TY - CONF AU - Engels, Gregor AU - Heckel, Reiko ID - 7872 T2 - Proceedings of the 27th International Colloquium on Automata, Languages and Programming (ICALP 2000), Geneva (Switzerland) TI - Graph Transformation as a Conceptual and Formal Framework for System Modeling and Model Evolution VL - 1853 ER - TY - CONF AB - Abstract. The Unified Modeling Language (UML) is the de facto industrial standard of an object-oriented modeling language. It consists of several sublanguages which are suited to model structural and behavioral aspects of a software system. The UML was developed as a general-purpose language together with intrinsic features to extend the UML towards problem domain-specific profiles. The paper illustrates the language features of the UML and its adaptation mechanisms. As a conclusion, we show that the UML or an appropriate, to be defined core UML, respectively, may serve as a universal base of an object-oriented modeling language. But this core has to be adapted according to problem domain-specific requirements to yield an expressive and intuitive modeling language for a certain problem domain. AU - Engels, Gregor AU - Heckel, Reiko AU - Sauer, Stefan ID - 7873 T2 - Proceedings of the 21st International Conference on Application and Theory of Petri Nets (ICATPN 2000), Aarhus (Denmark) TI - UML - A Universal Modeling Language? VL - 1825 ER - TY - CONF AU - Engels, Gregor AU - Groenewegen, Luuk ID - 7874 T2 - Proceedings of the Conference on The Future of Software Engineering - Special Track at 22nd International Conference on Software Engineering (ICSE 2000), Limerick (Ireland) TI - Object-Oriented Modeling - A Roadmap ER - TY - CONF AB - In this paper, dynamic meta modeling is proposed as a new approach to the operational semantics of behavioral UML diagrams. The dynamic meta model extends the well-known static meta model by a speci.cation of the system’s dynamics by means of collaboration diagrams. In this way, it is possible to de.ne the behavior of UML diagrams within UML. The conceptual idea is inherited from Plotkin’s structured operational semantics (SOS) paradigm, a style of semantics speci.cation for concurrent programming languages and process calculi: Collaboration diagrams are used as deduction rules to specify a goal-oriented interpreter for the language. The approach is exemplified using a fragment of UML statechart and object diagrams. Formally, collaboration diagrams are interpreted as graph transformation rules. In this way, dynamic UML semantics can be both mathematically rigorous so as to enable formal specifications and proofs and, due to the use of UML notation, understandable without prior knowledge of heavy mathematic machinery. Thus, it can be used as a reference by tool developers, teachers, and advanced users. AU - Engels, Gregor AU - Hendrik Hausmann, Jan AU - Heckel, Reiko AU - Sauer, Stefan ID - 7875 T2 - Proceedings of the 3rd international conference on the Unified Modeling Language (UML 2000), York (UK) TI - Dynamic Meta-Modeling: A Graphical Approach to the Operational Semantics of Behavioral Diagrams in UML VL - 1939 ER - TY - CONF AU - Hendrik Hausmann, Jan ID - 7876 T2 - Proceedings of the Informatiktage 2000, Bad Schussenried (Germany) TI - Graphtransitionsregeln zur Beschreibung der Semantik von UML ER - TY - CONF AU - Mehner, Katharina AU - Wagner, Annika ID - 7877 T2 - Proceedings of the IEEE International Symposium on Visual Languages (VL 2000), Seattle (Washington) TI - Visualizing the Synchronization of Java-Threads with UML ER - TY - CONF AU - Depke, Ralph AU - Heckel, Reiko AU - Küster, Jochen ID - 7878 T2 - Proceedings of the conference on Autonomous agents (AGENTS 2000), Barcelona (Spain) TI - Integrating visual modeling of agent-based and object-oriented systems ER - TY - CONF AU - Krauter, Stefan AU - Araujo, R. G. ID - 8124 T2 - Proceedings of the 16th European Photovoltaic Solar Energy Conference, Glasgow (UK), 1.