Engels, G., Heckel, R., &; Sauer, S. (1999). Dynamic Meta Modelling: A Graphical Approach to Operational Semantics. In Proceedings of the workshop on Rigorous Modeling and Analysis with the UML: Challenges and Limitations (satellite event of the Conference on Onject-Oriented Programming, Systems, Languages, and Applications (OOPSLA 1999)), Denver, CO (USA).
LibreCat: /record/8325

Engels, G., &; Sauer, S. (1999). MVC-Based Modeling Support for Embedded Real-Time Systems. In Proceedings of OMER Workshop, Herrsching, Germany (pp. 11–14). Herrsching, Universität der Bundeswehr München, Fakultät für Informatik.
LibreCat: /record/8326

Mehner, K., &; Wagner, A. (1999). An Assessment of Aspect Language Design. In Proceedings of the Young Researchers Workshop (satellite event of the Generative and Component-Based Software Engineering (GCSE 1999)), Erfurt (Germany).
LibreCat: /record/8327

Mehner, K., &; Wagner, A. (1999). On the Role of Method Families in Aspect Oriented Programming. In Proceedings of the ECOOP Workshop on Aspect Oriented Programming, Lisboa (Spain) (Vol. 1743, pp. 305–306). Berlin/Heidelberg: Springer.
LibreCat: /record/8328

Depke, R., Engels, G., Mehner, K., Sauer, S., &; Wagner, A. (1999). Ein Vorgehensmodell für die Multimedia-Entwicklung mit Autorensystemen. Informatik Forschung Und Entwicklung, 14(2), 83–94.http://dx.doi.org/10.1007/s004500050128 
LibreCat: /record/7399
DOI: http://dx.doi.org/10.1007/s004500050128

Cherchago, A., &; Finaev, V. (1999). Formalization of the development process for a software-hardware reflexodiagnostic tool. Scientific Bulletin of Academy of Information Technologies in Education, Science and Balneology, 3.
LibreCat: /record/7400

Andries, M., Engels, G., Habel, A., Hoffmann, B., Kreowski, H.-J., Kuske, S.,http://dx.doi.org/10.1016/S0167-6423(98)00023-9__Taentzer, G. (1999). Graph Transformation for Specification and Programming. Science of Computer Programming, 34(1), 1–54.http://dx.doi.org/10.1016/S0167-6423(98)00023-9 
LibreCat: /record/7401
DOI: http://dx.doi.org/10.1016/S0167-6423(98)00023-9

Ehrig, H., Engels, G., Kreowski, H. J., &; Rozenberg, G. (1999). Handbook of Graph Grammars and Computing by Graph Transformation: Vol. 2: Applications, Languages, and Tools. River Edge, NJ, USA: World Scientific Publishing Co., Inc.
LibreCat: /record/7510

Heckel, R., Engels, G., Ehrig, H., &; Taentzer, G. (1999). A View-based Approach to System Modeling Based on Open Graph Transformation Systems. In Handbook of Graph Grammars and Computing by Graph Transformations, Volume 2: Applications, Languages and Tools (pp. 639–668). Singapore: World Scientific.
LibreCat: /record/7518

Heckel, R., Engels, G., Ehrig, H., &; Taentzer, G. (1999). Classification and Comparison of Module Concepts for Graph Transformation Systems. In Handbook of Graph Grammars and Computing by Graph Transformations, Volume 2: Applications, Languages and Tools (Vol. 2, pp. 669–689). Singapore: World Scientific.
LibreCat: /record/7519

Engels, G., Ehrig, H., Orejas, F., &; Wirsing, M. (Eds.). (1998). Semi-Formal and Formal Specification Techniques (Vol. 218). Schloss Dagstuhl, Leibniz Center for Informatics.
LibreCat: /record/7793

Engels, G., Ehrig, H., Kreowski, H.-J., &; Rozenberg, G. (Eds.). (1998). 6th International Workshop on Theory and Applications of Graph Transformations (TAGT ’98), Paderborn, Selected Papers (Vol. 1764). Berlin/Heidelberg: Springer.
LibreCat: /record/7794

