations. AU - Rauchecker, Gerhard AU - Schryen, Guido ID - 5674 IS - 1 JF - European Journal of Operational Research KW - OR in disaster relief KW - disaster operations management KW - scheduling KW - branch-and-price TI - An Exact Branch-and-Price Algorithm for Scheduling Rescue Units during Disaster Response VL - 272 ER - TY - CONF AU - Wolf, Verena AU - Bartelheimer, Christian AU - Beverungen, Daniel ID - 4517 T2 - Proceedings of the 52nd Hawaii International Conference on System Sciences (HICSS-52) TI - Digitalization of Work Systems—An Organizational Routines’ Perspective ER - TY - JOUR AB - We exploit a unique sample of structured financial products (SFPs) to analyze pricing and issuance dependencies among different types of such market‐linked investment vehicles. Our study provides evidence of cross‐pricing between products with complementary payoff profiles. Such dependencies may be explained by issuers’ efforts to generate order flow for products that supplement their current SFP risk exposure. Additionally, we observe issuance patterns in line with the argument that issuers exploit the complementarity payout profiles when bringing SFPs to market. Our study emphasizes cross‐pricing from a perspective not previously considered in the literature. AU - Pelster, Matthias AU - Schertler, Andrea ID - 4561 IS - 3 JF - Journal of Futures Markets KW - cross‐pricing KW - discount certificate KW - hedging KW - issuance decisions KW - put warrants KW - structured financial products TI - Pricing and issuance dependencies in SFP portfolios VL - 39 ER - TY - JOUR AU - Schmiedel, T. AU - Müller, Oliver AU - vom Brocke, J. ID - 4682 JF - Organizational Research Methods KW - online reviews KW - organizational culture KW - structural topic model KW - topic modeling KW - tutorial TI - Topic Modeling as a Strategy of Inquiry in Organizational Research: A Tutorial With an Application Example on Organizational Culture ER - TY - JOUR AU - Beverungen, Daniel AU - Müller, Oliver AU - Matzner, Martin AU - Mendling, Jan AU - vom Brocke, Jan ID - 4684 JF - Electronic Markets KW - Boundary object KW - Internet of things KW - Service science KW - Smart products KW - Smart service SN - 14228890 TI - Conceptualizing smart service systems ER - TY - CHAP AU - Harteis, Christian ED - Bahl, Anke ED - Dietzen, Anke ID - 4798 T2 - Work-based learning as a pathway to competence-based education TI - Supporting learning at work in an era of digitalization of work ER - TY - JOUR AU - Gutt, Dominik AU - Neumann, Jürgen AU - Zimmermann, Steffen AU - Kundisch, Dennis AU - Chen, J. ID - 7413 IS - 2 JF - Journal of Strategic Information Systems TI - Design of Review Systems – A Strategic Instrument to shape Online Reviewing Behavior and Economic Outcomes VL - 28 ER - TY - CHAP AU - Rittmeier, Florian AU - Engels, Gregor AU - Teetz, Alexander ED - Daniel, Florian ED - Sheng, Quan Z. ED - Motahari, Hamid ID - 7430 SN - 1865-1348 T2 - Business Process Management Workshops TI - Process Weakness Patterns for the Identification of Digitalization Potentials in Business Processes VL - 342 ER - TY - CHAP AU - Kremer, H.-Hugo ED - Pilz, M. ED - Breuing, K. ED - Schumann, S. ID - 7465 T2 - Berufsbildung zwischen Tradition und Moderne TI - Praxissemester und Professionalisierung - Überlegungen zur Gestaltung einer universitären Begleitkonzeption ER - TY - GEN AU - Kundisch, Dennis AU - Beverungen, Daniel ID - 7622 TI - Als Wirtschaftsinformatiker die digitale Transformation in Organisationen gestalten ER - TY - GEN AU - Zhang, Shikun ID - 7623 TI - Combining Android Apps for Analysis Purposes ER - TY - GEN AU - Selbach, Nils ID - 7628 TI - Modeling Crypto API usages in OpenSSL's EVP library ER - TY - GEN AB - In this paper, we analyze a credence goods model adjusted to the health care market with regulated prices and heterogeneous experts. Experts are physicians and are assumed to differ in their cost of treating a small problem. We investigate the effects of this heterogeneity on the physicians’ level of fraud and on the patients’ search for second opinions. We find that introducing a fraction of more efficient low-cost physicians always increases social welfare, but in some cases only because of the raised physicians’ surplus. When the low-cost physicians’ cost advantage is small, imposing