TY - GEN A1 - Weber, Edzard A1 - Tiefenbacher, Anselm A1 - Gronau, Norbert T1 - Need for standardization and systematization of test data for job-shop scheduling T2 - Postprints der Universität Potsdam Wirtschafts- und Sozialwissenschaftliche Reihe N2 - The development of new and better optimization and approximation methods for Job Shop Scheduling Problems (JSP) uses simulations to compare their performance. The test data required for this has an uncertain influence on the simulation results, because the feasable search space can be changed drastically by small variations of the initial problem model. Methods could benefit from this to varying degrees. This speaks in favor of defining standardized and reusable test data for JSP problem classes, which in turn requires a systematic describability of the test data in order to be able to compile problem adequate data sets. This article looks at the test data used for comparing methods by literature review. It also shows how and why the differences in test data have to be taken into account. From this, corresponding challenges are derived which the management of test data must face in the context of JSP research. Keywords T3 - Zweitveröffentlichungen der Universität Potsdam : Wirtschafts- und Sozialwissenschaftliche Reihe - 134 KW - job shop scheduling KW - JSP KW - social network analysis KW - method comparision Y1 - 2020 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:517-opus4-472229 SN - 1867-5808 IS - 134 ER - TY - JOUR A1 - Weber, Edzard A1 - Tiefenbacher, Anselm A1 - Gronau, Norbert T1 - Need for Standardization and Systematization of Test Data for Job-Shop Scheduling JF - Data N2 - The development of new and better optimization and approximation methods for Job Shop Scheduling Problems (JSP) uses simulations to compare their performance. The test data required for this has an uncertain influence on the simulation results, because the feasable search space can be changed drastically by small variations of the initial problem model. Methods could benefit from this to varying degrees. This speaks in favor of defining standardized and reusable test data for JSP problem classes, which in turn requires a systematic describability of the test data in order to be able to compile problem adequate data sets. This article looks at the test data used for comparing methods by literature review. It also shows how and why the differences in test data have to be taken into account. From this, corresponding challenges are derived which the management of test data must face in the context of JSP research. KW - job shop scheduling KW - JSP KW - social network analysis KW - method comparision Y1 - 2019 U6 - https://doi.org/10.3390/data4010032 SN - 2306-5729 VL - 4 IS - 1 PB - MDPI CY - Basel ER - TY - JOUR A1 - Weber, Edzard A1 - Stein, Maureen A1 - Gronau, Norbert T1 - Demokratieorientierte eGovernment-Systeme Y1 - 2009 SN - 978-3-89864- 590-4 ER - TY - JOUR A1 - Weber, Edzard A1 - Stein, Maureen A1 - Gronau, Norbert T1 - Demokratieorientierte eGovernment-Systeme Y1 - 2009 SN - 1436 - 3011 ER - TY - GEN A1 - Vladova, Gergana A1 - Ullrich, André A1 - Bender, Benedict A1 - Gronau, Norbert T1 - Students’ Acceptance of Technology-Mediated Teaching – How It Was Influenced During the COVID-19 Pandemic in 2020: A Study From Germany T2 - Postprints der Universität Potsdam Wirtschafts- und Sozialwissenschaftliche Reihe N2 - In response to the impending spread of COVID-19, universities worldwide abruptly stopped face-to-face teaching and switched to technology-mediated teaching. As a result, the use of technology in the learning processes of students of different disciplines became essential and the only way to teach, communicate and collaborate for months. In this crisis context, we conducted a longitudinal study in four German universities, in which we collected a total of 875 responses from students of information systems and music and arts at four points in time during the spring–summer 2020 semester. Our study focused on (1) the students’ acceptance of technology-mediated learning, (2) any change in this acceptance during the semester and (3) the differences in acceptance between the two disciplines. We applied the Technology Acceptance Model and were able to validate it for the extreme situation of the COVID-19 pandemic. We extended the model with three new variables (time flexibility, learning flexibility and social isolation) that influenced the construct of perceived usefulness. Furthermore, we detected differences between the disciplines and over time. In this paper, we present and discuss our study’s results and derive short- and long-term implications for science and practice. T3 - Zweitveröffentlichungen der Universität Potsdam : Wirtschafts- und Sozialwissenschaftliche Reihe - 141 KW - COVID-19 KW - digital learning KW - discipline differences KW - e-learning KW - TAM KW - technology acceptance KW - technology-mediated teaching KW - university teaching Y1 - 2020 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:517-opus4-521615 SN - 1867-5808 ER - TY - JOUR A1 - Vladova, Gergana A1 - Ullrich, André A1 - Bender, Benedict A1 - Gronau, Norbert T1 - Students’ acceptance of technology-mediated teaching – How it was influenced during the COVID-19 Pandemic in 2020 BT - A study from Germany JF - Frontiers in psychology / Frontiers Research Foundation N2 - In response to the impending spread of COVID-19, universities worldwide abruptly stopped face-to-face teaching and switched to technology-mediated teaching. As a result, the use of technology in the learning processes of students of different disciplines became essential and the only way to teach, communicate and collaborate for months. In this crisis context, we conducted a longitudinal study in four German universities, in which we collected a total of 875 responses from students of information systems and music and arts at four points in time during the spring–summer 2020 semester. Our study focused on (1) the students’ acceptance of technology-mediated learning, (2) any change in this acceptance during the semester and (3) the differences in acceptance between the two disciplines. We applied the Technology Acceptance Model and were able to validate it for the extreme situation of the COVID-19 pandemic. We extended the model with three new variables (time flexibility, learning flexibility and social isolation) that influenced the construct of perceived usefulness. Furthermore, we detected differences between the disciplines and over time. In this paper, we present and discuss our study’s results and derive short- and long-term implications for science and practice. KW - COVID-19 KW - digital learning KW - discipline differences KW - e-learning KW - TAM KW - technology acceptance KW - technology-mediated teaching KW - university teaching Y1 - 2020 U6 - https://doi.org/10.3389/fpsyg.2021.636086 SN - 1664-1078 VL - 12 PB - Frontiers Research Foundation CY - Lausanne ER - TY - JOUR A1 - Ullrich, André A1 - Vladova, Gergana A1 - Marquart, Danny A1 - Braun, Andreas A1 - Gronau, Norbert T1 - An overwiew of benefits and risks in open innovation projects and the influence of intermediary participation, decision-making authority, experience, and position on their perception JF - International journal of innovation management : IJIM N2 - This paper presents an exploratory study investigating the influence of the factors (1) intermediary participation, (2) decision-making authority, (3) position in the enterprise, and (4) experience in open innovation on the perception and assessment of the benefits and risks expected from participating in open innovation projects. For this purpose, an online survey was conducted in Germany, Austria and Switzerland. The result of this paper is an empirical evidence showing whether and how these factors affect the perception of potential benefits and risks expected within the context of open innovation project participation. Furthermore, the identified effects are discussed against the theory. Existing theory regarding the benefits and risks of open innovation is expanded by (1) finding that they are perceived mostly independently of the factors, (2) confirming the practical relevance of benefits and risks, and (3) enabling a finer distinction between their degrees of relevance according to respective contextual specifics. KW - Open innovation KW - intermediaries KW - benefits KW - decision-making KW - experience; KW - risks Y1 - 2022 U6 - https://doi.org/10.1142/S1363919622500128 SN - 1363-9196 SN - 1757-5877 VL - 26 IS - 02 PB - World Scientific Publ. CY - Singapore ER - TY - JOUR A1 - Schüffler, Arnulf A1 - Thim, Christof A1 - Haase, Jennifer A1 - Gronau, Norbert A1 - Kluge, Annette T1 - Willentliches Vergessen T1 - Intentional forgetting - precondition for flexibility and adaptivity in a permanent changing world BT - Voraussetzung für Flexibilität und Veränderungsfähigkeit in einer sich permanent verändernden Welt JF - Gruppe. Interaktion. Organisation. Zeitschrift für Angewandte Organisationspsychologie (GIO) N2 - Dieser Beitrag im Journal Gruppe. Interaktion. Organisation. stellt dar, wie willentliches Vergessen die Anpassung an notwendige Veränderungen für Individuen, Gruppen und Organisationen verbessert und wie willentliches Vergessen bewusst und gezielt gestaltet werden kann. Damit Verhalten in Folge einer notwendigen Veränderung angepasst wird, reicht es nicht aus, dass Menschen wissen was zu tun ist, willens und in der Lage sind ihr Verhalten zu verändern. Eine Veränderung gelingt nur dann, wenn nur noch das neue Verhalten zur Anwendung kommt und nicht mehr das Alte, wenn das alte Verhalten vergessen wird. Der notwendige Prozess des willentlichen Vergessens ist durch Entfernen von Hinweisreizen, die die Erinnerung