–5. Mai 2000, S. 2575–2577. TI - New Power Conditioning Unit Incorporating Charge Controller, Energy Flow Monitor, Data Logger, DC/AC Converter for Stand-Alone and Combined PV-Diesel Operation ER - TY - CONF AU - Krauter, Stefan AU - Herold, H. ID - 8125 T2 - Proceedings of the 16th European Photovoltaic Solar Energy Conference, Glasgow (UK), 1.–5. Mai 2000, S. 2909–2911 TI - PV in Brazil ER - TY - CONF AU - Krauter, Stefan ID - 8126 T2 - Proceedings of Workshop “Formas Não-Convencionais de Geração e Uso Racional de Energia”, UFSC, Florianópolis, Santa Catarina (Brasilien), 9.–11. November 2000. TI - Sistemas híbridos termo-solares/fotovoltaicos. ER - TY - GEN AU - Depke, Ralph AU - Engels, Gregor AU - Küster, Jochen ID - 8207 TI - On the Integration of Roles in the UML ER - TY - GEN AU - Depke, Ralph AU - Heckel, Reiko AU - Küster, Jochen ID - 8208 TI - Modeling Agent-Based Systems with Graph Transformation ER - TY - GEN AU - Heckel, Reiko AU - Llabrés, Mercé AU - Ehrig, Hartmut AU - Orejas, Fernando ID - 8209 TI - On the Concurrent Semantics of Open Graph Transformation Systems and Views ER - TY - GEN AU - Mehner, Katharina AU - Wagner, Annika ID - 8210 TI - Ablaufvisualisierung für nebenläufige Java-Programme mit UML Interaktionsdiagrammen ER - TY - CONF AB - In diesem Beitrag stellen wir eine Methode zur Spezifikation der dynamischen Semantik von UML im Sinne einer Metamodellierung vor. Die dynamische Metamodellierung verwendet dabei UMLKollaborationsdiagramme als eine dem Modellierer bekannte Notation. Diese werden durch eine Interpretation als Regeln einer graphischen operationalen Semantik (GOS) semantisch präzisiert. Die GOS-Formalisierung beruht dabei sowohl auf Konzepten von Graphtransformationen als auch dem Ansatz der Structured Operational Semantics. GOS-Regeln werden als Deduktionsregeln für die Spezifikation eines Interpreters betrachtet, der basierend auf einer Prolog-Ausführungsmaschine realisert werden soll. AU - Hendrik Hausmann, Jan AU - Heckel, Reiko AU - Sauer, Stefan ID - 8329 T2 - Proceedings of the Workshop des Arbeitskreises GROOM der GI Fachgruppe 2.1.9 Objektorientierte Software-Entwicklung on Visuelle Verhaltensmodellierung verteilter und nebenläufiger Software-Systeme, Münster (Germany) TI - Ein Konzept zur anwendungsbezogenen UML-Semantikbeschreibung durch dynamische Metamodellierung ER - TY - CONF AU - Depke, Ralph AU - Heckel, Reiko AU - Küster, Jochen ID - 8330 T2 - Proceedings of the workshop on Graph Transformation Systems (GraTra 2000), Berlin (Germany) TI - Modeling Agent-Based Systems with Graph Transformation and UML: From Requirement Specifcation to Object-Oriented Design ER - TY - CONF AU - Heckel, Reiko AU - Llabrés, Mercé AU - Ehrig, Hartmut AU - Orejas, Fernando ID - 8331 T2 - Proceedings of workshop on Graph Transformation Systems (GraTra; satellite event of the ETAPS 2000), Berlin (Germany) TI - Concurrency of Double-Pullback Graph Transitions ER - TY - CONF AB - Graphs are a commonly used formalism for modeling many different kinds of static and dynamic data. In many applications, data modeling can be improved by using hierarchically