a share of low-cost physicians does not change the equilibrium fraud level. When the cost advantage is large, however, different changes in the fraud level occur depending on the share of generated low-cost physicians, the search rate and the initial level of fraud. AU - Heinzel, Joachim Maria Josef ID - 7630 KW - credence goods KW - treatment efficiency KW - heterogeneous experts KW - overcharging TI - Credence Goods Markets with Heterogeneous Experts VL - 118 ER - TY - CONF AU - Sharma, Arnab AU - Wehrheim, Heike ID - 7635 T2 - IEEE International Conference on Software Testing, Verification and Validation (ICST) TI - Testing Machine Learning Algorithms for Balanced Data Usage ER - TY - CONF AB - Self-stabilizing overlay networks have the advantage of being able to recover from illegal states and faults. However, the majority of these networks cannot give any guarantees on their functionality while the recovery process is going on. We are especially interested in searchability, i.e., the functionality that search messages for a specific node are answered successfully if a node exists in the network. In this paper we investigate overlay networks that ensure the maintenance of monotonic searchability while the self-stabilization is going on. More precisely, once a search message from node u to another node v is successfully delivered, all future search messages from u to v succeed as well. We extend the existing research by focusing on skip graphs and present a solution for two scenarios: (i) the goal topology is a super graph of the perfect skip graph and (ii) the goal topology is exactly the perfect skip graph. AU - Luo, Linghui AU - Scheideler, Christian AU - Strothmann, Thim Frederik ID - 7636 T2 - Proceedings of the 2019 IEEE 33rd International Parallel and Distributed Processing Symposium (IPDPS '19) TI - MultiSkipGraph: A Self-stabilizing Overlay Network that Maintains Monotonic Searchability ER - TY - CONF AU - Heindorf, Stefan AU - Scholten, Yan AU - Engels, Gregor AU - Potthast, Martin ID - 7668 T2 - WWW TI - Debiasing Vandalism Detection Models at Wikidata ER - TY - CONF AU - Josifovska, Klementina AU - Yigitbas, Enes AU - Engels, Gregor ID - 7669 T2 - Proceedings of the 21st International Conference on Human-Computer Interaction (HCII 2019) TI - A Digital Twin-Based Multi-Modal UI Adaptation Framework for Assistance Systems in Industry 4.0 VL - 11568 ER - TY - JOUR AU - Riebler, Heinrich AU - Vaz, Gavin Francis AU - Kenter, Tobias AU - Plessl, Christian ID - 7689 IS - 2 JF - ACM Trans. Archit. Code Optim. (TACO) KW - htrop TI - Transparent Acceleration for Heterogeneous Platforms with Compilation to OpenCL VL - 16 ER - TY - GEN AU - Nutt, Florian ID - 8351 TI - Vertrauensbildung und Reputationssysteme auf digitalen B2B-Märkten - Ein klassifizierender Überblick ER - TY - JOUR AB - The vision of On-the-Fly (OTF) Computing is to compose and provide software services ad hoc, based on requirement descriptions in natural language. Since non-technical users write their software requirements themselves and in unrestricted natural language, deficits occur such as inaccuracy and incompleteness. These deficits are usually met by natural language processing methods, which have to face special challenges in OTF Computing because maximum automation is the goal. In this paper, we present current automatic approaches for solving inaccuracies and incompletenesses in natural language requirement descriptions and elaborate open challenges. In particular, we will discuss the necessity of domain-specific resources and show why, despite far-reaching automation, an intelligent and guided integration of end users into the compensation process is required. In this context, we present our idea of a chat bot that integrates users into the compensation process depending on the given circumstances. AU - Bäumer, Frederik Simon AU - Kersting, Joschka AU - Geierhos, Michaela ID - 8424 IS - 1 JF - Computers KW - Inaccuracy Detection KW - Natural Language Software Requirements KW - Chat Bot SN - 2073-431X TI - Natural Language Processing in OTF Computing: Challenges and the Need for Interactive Approaches VL - 8 ER - TY - CONF AU - Josifovska, Klementina AU - Yigitbas, Enes AU - Engels, Gregor ID - 8495 T2 - Proceedings of 5th International Workshop on