Depke, R., Engels, G., Mehner, K., Sauer, S., &; Wagner, A. (1998). Ein Ansatz zur Verbesserung des Entwicklungsprozesses von Multimedia-Anwendungen. In Proceedings of the GI-Fachtagung on Softwaretechnik (1998), Paderborn (Germany) (Vol. 18, pp. 12–19). GI.
LibreCat: /record/7843

Didrich, K., &; Wagner, A. (1998). Integration of Single Pushout Transformation and Functional Programming. In Proceedings of the World Conference on Integrated Design and Process Technology (IDPT 1998), Berlin (Germany) (Vol. 4, pp. 65–73). Society for Design and Process Science.
LibreCat: /record/7844

Cherchago, A. (1998). A generalized schema of a decision-making process of a SCENAR-therapeutist. In Proceedings of the Scientific and Technical Conference on Medical Information Systems (MIS 1998), Taganrog (Russia).
LibreCat: /record/7845

Heckel, R. (1998). Compositional Verification of Reactive Systems Specified by Graph Transformation. In Proceedgins of the First International Conference on Fundamental Approaches to Software Engineering (FASE 1998), Lisbon (Portugal) (Vol. 1382, pp. 138–153). Berlin/Heidelberg: Springer.http://dx.doi.org/10.1007/BFb0053578 
LibreCat: /record/7847
DOI: http://dx.doi.org/10.1007/BFb0053578

Padberg, J., Jansen, L., Heckel, R., &; Ehrig, H. (1998). Interoperability in Train Control Systems: Specification of Scenarios Using Open Nets. In Proceedings of the conference on Integrated Design and Process Technology (IDPT 1998), Berlin (Germany) (pp. 17–28). Society for Design and Process Science.
LibreCat: /record/7848

Engels, G., &; Kolmschlag, S. (1998). Electronic Commerce Systeme als Anwendungsbeispiel für Evolutionstechniken. University of Paderborn, C-LAB.
LibreCat: /record/8202

Kolmschlag, S., &; Engels, G. (1998). Unterstützung der Flexibilität eines Electronic Commerce Systems durch Evolutionstechniken. In Proceedings of the workshop on “Integration heterogener Softwaresysteme” (satellite event of the GI-Jahrestagung Informatik 1998), Magdeburg (Germany) (pp. 13–24). GI.
LibreCat: /record/8280

Corradini, A., Große-Rhode, M., &; Heckel, R. (1998). Structured Transition Systems as Lax Coalgebras. In Proceedings of the First Workshop on Coalgebraic Methods in Computer Science (CMCS 1998), Lisbon (Portugal) (Vol. 11). Elsevier.
LibreCat: /record/8281

Heckel, R., Hoffmann, B., Knirsch, P., &; Kuske, S. (1998). Simple Modules for Grace. In Selected papers of the 6th International Workshop on Theory and Application of Graph Transformation (TAGT 1998), Paderborn (Germany) (Vol. 1764, pp. 215–224). Berlin/Heidelberg: Springer.
LibreCat: /record/8282

Ehrig, H., Heckel, R., Padberg, J., &; Rozenberg, G. (1998). Graph Transformation and Other Rule-Based Formalisms with Incomplete Information. In Proceedings of the 6th International Workshop on Theory and Application of Graph Transformation (TAGT 1998), Paderborn (Germany).
LibreCat: /record/8283

Ehrig, H., Heckel, R., Llabrés, M., Orejas, F., Padberg, J., &; Rozenberg, G. (1998). Double-Pullback Graph Transitions: A Rule-Based Framework with Incomplete Information. In Selected papers from the 6th International Workshop on Theory and Application of Graph Transformations (TAGT 1998), Paderborn (Germany) (Vol. 1764, pp. 85–102). Berlin/Heidelberg: Springer.http://dx.doi.org/10.1007/b75045 
LibreCat: /record/8284
DOI: http://dx.doi.org/10.1007/b75045