structured graphs. But, while there already exist hierarchical graph data models, no general-purpose hierarchical graph data model exists yet, which unifies common features of these domain-specific models. In this paper, we present graph packages, a general formalism for defining hierarchical graphs, supporting the most important features found in known applications. Because of the dynamic nature of graphs, hierarchical graph transformation is also an important issue to be dealt with when using hierarchical graphs. Motivated by the successful application of graph grammars to the specification of graph transformations, we also introduce a framework that allows to specify hierarchical graph transformations by combining existing graph grammar approaches and our graph package concept. These concepts are a step towards the definition of a general-purpose hierarchical graph data model. AU - Busatto, Giorgio AU - Engels, Gregor AU - Mehner, Katharina AU - Wagner, Annika ID - 8332 T2 - Selected Papers of the 6th International Workshop on Theory and Application of Graph Transformations (TAGT '98), Paderborn (Germany) TI - A Framework for Adding Packages to Graph Transformation Approaches VL - 1764 ER - TY - CONF AU - Corradini, Andrea AU - Heckel, Reiko AU - Montanari, Ugo ID - 8333 T2 - Proceedings of the Workshop on Graph Transformation and Visual Modelling Techniques (satellite event of the ICALP 2000), Geneva (Switzerland) TI - Graphical Operational Semantics ER - TY - CONF AU - Depke, Ralph AU - Heckel, Reiko ID - 8334 T2 - Proceedings of the Workshop des Arbeitskreises GROOM der GI Fachgruppe 2.1.9 Objektorientierte Software-Entwicklung on Visuelle Verhaltensmodellierung verteilter und nebenläufiger Software-Systeme, Münster (Germany) TI - Towards Role-based Modeling of Autonomous Agents ER - TY - CONF AU - Depke, Ralph AU - Heckel, Reiko AU - Küster, Jochen ID - 8335 T2 - Proceedings of the 1st International Workshop on Agent-Oriented Software Engineering (satellite event of the ICSE 2000), Limerick (Ireland) TI - Requirement Specification and Design of Agent-Based Systems with Graph Transformation, Roles and UML ER - TY - CONF AU - Depke, Ralph AU - Heckel, Reiko AU - Küster, Jochen ID - 8336 T2 - Proceedings of the Workshop on Agents in Industry (Agents 2000; satellite event of the 4th International Conference on Autonomous Agents), Barcelona (Spain) TI - Deploying Agents in an Electronic Banking Environment ER - TY - CONF AU - Depke, Ralph AU - Heckel, Reiko AU - Küster, Jochen ID - 8337 T2 - Proceedings of the Workshop des Arbeitskreises GROOM der GI Fachgruppe 2.1.9 Objektorientierte Software-Entwicklung on Visuelle Verhaltensmodellierung verteilter und nebenläufiger Software-Systeme, Münster (Germany) TI - Rollenbasierte Modellierung autonomer Agenten ER - TY - CONF AU - Depke, Ralph AU - Heckel, Reiko ID - 8338 T2 - Proceedings of the Workshop on Graph Transformation and Visual Modelling Techniques (satellite event of the ICALP 2000), Geneva (Switzerland) TI - Formalizing the Development of Agent-Based Systems Using Graph Processes ER - TY - CONF AU - Engels, Gregor AU - Heckel, Reiko ID - 8339 T2 - Proceedings of the Workshop on Graph Transformation and Visual Modeling Techniques (satellite events of the ICALP 2000), Geneva(Switzerland) TI - From Trees to Graphs: Defining the Semantics of Diagram Languages with Graph Transformation ER - TY - CONF AB - In concurrent systems, multiple components communicate with each other by exchanging messages. Each component may take