Software Engineering for Smart Cyber-Physical Systems (SEsCPS'19) TI - Reference Framework for Digital Twins within Cyber-Physical Systems ER - TY - CONF AU - Jenert, Tobias ID - 8520 TI - Wie unterrichten wir Wirtschaft? Förderung fachbezogener Reflexion angehender Wirtschaftslehrender ER - TY - GEN AU - Seemann, Nina AU - Merten, Marie-Luis ED - Sahle, Patrick ID - 8529 SN - 978-3-00-062166-6 T2 - DHd 2019 Digital Humanities: multimedial & multimodal. Konferenzabstracts TI - UPB-Annotate: Ein maßgeschneidertes Toolkit für historische Texte ER - TY - GEN AU - Beckhoff, Yvonne Maria ID - 8530 TI - There's an App for that - Ein Literaturüberblick über Erfolgsfaktoren für App-Downloads ER - TY - GEN AU - Bäumer, Frederik Simon AU - Buff, Bianca AU - Geierhos, Michaela ED - Sahle, Patrick ID - 8532 SN - 978-3-00-062166-6 T2 - DHd 2019 Digital Humanities: multimedial & multimodal. Konferenzabstracts TI - Potentielle Privatsphäreverletzungen aufdecken und automatisiert sichtbar machen ER - TY - CONF AB - We propose two protocols for distributed priority queues (denoted by 'heap' for simplicity in this paper) called SKEAP and SEAP. SKEAP realizes a distributed heap for a constant amount of priorities and SEAP one for an arbitrary amount. Both protocols build on an overlay, which induces an aggregation tree on which heap operations are aggregated in batches, ensuring that our protocols scale even for a high rate of incoming requests. As part of SEAP we provide a novel distributed protocol for the k-selection problem that runs in time O(log n) w.h.p. SKEAP guarantees sequential consistency for its heap operations, while SEAP guarantees serializability. SKEAP and SEAP provide logarithmic runtimes w.h.p. on all their operations. SKEAP and SEAP provide logarithmic runtimes w.h.p. on all their operations with SEAP having to use only O(log n) bit messages. AU - Feldmann, Michael AU - Scheideler, Christian ID - 8534 T2 - Proceedings of the 31st ACM Symposium on Parallelism in Algorithms and Architectures (SPAA) TI - Skeap & Seap: Scalable Distributed Priority Queues for Constant and Arbitrary Priorities ER - TY - JOUR AB - Dieser Artikel erörtert, ob in studentischen Kleingruppenprojekten in der Informatik Kreativität und die Erarbeitung kreativer Ideen explizit gefördert werden kann. Dazu wird ein Seminarkonzept detailliert vorgestellt, welches auf zwei Grundkonzepten der Informatikpraxis beruht: agiles Projektvorgehen und Prototyping. Die Teilnehmenden des Seminars wurden gezielt in einen Kreativitätsprozess geleitet, indem sie für gegebene moderne Technologien (Virtual Reality, Augmented Reality, Drohnen, etc.) neuartige Nutzungsszenarien entwickeln sollten. Um zu evaluieren, ob das Lehrkonzept erfolgreich ist, wird sowohl die produktbezogene als auch die prozessbezogene Kreativität betrachtet. Für die produktbezogene Kreativität werden die von den Teilnehmenden erstellten Projektideen inklusive der benutzten Prototypingtechnik vorgestellt und bewertet. Die Teilnehmenden haben nicht nur eine enorme Breite an Ideen entwickelt (in der Summe ca. 40 bei 16 Teilnehmenden), sondern insbesondere auch acht Ideen im Verlaufe des Seminars sehr konkret weiterentwickelt. Hinsichtlich der prozessbezogenen Kreativität wird das Lehrkonzept durch mehrere Fragebögen eruiert. Die Studierenden sind mit dem Seminar, der Herangehensweise und den Ergebnissen sehr zufrieden, was unter anderem durch die äußerst positive studentische Veranstaltungskritik (u.a. 1,0 für den Gesamteindruck sowie Atmosphäre in der Veranstaltung) und die Auswertung der Evaluationsfragebögen unterstrichen wird. Auch von externen Beobachtern werden die erarbeiteten Ergebnisse und der Einsatz von Prototyping als sehr positiv bewertet. AU - Strothmann, Thim Frederik ID - 8543 JF - die hochschullehre TI - Förderung von Kreativität in studentischen Kleingruppenprojekten in der Informatik – Ein Prototyping-basierter Ansatz ER - TY - CHAP AU - Kuklinski, Christiane AU - Leis, Elena AU - Liebendörfer, Michael AU - Hochmuth, Reinhard ID - 8577 T2 - Beiträge zum Mathematikunterricht 2019 TI - Erklärung von Mathematikleistung im Ingenieursstudium ER - TY - JOUR AU - Yigitbas, Enes AU - Schomaker, Gunnar ID - 8638 JF - International Tube Association (ITAtube) Journal TI - WindCORES - Digital Transformation with Renewable Energy ER - TY - JOUR AU - Deppe, M. AU - Gerlach, J. W. AU - Shvarkov, S. AU - Rogalla, D. AU - Becker, H.