Ehrig, H., Engels, G., Heckel, R., &; Taentzer, G. (1998). Classification and Comparison of Modularity Concepts for Graph Transformation Systems. In Pre-Proceedings of the 6th International Workshop on Theory and Application of Graph Transformation (TAGT ’98), Paderborn (Germany) (pp. 122–131). University of Paderborn.
LibreCat: /record/8285

Gadducci, F., Heckel, R., &; Koch, M. (1998). Model Checking Graph-Interpreted Temporal Formulas. In Proceedings of the 6th International Workshop on Theory and Application of Graph Transformation (TAGT 1998), Paderborn (Germany). Paderborn.
LibreCat: /record/8286

Gadducci, F., Heckel, R., &; Llabrés, M. (1998). DPO Derivations via Disconnected Rules. In Proceedings of the 6th International Workshop on Theory and Application of Graph Transformation (TAGT 1998), Paderborn (Germany).
LibreCat: /record/8287

Sauer, S., &; Zukunft, O. (1998). Event Processing in Mobile and Active Database Systems Using Broadcasts. In Proceedings of the 9th International Workshop on Database and Expert Systems Applications (DEXA 1998), Vienna (Austria) (pp. 420–426). Washington, DC, USA: IEEE Computer Society.
LibreCat: /record/8288

Ehrig, H., Heckel, R., Llabrés, M., &; Orejas, F. (1998). Construction and Characterisation of Double-Pullback Graph Transitions. In Proceedings of the 6th International Workshop on Theory and Application of Graph Transformation (TAGT 1998), Paderborn (Germany).
LibreCat: /record/8289

Heckel, R. (1998). Open Graph Transformation Systems: A New Approach to the Compositional Modelling of Concurrent and Reactive Systems.
LibreCat: /record/7587

Engels, G. (Ed.). (1997). Themenheft: Softwaretechnik (Vol. 12). Berlin/Heidelberg: Springer.http://dx.doi.org/10.1007/s004500050085 
LibreCat: /record/7795
DOI: http://dx.doi.org/10.1007/s004500050085

Engels, G., Heckel, R., Taentzer, G., &; Ehrig, H. (1997). A View-Oriented Approach to System Modelling Using Graph Transformations. In M. Jazayeri &; H. Schauer (Eds.), Proceedings European Software Engineering Conference (ESEC 1997), Zürich (Switzerland) (Vol. 1301, pp. 327–343). Berlin/Heidelberg: Springer.http://dx.doi.org/10.1007/3-540-63531-9 
LibreCat: /record/7839
DOI: http://dx.doi.org/10.1007/3-540-63531-9

Depke, R., Knoke, S., Schöne, W., Tünnermann, A., &; Welling, H. (1997). Thermooptische Effekte in Nd:YAG-Slablasern. In Verhandlungen der Deutschen Physikalischen Gesellschaft (Vol. 32). Weinheim, Germany: Physik-Verlag.
LibreCat: /record/7840

Heckel, R., Ehrig, H., Wolter, U., &; Corradini, A. (1997). Integrating the Specification Techniques of Graph Transformation and Temporal Logic. In Proceedings of the 22nd International Symposium on Mathematical Foundations of Computer Science (MFCS 1997), Bratislava (Slovakia) (pp. 219–228). London, UK: Springer.http://dx.doi.org/10.1007/BFb0029965 
LibreCat: /record/7841
DOI: http://dx.doi.org/10.1007/BFb0029965

Knoke, S., Depke, R., Schöne, W., Brozek, O. S., Tünnermann, A., &; Welling, H. (1997). Einfrequenzbetrieb von Nd:YAG-Stablasersystemen hoher Ausgangsleistung. In Verhandlungen der Deutschen Physikalischen Gesellschaft, Weinheim (Germany) (Vol. 32). Physik-Verlag.
LibreCat: /record/7842

Heckel, R., Ehrig, H., Wolter, U., &; Corradini, A. (1997). Loose Semantics and Constraints for Graph Transformation Systems.
LibreCat: /record/8201