part in several communication protocols at the same time, each one taking part over a so-called connector. Valid sequences of message exchanges are usually modeled in a communication protocol. There arise several important questions concerning protocols: Given a protocol how to ensure that each participant conforms to the protocol on the model level? Conversely, given multiple components how to extract the protocol? In our position statement, we propose a technique for ensuring protocol conformity based on extraction of statechart views from each component's statechart. AU - Engels, Gregor AU - Küster, Jochen AU - Groenewegen, Luuk ID - 8340 IS - 0006 T2 - Proceedings of the Workshop on Dynamic Behaviour in UML Models: Semantic Questions, Munich (Germany) TI - Modeling Concurrent Behavior through Consistent Statechart Views ER - TY - CONF AU - Frank, Melanie AU - Kundisch, Dennis AU - Schell, Axel ED - Bodendorf, F. ED - Grauer, G. ID - 6012 T2 - Tagungsband Multikonferenz Wirtschaftsinformatik (MKWI) TI - Elektronischer Vertrieb von Dienstleistungen: Optimaler Serverstandort als Warehouse Location Problem ER - TY - CONF AU - Buhl, H. U. AU - Kundisch, Dennis AU - Leinfelder, A. AU - Steck, W. ED - Bichler, M. ED - Hansen, H.-R. ED - Mahrer, H. ID - 6013 T2 - Proceedings of the 8th European Conference on Information Systems 2000 (ECIS) TI - IT-Enabled Sophistication Banking VL - 2 ER - TY - GEN AU - Calaminus, D. AU - Klöpfer, Elisabeth AU - Kundisch, Dennis AU - Wolfersberger, P. ID - 6014 T2 - 3. FANTagung 2000 TI - Ein Contentmodell für den Multichannel Vertrieb von Finanzdienstleistungen ER - TY - CONF AU - Kundisch, Dennis ED - Kim, S. H. ED - Sheng, O. ED - Lee, J. K. ED - Whinston, A. B. ED - Schmid, B. ID - 6015 T2 - Proceedings of the International Conference on Electronic Commerce 2000 (ICEC) TI - Buyer Search Behavior on an Electronic Commodity Market: Consumer's Decision for a Sequential or Simultaneous Search Method ER - TY - BOOK AU - Gutmann, J AU - Kabst, Rüdiger ID - 6144 SN - 978-3409115667 TI - Internationalisierung im Mittelstand: Chancen, Risiken, Erfolgsfaktoren ER - TY - BOOK AU - Kabst, Rüdiger ID - 6145 SN - 978-3879885138 TI - Steuerung und Kontrolle Internationaler Joint Venture: Eine transaktionskostentheoretisch fundierte empirische Analyse ER - TY - CHAP AU - Weber, W AU - Kabst, Rüdiger AU - Gramley, C ED - Brewster, C ED - Mayrhofer, W ED - Morley, M ID - 6220 T2 - New Challenges for European Human Resource Management TI - Human Resource Policies in European Organizations: Country vs. Company-Specific Antecedents ER - TY - CHAP AU - Weber, W AU - Kabst, Rüdiger ED - Gutmann, J ED - Kabst, R ID - 6221 T2 - Internationalisierung im Mittelstand: Chancen, Risiken, Erfolgsfaktoren TI - Internationale Joint Ventures ER - TY - CHAP AU - Weber, W AU - Kabst, Rüdiger ED - Gutmann, J ED - Kabst, R ID - 6222 T2 - Internationalisierung im Mittelstand: Chancen, Risiken, Erfolgsfaktoren TI - Internationalisierung mittelständischer Unternehmen: Organisationsform und Personalmanagement ER - TY - CHAP AU - Friedrich, A AU - Kabst, Rüdiger AU - Rodehuth, M AU - Weber, W ED - Brewster, C ED - Mayrhofer, W ED - Morley, M ID - 6223 T2 - New Challenges for European Human Resource Management TI - Job Rotation: An Empirical Analysis on the Utilization and Strategic Integration in European Companies ER - TY - CHAP AU - Weber, W AU - Kabst, Rüdiger ED - Regnet, E ED - Hofmann, L M ID - 6224 T2 - Personalmanagement in Europa TI - Personalpraktiken in europäischen Unternehmen: Gemeinsamkeiten und Unterschiede ER - TY - CHAP AU - Brewster, C AU - Kabst, Rüdiger ED - Gutmann, J ED - Kabst, R ID - 6225 T2 - Internationalisierung im Mittelstand: Chancen, Risiken, Erfolgsfaktoren TI - Personalpraktiken national und international tätiger Unternehmen ER - TY - CHAP AU - Weber, W AU - Habich, J AU - Kabst, Rüdiger ED - Gutmann, J ID - 6226 T2 - Jahrbuch Personalentwicklung und Weiterbildung 2000/2001 TI - Perspektiven personalwirtschaftlicher Forschung ER - TY - GEN AU - Kabst, Rüdiger ID - 6397 TI - Erfolgsfaktoren der Internationalisierung mittelständischer Unternehmen: Markteintrittsstrategien und Personalmanagement, Paderborn 2000. ER - TY - JOUR AU - Feng, Yuanhua AU - Heiler, Siegfried ID - 4636 JF - Wirtschaft und Statistik SN - 0043-6143 TI - Eine robuste datengesteuerte Version des Berliner-Verfahrens ER - TY - CHAP AU - Feng, Yuanhua AU - Heiler, Siegfried ED - Vosgerau, Hans-Jürgen ID - 4651 SN - 9780333748800 T2 - Institutional Arrangements for Global Economic Integration TI - Locally weighted autoregression ER - TY - JOUR AU - Fahr, Ren{\'e} AU - Irlenbusch, Bernd ID - 4894 IS - 3 JF - Economics Letters TI - Fairness as a constraint on trust in reciprocity: earned property rights in a reciprocal exchange experiment ER - TY - JOUR AU - Eggert, Andreas ID - 4904 JF - Marketing - Zeitschrift für Forschung und Praxis TI - Konzeptualisierung und Operationalisierung der Kundenbindung aus Kundensicht ER - TY - JOUR AU - Eggert, Andreas AU - Helm, Sabrina ID - 4906 IS - 2 JF - der markt SN - 0025-3863 TI - Determinanten der Weiterempfehlung: Kundenzufriedenheit oder Kundenbindung? VL - 39 ER - TY - BOOK ED - Hasenbank, T. ED - Kremer, H.-Hugo ED - Retzmann, T. ID - 7323 TI - Zukunftswerkstatt: Berufliche Bildung neu gestalten - Kreative Wege zur Realisierung didaktischer Innovationen in berufsbildenden Schulen ER - TY - JOUR AB - In order to provide semantic support for visual modeling techniques, new techniques have to be developed which help us to narrow the conceptual gap between graph-based visual modeling techniques like the UML and established methodologies of programming language semantics almost exclusively based on trees and terms. Concepts and results from the area of graph transformation can be used both as a basis for high-level rule-based visual languages, and as semantic domain for visual modeling techniques focusing on the structural and behavioral aspects of today's software systems. Moreover, graph transformation can provide the necessary technology in order to develop the graph-based counterparts of the denotational, operational, or algebraic semantics paradigms in the field of programming languages. In this paper, we substantiate these claims by examples of the use of graph transformation as visual modeling notion, semantic domain, and for the semantics of diagram languages. AU - Engels, Gregor AU - Heckel, Reiko ID - 7396 IS - 71 JF - Bulletin of the EATCS TI - Graph Transformation and Visual Modeling Techniques ER - TY - JOUR AU - Corradini, Andrea AU - Heckel, Reiko ID - 7397 IS - 72 JF - Bulletin of the EATCS TI - Graph Transformation and Visual Modeling Techniques: Workshop Summary and HowTo ER - TY - JOUR AU - Depke, Ralph AU - Heckel, Reiko AU - Küster, Jochen AU - Langham, Matthew ID - 7398 IS - 1-2 JF - Geldinstitute TI - Agenten im Auftrag des Bankkunden VL - 31 ER - TY - JOUR AU - Kremer, H.-Hugo ID - 7482 IS - 29 JF - Kölner Zeitschrift für Wirtschaft und Pädagogik TI - Multimedia und komplexe Lehr-Lernarrangements ER -