-W. AU - Reuter, Dirk AU - As, Donat Josef ID - 8646 JF - Journal of Applied Physics SN - 0021-8979 TI - Germanium doping of cubic GaN grown by molecular beam epitaxy ER - TY - JOUR AU - Sprenger, Alexander AU - Hellebrand, Sybille ID - 8667 IS - 1 JF - Journal of Circuits, Systems and Computers SN - 0218-1266 TI - Divide and Compact - Stochastic Space Compaction for Faster-than-At-Speed Test VL - 28 ER - TY - CONF AB - 5G together with software defined networking (SDN) and network function virtualisation (NFV) will enable a wide variety of vertical use cases. One of them is the smart man- ufacturing case which utilises 5G networks to interconnect production machines, machine parks, and factory sites to enable new possibilities in terms of flexibility, automation, and novel applications (industry 4.0). However, the availability of realistic and practical proof-of-concepts for those smart manufacturing scenarios is still limited. This demo fills this gap by not only showing a real-world smart manufacturing application entirely implemented using NFV concepts, but also a lightweight prototyping framework that simplifies the realisation of vertical NFV proof-of-concepts. Dur- ing the demo, we show how an NFV-based smart manufacturing scenario can be specified, on-boarded, and instantiated before we demonstrate how the presented NFV services simplify machine data collection, aggregation, and analysis. AU - Peuster, Manuel AU - Schneider, Stefan Balthasar AU - Behnke, Daniel AU - Müller, Marcel AU - Bök, Patrick-Benjamin AU - Karl, Holger ID - 8792 T2 - 5th IEEE International Conference on Network Softwarization (NetSoft 2019) TI - Prototyping and Demonstrating 5G Verticals: The Smart Manufacturing Case ER - TY - JOUR AB - Softwarized networks are the key enabler for elastic, on-demand service deployments of virtualized network functions. They allow to dynamically steer traffic through the network when new network functions are instantiated, or old ones are terminated. These scenarios become in particular challenging when stateful functions are involved, necessitating state management solutions to migrate state between the functions. The problem with existing solutions is that they typically embrace state migration and flow rerouting jointly, imposing a huge set of requirements on the on-boarded virtualized network functions (VNFs), eg, solution-specific state management interfaces. To change this, we introduce the seamless handover protocol (SHarP). An easy-to-use, loss-less, and order-preserving flow rerouting mechanism that is not fixed to a single state management approach. Using SHarP, VNF vendors are empowered to implement or use the state management solution of their choice. SHarP supports these solutions with additional information when flows are migrated. In this paper, we present SHarP's design, its open source prototype implementation, and show how SHarP significantly reduces the buffer usage at a central (SDN) controller, which is a typical bottleneck in state-of-the-art solutions. Our experiments show that SHarP uses a constant amount of controller buffer, irrespective of the time taken to migrate the VNF state. AU - Peuster, Manuel AU - Küttner, Hannes AU - Karl, Holger ID - 8795 JF - International Journal of Network Management SN - 1055-7148 TI - A flow handover protocol to support state migration in softwarized networks ER - TY - JOUR AB - Free from phase-matching constraints, plasmonic metasurfaces have contributed significantly to the control of optical nonlinearity and enhancement of nonlinear generation efficiency by engineering subwavelength meta-atoms. However, high dissipative losses and inevitable thermal heating limit their applicability in nonlinear nanophotonics. All-dielectric metasurfaces, supporting both electric and magnetic Mie-type resonances in their nanostructures, have appeared as a promising alternative to nonlinear plasmonics. High-index dielectric nanostructures, allowing additional magnetic resonances, can induce magnetic nonlinear effects, which, along with electric nonlinearities, increase the nonlinear conversion efficiency. In addition, low dissipative losses and high damage thresholds