Gadducci, F., &; Heckel, R. (1997). A 2-Categorical Presentation of Distributed Graph Transformation. In Proceedings of the Workshop on the General Theory of Graph Transformation Systems (GETGRATS 1997), Bordeaux (France). Bordeaux.
LibreCat: /record/8276

Gadducci, F., Heckel, R., &; Koch, M. (1997). Combining Graph Transformations with Temporal Logic. In Proceedings of the Workshop on the General Theory of Graph Transformation Systems (GETGRATS 1997), Bordeaux (France). Bordeaux.
LibreCat: /record/8277

Gadducci, F., &; Heckel, R. (1997). An Inductive View of Graph Transformation. In Proceedings of the 12th International Workshop on Recent Trends in Algebraic Development Techniques (WADT 1997), Tarquinia (Italy) (Vol. 1376, pp. 223–237). Berlin/Heidelberg: Springer.
LibreCat: /record/8278

Heckel, R. (1997). Compositional Development and Verification of Graph Transformation Systems Based on Views and View Integration. In Proceedings of the Workshop on the General Theory of Graph Transformation Systems (GETGRATS 1997), Bordeaux (France).
LibreCat: /record/8279

Engels, G., &; Jürgen Schneider, H. (1997). Guest Editors’ Introduction. International Journal on Software Engineering and Knowledge Engineering (IJSEKE), 7(4), 397–400.http://dx.doi.org/10.1142/S0218194097000230 
LibreCat: /record/7402
DOI: http://dx.doi.org/10.1142/S0218194097000230

Engels, G., Heckel, R., Taentzer, G., &; Ehrig, H. (1997). A Combined Reference Model- and View-Based Approach to System Specification. Int. Journal of Software and Knowledge Engeneering, 7(4), 457–477.
LibreCat: /record/7403

Ehrig, H., Heckel, R., Korff, M., Löwe, M., Ribeiro, L., Wagner, A., &; Corradini, A. (1997). Algebraic Approaches to Graph Transformation, Part II: Single Pushout Approach and Comparison with Double Pushout Approach. In Handbook of Graph Grammars and Computing by Graph Transformations, Volume 1: Foundations (pp. 247–312). Singapore: World Scientific.
LibreCat: /record/7515

Engels, G., Rekers, J., &; Andries, M. (1997). How to represent a visual specification. In Visual Language Theory (pp. 241–255). Berlin/Heidelberg: Springer.
LibreCat: /record/7516

Corradini, A., Montanari, U., Rossi, F., Ehrig, H., Heckel, R., &; Löwe, M. (1997). Algebraic Approaches to Graph Transformation, Part I: Basic Concepts and Double Pushout Approach. In Handbook of Graph Grammars and Computing by Graph Transformation, Volume 1: Foundations (pp. 163–245). Singapore: World Scientific.
LibreCat: /record/7517

Engels, G., Ehrig, H., Rozenberg, G., &; Skowron, A. (Eds.). (1996). Special Issue on Graph Transformations (Vol. 26). Amsterdam: IOS Press.
LibreCat: /record/7796

Ehrig, H., Heckel, R., Padberg, J., Taentzer, G., Wolter, U., Corradini, A., &; Engels, G. (1996). Synchronization of Views and Loose Semantics of Typed Graph Productions. In Report on the Dagstuhl-Seminar 9637 on Graph Transformations in Computer Science (pp. 11–12). Technical University of Berlin.
LibreCat: /record/7834

Heckel, R. (1996). Behavioral Constraints for Loose Graph Transformation Systems. In Report on the Dagstuhl-Seminar 9637 on Graph Transformations in Computer Science (pp. 12–13). Technical University of Berlin.
LibreCat: /record/7835

de Bunje, T., Engels, G., Groenewegen, L., Matsinger, A., &; Rijnbeek, M. (1996). Industrial maintenance modelled in SOCCA: an experience report. In Proceedings of the Fourth International Conference on the Software Process (ICSP 1996), Brighton (UK) (pp. 13–26). Washington, DC, USA: IEEE Computer Society.http://dx.doi.org/10.1109/ICSP.1996.565021 
LibreCat: /record/7836
DOI: http://dx.doi.org/10.1109/ICSP.1996.565021