des zu Vergessenden und durch Platzierung von Hinweisreizen, die die Aktivierung des Neuen auslösen, gestaltbar. Der vorliegende Beitrag stellt die förderliche Wirkung von Hinweisreizen auf willentliches Vergessen dar, stellt sie im Rahmen des Berichts einer experimentellen Studie unter Beweis und gibt praktische Implikationen, wie für Individuen, Gruppen und Organisationen willentliches Vergessen gestaltet werden kann. N2 - This paper in the journal Gruppe. Interaktion. Organisation. illustrates how intentional forgetting can improve the adaptation to necessary changes for individuals, groups and organizations, and how intentional forgetting can be consciously and purposefully designed.In order for behavior to be adapted as aresult of necessary change, it is not enough for people to know what to do, to be willing and able to change their behavior. Achange succeeds only if the new behavior is activated and not the old one, if the old behavior is forgotten. The necessary process of intentional forgetting can be designed by removing cues that retrieve memory items to be forgotten and placing cues that trigger the retrieval of the new.This paper presents the beneficial effects of cues on intentional forgetting, proves them in the context of areport of an experimental study and gives practical implications on how to design intentional forgetting for individuals, groups and organizations. KW - Intentional forgetting KW - Retrieval cues KW - Change KW - Adaptation KW - Behavior KW - Willentliches Vergessen KW - Hinweisreize KW - Veränderung KW - Anpassung KW - Verhalten Y1 - 2019 U6 - https://doi.org/10.1007/s11612-019-00466-0 SN - 2366-6145 SN - 2366-6218 VL - 50 IS - 2 SP - 197 EP - 209 PB - Springer CY - Wiesbaden ER - TY - JOUR A1 - Scholz-Reiter, Bernd A1 - Hamann, Tilo A1 - Gronau, Norbert A1 - Bogen, Jane T1 - Fallbasierte neuronale Produktionsregelung : Nutzung des Case-Based Reasoning zur Produktionsregelung mit neuronalen Netzen N2 - Die Autoren stellen einen Ansatz vor, mit dem das Erfahrungswissen über die Produktionsregelung mit künstlichen neuronalen Netzen so aufgearbeitet und strukturiert werden kann, dass mittels des fallbasierten Schließens für neue Produktionssituationen die geeigneten und entsprechend voreingestellten neuronalen Netze ausgewählt werden können. Aufbauend auf den so gewonnenen Ergebnissen wird ein fallbasiertes System entwickelt. Y1 - 2005 UR - http://technikwissen.de/wt/ ER - TY - JOUR A1 - Schmid, Simone A1 - Bogen, Jane A1 - Gronau, Norbert T1 - Aufbau einer Wissensorganisation für den Betrieb komplexer ERP-Systeme N2 - Im Beitrag wird dargestellt, wie der Einsatz von Wissensmanagementwerkzeugen einen wichtigen Beitrag zur Gestaltung eines erfolgreichen ERP-Betriebes leisten kann. Da diese Aufgabe einen hohen Anteil an wissensintensiven Prozessen aufweist, wird dazu eine Methode benötigt, welches die Prozesse strukturiert erfasst, durch die Modellierung analysiert und geeignete Maßnahmen des Wissensmanagements vorschlägt. Die Methode KMDL® ermöglicht durch die Einführung einer Wissensebene die Spezifikation, wann Wissen welchen Inhalts und in welcher Form im Prozess benötigt oder erzeugt wird. Dabei wird auch darauf eingegangen, wie durch die Anwendung der KMDL® der optimale Schulungsbedarf für ERP-Anwender ermittelt werden kann. Y1 - 2005 UR - http://wi.uni-potsdam.de ER - TY - GEN A1 - Schmid, Simone A1 - Andresen, Katja A1 - Gronau, Norbert T1 - Optimierung werksübergreifender Geschäftsprozesse am Beispiel der Automobilzuliefererindustrie T1 - Optimisation of cross-plant business processes in the automotive industry BT - Auswertung einer Marktstudie zu ERP-/PPS-Systemen N2 - Die Bedeutung der Zulieferer für die Automobilhersteller wächst stetig, weil die Zulieferer immer stärker in den gesamten Wertschöpfungsprozess des Herstellers eingebunden werden und somit ständig Planung, Qualität und Logistikabläufe optimiert werden müssen. Betriebliche Anwendungen, wie Enterprise Resource Planning- (ERP-) oder Produktionsplanung- und –steuerungs-(PPS-) Systeme werden benötigt, um den störungsfreien und reibungslosen Ablauf der Geschäftsprozesse und damit die ständige Lieferfähigkeit gegenüber dem Automobilhersteller zu garantieren [1]. Anhand eines Marktüberblicks werden in diesem Beitrag innovative Ansätze, Möglichkeiten und Koordinationsmechanismen zur Unterstützung der Produktion in verteilten Standorten von aktuellen ERP-/PPS-Systemen vorgestellt. N2 - Optimisation of cross-plant business processes in the automotive industry: The importance of components suppliers for automotive manufacturer is constantly increasing. This is because they are more and more integrated in the complete value-added process of the manufacturers. Thus the optimisation of planning, quality and logistical workflows is essential. ERP- and PPS-systems are needed to guarantee undisturbed business processes and to