provide an extra degree of freedom for operating at high pump intensities, resulting in a considerable enhancement of the nonlinear processes. We discuss the current state of the art in the intensely developing area of all-dielectric nonlinear nanostructures and metasurfaces, including the role of Mie modes, Fano resonances, and anapole moments for harmonic generation, wave mixing, and ultrafast optical switching. Furthermore, we review the recent progress in the nonlinear phase and wavefront control using all-dielectric metasurfaces. We discuss techniques to realize all-dielectric metasurfaces for multifunctional applications and generation of second-order nonlinear processes from complementary metal–oxide–semiconductor-compatible materials. AU - Sain, Basudeb AU - Meier, Cedrik AU - Zentgraf, Thomas ID - 8797 IS - 2 JF - Advanced Photonics SN - 2577-5421 TI - Nonlinear optics in all-dielectric nanoantennas and metasurfaces: a review VL - 1 ER - TY - GEN AU - Groh, Andreas ID - 8799 TI - Ideenbewertung durch die Crowd - Ein klassifizierender Literaturüberblick ER - TY - CONF AU - Jovanovikj, Ivan AU - Yigitbas, Enes AU - Gerth, Christian AU - Sauer, Stefan AU - Engels, Gregor ED - Cappiello, Cinzia ED - Ruiz, Marcela ID - 8833 T2 - Information Systems Engineering in Responsible Information Systems - CAiSE Forum 2019, Rome, Italy, June 3-7, 2019, Proceedings TI - Detection and Resolution of Data-Flow Differences in Business Process Models VL - 350 ER - TY - CONF AU - Jovanovikj, Ivan AU - Yigitbas, Enes AU - Grieger, Marvin AU - Sauer, Stefan AU - Engels, Gregor ID - 8835 SN - 978-989-758-358-2 T2 - Proceedings of the 7th International Conference on Model-Driven Engineering and Software Development - Volume 1: MODELSWARD, TI - Modular Construction of Context-Specific Test Case Migration Methods ER - TY - GEN AU - Fath, Jerome Louis ID - 8840 TI - # Fail - Ein Literaturüberblick über Online-Bewertungen zu Produkt- und Dienstleistungsfehlern ER - TY - GEN AU - Szopinski, Daniel ID - 8854 T2 - 3rd Business Model Conference TI - Activate software-based business model development tools: An exploratory study ER - TY - CONF AU - Szopinski, Daniel AU - Schoormann, T. AU - Kundisch, Dennis ID - 8856 T2 - Proceedings of the 14th International Conference on Design Science Research in Information Systems and Technology (DESRIST) TI - The long tail of taxonomy evaluation criteria: A structured overview ER - TY - CONF AU - Anjorin, Anthony AU - Yigitbas, Enes AU - Kaindl, Hermann ID - 8861 T2 - Proceedings of the 8th International Workshop on Bidirectional Transformations (Bx 2019) TI - Consistent Runtime Adaptation of User Interfaces VL - 2355 ER - TY - CONF AU - Jansen, Klaus AU - Maack, Marten AU - Mäcker, Alexander ID - 8866 T2 - Proceedings of the 33rd IEEE International Parallel and Distributed Processing Symposium (IPDPS) TI - Scheduling on (Un-)Related Machines with Setup Times ER - TY - GEN AU - Wever, Marcel Dominik AU - Mohr, Felix AU - Hüllermeier, Eyke AU - Hetzer, Alexander ID - 8868 TI - Towards Automated Machine Learning for Multi-Label Classification ER - TY - CONF AU - Augustine, John AU - Ghaffari, Mohsen AU - Gmyr, Robert AU - Hinnenthal, Kristian AU - Kuhn, Fabian AU - Li, Jason AU - Scheideler, Christian ID - 8871 T2 - Proceedings of the 31st ACM Symposium on Parallelism in Algorithms and Architectures TI - Distributed Computation in Node-Capacitated Networks ER - TY - JOUR AB - We consider light scattering from a new type of model particle whose shape is represented in the form of a generalized ellipsoid having N foci, where N is greater than two. Such particles can be convex as well as concave. We use the geometrical optics approximation to study the light scattering from 3-foci particles. Non-zero elements of the scattering matrix are calculated for ensembles of randomly oriented independent transparent particles, m = n + i0. Several internal reflection orders are considered separately. It was found that the transmission-transmission (TT) and transmission-reflectance-transmission (TRT) components dominate in the formation of intensity of scattered light at large and small phase angles, respectively. We found a significant role of the total internal reflections of the TRT in the middle portion of the phase angle range. The