Engels, G., Ehrig, H., Heckel, R., Taentzer, G., &; Corradini, A. (1996). A View-Based Approach to System Modelling. In Report on Dagstuhl-Seminar 9637 on Graph Transformations in Computer Science (Vol. 155, p. 11). Technical University of Berlin.
LibreCat: /record/7837

Engels, G., Groenewegen, L., &; Kappel, G. (1996). Object-oriented specification of coordinated collaboration. In Proceedings of IFIP World Conference on IT Tools (1996), Canberra (Australia) (pp. 437–452). Chapman &; Hall.
LibreCat: /record/7838

Andries, M., Engels, G., Habel, A., Hoffmann, B., Kreowski, H.-J., Kuske, S.,  Taentzer, G. (1996). Graph Transformation for Specification and Programming. University of Bremen, Department of Mathematics and Computer Science.
LibreCat: /record/8197

Busatto, G., &; Engels, G. (1996). Definition of an Encapsulated Hierarchical Graph Data Model: Static Aspects, Part 1. Vakgroep Informatica, Rijksuniversiteit Leiden.
LibreCat: /record/8198

Engels, G., Groenewegen, L., &; Kappel, G. (1996). Object-oriented Specification of Coordinated Collaboration. Vakgroep Informatica, Rijksuniversiteit Leiden.
LibreCat: /record/8199

Heckel, R., Corradini, A., Ehrig, H., &; Löwe, M. (1996). Horizontal and Vertical Structuring of Typed Graph Transformation Systems.
LibreCat: /record/8200

de Bunje, T., Engels, G., Groenewegen, L., Heus, M., &; Matsinger, A. (1996). Towards Measurable Process Models. In Proceedings of the Workshop on Software Process Technology (EWSPT 1996), Nancy (France) (Vol. 1149, pp. 183–187). Berlin/Heidelberg: Springer.http://dx.doi.org/10.1007/BFb0017743 
LibreCat: /record/8271
DOI: http://dx.doi.org/10.1007/BFb0017743

Ehrig, H., &; Engels, G. (1996). Pragmatic and Semantic Aspects of a Module Concept for Graph Transformation Systems. In Selected papers from the 5th International Workshop on Graph Gramars and Their Application to Computer Science, Williamsburg, VA (USA) (Vol. 1073, pp. 137–154). Berlin/Heidelberg: Springer.
LibreCat: /record/8272

Engels, G., &; Zamperoni, A. (1996). Comprehensive Support for Change: Generic, Multi-dimensional (Software) Engineering Frameworks (position paper). In Proceedings of the Workshop on Requirements Engineering in a Changing World (satellite event of the Conference on Advanced Information Systems Engineering (CAISE 1996)), Crete (Greece) (pp. 42–44).
LibreCat: /record/8273

Groenewegen, L., &; Engels, G. (1996). Reuse of Software Process Fragments is Reuse of Software, too. In Proceedings of the 10th International Software Process Workshop (ISPW 1996), Ventron (France) (p. 68). Washington, DC, USA: IEEE Computer Society.
LibreCat: /record/8274

Heckel, R., Conrad, M., Egger, G., &; Hiemer, J. (1996). Automatic Integration of Safety Invariants into Z Specifications. In Proceedings of the Workshop on Tools for System Development and Verifcation (Vol. 1, pp. 70–83). Bremen, Germany: Shaker Verlag.
LibreCat: /record/8275

Habel, A., Heckel, R., &; Taentzer, G. (1996). Graph Grammars with Negative Application Conditions. Fundamenta Informaticae, 26(3,4), 287–313.
LibreCat: /record/7404