assure the ability to supply. The following market research will introduce innovative approaches, opportunities and coordination instruments of ERP-/PPS-systems to support the production of distributed locations. KW - Enterprise-Resource-Planning KW - Marktuntersuchung KW - PPS KW - ERP-/PPS-Systeme KW - werksübergreifende Geschäftsprozesse KW - Automobilzulieferer KW - market research KW - ERP-/PPSsystems KW - cross-plant business processes KW - components suppliers Y1 - 2005 U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:517-opus-6837 ER - TY - JOUR A1 - Schmid, Simone A1 - Andresen, Katja A1 - Gronau, Norbert T1 - Optimierung werksübergreifender Geschäftsprozesse am Beispiel der Automobilzuliefererindustrie : Auswertung einer Marktstudie zu ERP-/PPS- Systemen N2 - Die Bedeutung der Zulieferer für die Automobilhersteller wächst stetig, weil die Zulieferer immer stärker in den gesamten Wertschöpfungsprozess des Herstellers eingebunden werden und somit ständig Planung, Qualität und Logistikabläufe optimiert werden müssen. Betriebliche Anwendungen, wie Enterprise Resource Planning- (ERP-) oder Produktionsplanung- und -steuerungs- (PPS-) Systeme werden benötigt, um den störungsfreien und reibungslosen Ablauf der Geschäftsprozesse und damit die ständige Lieferfähigkeit gegenüber dem Automobilhersteller zu garantieren [1]. Anhand eines Marktüberblicks werden in diesem Beitrag innovative Ansätze, Möglichkeiten und Koordinationsmechanismen zur Unterstützung der Produktion in verteilten Standorten von aktuellen ERP-/PPS-Systemen vorgestellt. Y1 - 2005 UR - http://wi.uni-potsdam.de ER - TY - JOUR A1 - Müller, Claudia A1 - Gronau, Norbert T1 - Bildung von sozialen Netzwerken in Anwendungen der Social Software JF - Analyse sozialer Netzwerke und Social Software Y1 - 2010 SN - 978-3-940019-26-4 SP - 1 EP - 23 PB - GITO CY - Berlin ER - TY - JOUR A1 - Müller, Claudia A1 - Bahrs, Julian A1 - Gronau, Norbert T1 - Evaluation of KMDL Models of Knowledge intensive Business Processes in the Area of Software Engineering N2 - Process oriented knowledge management focuses on knowledge intensive business processes. For modelling and analysis of these processes the modelling technique KMDL (Knowledge Modeling and Description Language) has been developed. KMDL is a method to describe knowledge flows and conversions along and between business processes. Thereby KMDL identifies existing and utilized information as well as knowledge of individual participants and of the entire company. This research-in-progress contribution introduces a practical example in the field of software engineering, in which KMDL models are evaluated to identify process improvements, e.g. by adding knowledge management activities. Therefore three individual views focussing on selected aspects of interest are introduced. Y1 - 2005 UR - http://wi.uni-potsdam.de ER - TY - JOUR A1 - Müller, C. A1 - Weber, Edzard A1 - Gronau, Norbert T1 - Requirements for an integration of methods analyzing social issues in knowledge organizations Y1 - 2006 ER - TY - JOUR A1 - Lämmer, Anne A1 - Eggert, Sandy A1 - Gronau, Norbert T1 - A procedure model for a SoA-based integration of enterprise systems Y1 - 2008 SN - 1548-1115 ER - TY - JOUR A1 - Lindemann, Marcus A1 - Schmid, Simone A1 - Gronau, Norbert A1 - Schumacher, J. T1 - Marktstudie zur kundenorientierten Weiterentwicklung von MES Y1 - 2006 ER - TY - JOUR A1 - Lindemann, Marcus A1 - Schmid, Simone A1 - Gronau, Norbert T1 - Wirtschaftlichkeitsbewertung von Manufacturing Execution Systems Y1 - 2007 ER - TY - JOUR A1 - Lindemann, Marcus A1 - Gronau, Norbert T1 - RoI-Analyse für ERP-Systeme in Einzelfertigung und Anlagenbau Y1 - 2007 ER - TY - JOUR A1 - Lass, Sander A1 - Gronau, Norbert T1 - A factory operating system for extending existing factories to Industry 4.0 JF - Computers in industry : an international, application oriented research journal N2 - Cyber-physical systems (CPS) have shaped the discussion about Industry 4.0 (I4.0) for some time. To ensure the competitiveness of manufacturing enterprises the vision for the future figures out cyber-physical production systems (CPPS) as a core component of a modern factory. Adaptability and coping with complexity are (among others) potentials of this new generation of production management. The successful transformation of this theoretical construct into practical implementation can only take place with regard to the conditions characterizing the context of a factory. The subject of this contribution is a concept that takes up the brownfield character and describes a solution for extending existing (legacy) systems with CPS capabilities. KW - Factory operating system KW - CPPS KW - CPS KW - Decentralized production control KW - Industry 4.0 KW - retrofit Y1 - 2019 U6 - https://doi.org/10.1016/j.compind.2019.103128 SN - 0166-3615 SN - 1872-6194 VL - 115 PB - Elsevier CY - Amsterdam ER -