main factors in the formation of positive linear polarization are the R and TRT component. The TT component is responsible for the formation of negative polarization branch at large phase angles. AU - Stankevich, Dmitriy AU - Hradyska, Larissa AU - Shkuratov, Yuriy AU - Grynko, Yevgen AU - Videen, Gorden AU - Förstner, Jens ID - 8872 JF - Journal of Quantitative Spectroscopy and Radiative Transfer KW - tet_topic_scattering SN - 0022-4073 TI - Light scattering by 3-Foci convex and concave particles in the geometrical optics approximation VL - 231 ER - TY - GEN AB - We analyze a credence goods market adapted to a health care market with regulated prices, where physicians are heterogeneous regarding their fairness concerns. The opportunistic physicians only consider monetary incentives while the fair physicians, in addition to a monetary payoff, gain an non-monetary utility from being honest towards patients. We investigate how this heterogeneity affects the physicians’ equilibrium level of overcharging and the patients’ search for second opinions (which determines overall welfare). The impact of the heterogeneity on the fraud level is ambiguous and depends on several factors such as the size of the fairness utility, the share of fair physicians, the search level and the initial fraud level. Introducing heterogeneity does not affect the fraud or the search level when the share of fair physicians is small. However, when social welfare is not at its maximum, social welfare always increases if we introduce a sufficiently large share of fair physicians. AU - Heinzel, Joachim Maria Josef ID - 8873 KW - credence goods KW - heterogeneous experts KW - fairness KW - overcharging TI - Credence Goods Markets with Fair and Opportunistic Experts VL - 119 ER - TY - JOUR AU - Yigitbas, Enes AU - Jovanovikj, Ivan AU - Sauer, Stefan AU - Engels, Gregor ID - 8880 IS - 2 JF - Softwaretechnik-Trends, Proceedings of the 21st Workshop Software-Reengineering & Evolution (WSRE) & 10th Workshop Design for Future (DFF) TI - Towards Model-based Development of Context-aware Augmented Reality Applications VL - 39 ER - TY - JOUR AU - Pelster, Matthias AU - Breitmayer, Bastian ID - 8892 JF - Journal of Economic Behavior & Organization SN - 0167-2681 TI - Attracting attention from peers: Excitement in social trading VL - 161 ER - TY - CHAP AU - Daymude, Joshua J. AU - Hinnenthal, Kristian AU - Richa, Andréa W. AU - Scheideler, Christian ID - 9599 T2 - Distributed Computing by Mobile Entities, Current Research in Moving and Computing. TI - Computing by Programmable Particles ER - TY - CONF AB - The ability to openly evaluate products, locations and services is an achievement of the Web 2.0. It has never been easier to inform oneself about the quality of products or services and possible alternatives. Forming one’s own opinion based on the impressions of other people can lead to better experiences. However, this presupposes trust in one’s fellows as well as in the quality of the review platforms. In previous work on physician reviews and the corresponding websites, it was observed that there occurs faulty behavior by some reviewers and there were noteworthy differences in the technical implementation of the portals and in the efforts of site operators to maintain high quality reviews. These experiences raise new questions regarding what trust means on review platforms, how trust arises and how easily it can be destroyed. AU - Kersting, Joschka AU - Bäumer, Frederik Simon AU - Geierhos, Michaela ED - Ramachandran, Muthu ED - Walters, Robert ED - Wills, Gary ED - Méndez Muñoz, Víctor ED - Chang, Victor ID - 9613 KW - Trust KW - Physician Reviews KW - Network Analysis SN - 978-989-758-369-8 T2 - Proceedings of the 4th International Conference on Internet of Things, Big Data and Security TI - In Reviews We Trust: But Should We? Experiences with Physician Review Websites ER - TY - CONF AU - Betzing, Jan H. AU - Bartelheimer, Christian AU - Niemann, Marco AU - Berendes, Carsten Ingo AU - Beverungen, Daniel ID - 9617 T2 - Proceedings of the 27th European Conference on Information Systems (ECIS) TI - Quantifying the Impact of Geospatial Recommendations: A Field Experiment in High Street Retail ER - TY - JOUR AU - Yigitbas, Enes AU - Hottung, André AU - Mansfield Rojas, Sebastian