Heckel, R., Corradini, A., Ehrig, H., &; Löwe, M. (1996). Horizontal and Vertical Structuring of Typed Graph Transformation Systems. Mathematical Structures in Computer Science, 6(6), 613–648.
LibreCat: /record/7405

Andries, M., &; Engels, G. (1996). A Hybrid Query Language for the Extended Entity Relationship Model. Journal of Visual Languages and Computing, 7(3), 321–352.http://dx.doi.org/10.1006/jvlc.1996.0017 
LibreCat: /record/7406
DOI: http://dx.doi.org/10.1006/jvlc.1996.0017

Engels, G., Nagl, M., Schäfer, W., &; Westfechtel, B. (1996). Tight Integration on One Document: The Programming Environment. In Building Tightly Integrated Software Development Environments: The IPSEN Approach (Vol. 1170, pp. 170–177). Berlin/Heidelberg: Springer.
LibreCat: /record/7514

Heckel, R., Müller, J., Taentzer, G., &; Wagner, A. (1995). Attributed Graph Transformations with Controlled Application of Rules. In Proceedings of the Colloquium on Graph Transformation and its Application in Computer Science. Universitat de les Illes Balears.
LibreCat: /record/7831

Thoben, W., Appelrath, H.-J., &; Sauer, S. (1995). Record Linkage of Anonymous Data by Control Numbers. In Proceedings of the 18th Annual Conference of the Gesellschaft für Klassifikation, Oldenburg (Germany) (pp. 412–419). Berlin/Heidelberg: Springer.
LibreCat: /record/7832

Heckel, R. (1995). Embedding of Conditional Graph Transformations. In Proceedings of the Colloquium on Graph Transformation and its Application in Computer Science. Universitat de les Illes Balears.
LibreCat: /record/7833

Conrad, M., Gajewsky, M., Holl-Biniasz, R., Rudolf, M., Demuth, J., Weber, S.,  Wagner, A. (1995). Graphische Spezifikation ausgewählter Teile von AGG - einem algebraischen Graphgrammatiksystem.
LibreCat: /record/8194

Ebert, J., &; Engels, G. (1995). Specialization of Object Life Cycle Definitions. Koblenz: University of Koblenz-Landau.
LibreCat: /record/8195

Engels, G., &; Schürr, A. (1995). Encapsulated Hierarchical Graphs, Graph Types, and Meta Types. Vakgroep Informatica, Rijksuniversiteit Leiden.
LibreCat: /record/8196

Groenewegen, L., &; Engels, G. (1995). Coordination by Behavioural Views and Communication Patterns. In Proceedings of the 4th European Workshop on Software Process Technology (EWSPT 1995), Noordwijkerhout (The Netherlands) (Vol. 913, pp. 189–192). Berlin/Heidelberg: Springer.http://dx.doi.org/10.1007/3-540-59205-9_56 
LibreCat: /record/8266
DOI: http://dx.doi.org/10.1007/3-540-59205-9_56

Corradini, A., &; Heckel, R. (1995). A Compositional Approach to Structuring and Refinement of Typed Graph Grammars. In Proceedings of the Joint COMPUGRAPH/SEMAGRAPH Workshop on Graph Rewriting and Computation (SEGRAGRA 1995), Volterra (Italy) (Vol. 2, pp. 46–55). Elsevier.
LibreCat: /record/8267

Bardohl, B., Bardohl, R., Castro, P., Ehrig, H., Heckel, R., Ribeiro, L.,  Martini, A. (1995). GRAPHIT: Graphical Support and Integration of Formal and Semiformal Methods for Software Specification and Development. In Proceedings of the 3rd German-Brazilian Workshop on Information Technology (1995), Berlin (Germany) (Vol. 26). Forschungszentrum Jülich GmbH.
LibreCat: /record/8268

Engels, G., &; Schürr, A. (1995). Encapsulated Hierarchical Graphs, Graph Types, and Meta Types. In Proceedings of the Joint COMPUGRAPH/SEMAGRAPH Workshop on Graph Rewriting and Computation (SEGRAGRA 1995), Volterra (Italy) (pp. 101–109). Amsterdam, The Netherlands: Elsevier.http://dx.doi.org/10.1016/S1571-0661(05)80186-0 
LibreCat: /record/8269
DOI: http://dx.doi.org/10.1016/S1571-0661(05)80186-0