AU - Anjorin, Anthony AU - Sauer, Stefan AU - Engels, Gregor ID - 9620 JF - Proceedings of the ACM on Human-Computer Interaction TI - Context- and Data-driven Satisfaction Analysis of User Interface Adaptations Based on Instant User Feedback VL - 3 ER - TY - CONF AU - Meyer-Scott, Evan AU - Prasannan, Nidhin AU - Montaut, Nicola AU - Tiedau, Johannes AU - Eigner, Christof AU - Harder, Georg AU - Sansoni, Linda AU - Nitsche, Thomas AU - Herrmann, Harald AU - Ricken, Raimund AU - Quiring, Viktor AU - Bartley, Tim AU - Barkhofen, Sonja AU - Silberhorn, Christine ED - Hasan, Zameer U. ED - Hemmer, Philip R. ED - Migdall, Alan L. ID - 9635 SN - 9781510625082 T2 - Advances in Photonics of Quantum Computing, Memory, and Communication XII TI - Engineering integrated photon pair sources and multiplexed detectors (Conference Presentation) ER - TY - CONF AB - Employees’ acceptance and resistance of new technology and social structure are frequently examined in Information Systems research. Resistance is expressed in various forms, including a lack of cooperation, workarounds, and physical sabotage. Workarounds, in particular, have a dual nature and can refer to both, undesirable behavior that contradicts organizational struc-ture and to desired organizational innovation. While antecedents and different forms of worka-rounds have been explored, literature has remained silent on how and why workarounds of an individual employee can affect activities performed by other employees and thereby, change work routines on an organizational level. Since employees’ day-to-day performances constitute the ostensive patterns of a routine, we argue that workarounds will not only impact performanc-es of adjacent routines, but also transform the organization as a social structure. With a prelim-inary set of qualitative data from 24 interviews, we used a multiple case study design to concep-tualize six patterns that illustrate how and why workarounds can spread through an organiza-tion. The patterns are systematized by a framework that considers three types of collaboration and two types of handoffs across routines. This first evidence points at the nature of complex desired and undesired consequences that can emerge through workarounds performed in an organization. AU - Wolf, Verena AU - Beverungen, Daniel ID - 9676 KW - Resistance KW - Workaround KW - Organizational Routines KW - Structuration Theory T2 - Proceedings of the 27th European Conference on Information Systems (ECIS) TI - Conceptualizing the Impact of Workarounds – An Organizational Routines’ Perspective ER - TY - JOUR AU - Golla, C. AU - Weber, N. AU - Meier, Cedrik ID - 9698 IS - 7 JF - Journal of Applied Physics SN - 0021-8979 TI - Zinc oxide based dielectric nanoantennas for efficient nonlinear frequency conversion VL - 125 ER - TY - CONF AB - Increased interconnectedness of multiple actors and digital resources in service eco-systems offer new opportunities for service innovation. In digitally transforming eco-systems, organizations need to explore and exploit innovation simultaneously, which is defined as ambidexterity. However, research on ambidextrous service innovation is scarce. We provide a systematic literature review based on the concepts of ambidexterity, offering two contributions. First, research strands are disconnected, emphasizing either exploration or exploitation of service innovation, despite an organizations’ need to accelerate innovation cycles of exploring and exploiting services. Second, a new framework for ambidextrous service innovation is provided, inspired by the dynamism and generative mechanisms of the ontologically related concept of organizational routines. The framework adopts the perspective of a mutually constitutive relationship between exploring new and exploiting current resources, activities, and knowledge. The findings remedy the scattered literature through a coherent perspective on service innovation that responds to organizations’ needs and guides future research. AU - Wolf, Verena ID - 9708 KW - Exploration KW - Exploitation KW - Service Innovation KW - Organizational Routines KW - Ambidexterity T2 - Proceedings of the 14th International Conference on Wirtschaftsinformatik TI - Ambidexterity in Service Innovation Research: A Systematic Literature Review ER -