Heckel, R., &; Wagner, A. (1995). Ensuring Consistency of Conditional Graph Grammars - A constructive Approach. In Proceedings of the Joint COMPUGRAPH/SEMAGRAPH Workshop on Graph Rewriting and Computation (SEGRAGRA 1995), Volterra (Italy) (Vol. 2, pp. 118–126). Elsevier.http://dx.doi.org/10.1016/S1571-0661(05)80188-4 
LibreCat: /record/8270
DOI: http://dx.doi.org/10.1016/S1571-0661(05)80188-4

Ehrich, H.-D., Engels, G., Paredaens, J., &; Wegner, J. (Eds.). (1994). Fundamentals of Object-Oriented Languages, Systems, and Methods (Vol. 95). Schloss Dagstuhl, Leibniz Center for Informatics.
LibreCat: /record/7797

Cuny, J., Ehrig, H., Engels, G., &; Rozenberg, G. (Eds.). (1994). Graph Gramars and Their Application to Computer Science, 5th International Workshop (1994), Selected Papers (Vol. 1073). Berlin/Heidelberg: Springer.http://dx.doi.org/10.1007/3-540-61228-9 
LibreCat: /record/7798
DOI: http://dx.doi.org/10.1007/3-540-61228-9

Thoben, W., Appelrath, H.-J., Rettig, J., &; Sauer, S. (1994). Berücksichtigung von Datenschutzaspekten in einem bevölkerungsbezogenen Krebsregister. In Proceedings of the conference on Medizin und Information, Biometrie und Epidemiologie (GMDS 1994), Dresden (Germany) (pp. 88–90). München: MMV Medizin Verlag.
LibreCat: /record/7827

Ebert, J., &; Engels, G. (1994). Structural and Behavioural Views on OMT-Classes. In Proceedings of the International Symposium on Object-Oriented Methodologies and Systems (ISOOMS 1994), Palermo (Italy) (Vol. 858, pp. 142–157). Berlin/Heidelberg: Springer.
LibreCat: /record/7828

Engels, G., &; Kappel, G. (1994). Object-Oriented System Development: Will the New Approach Solve Old Problems? In Proceedings of the IFIP 13th World Computer Congress on Information Processing, Hamburg (Germany) (Vol. 3, pp. 434–441). Elsevier.
LibreCat: /record/7829

Engels, G., &; Ehrig, H. (1994). Towards a Module Concept for Graph Transformation Systems: The Software Engineering Perspective. In Proceedings Colloquium on Graph Transformation and its Application in Computer Science (Vol. B-19). Universitat de les Illes Balears, Departament de Ci.
LibreCat: /record/7830

Ebert, J., &; Engels, G. (1994). Observable or Invocable Behaviour - You Have to Choose. Vakgroep Informatica, Rijksuniversiteit Leiden.
LibreCat: /record/8193

Andries, M., &; Engels, G. (1994). Syntax and Semantics of Hybrid Database Languages. In Proceedings of the International Workshop on Graph Transformations in Computer Science (1993), Dagstuhl (Germany) (Vol. 776, pp. 19–36). Berlin/Heidelberg: Springer.http://dx.doi.org/10.1007/3-540-57787-4_2 
LibreCat: /record/8263
DOI: http://dx.doi.org/10.1007/3-540-57787-4_2

Engels, G., &; Groenewegen, L. (1994). Specification of coordinated behaviour by SOCCA. In Proceedings of the Third European Workshop on Software Process Technology (EWSPT 1994), Villard de Lans (France) (pp. 128–151). Berlin/Heidelberg: Springer.http://dx.doi.org/10.1007/3-540-57739-4_19 
LibreCat: /record/8264
DOI: http://dx.doi.org/10.1007/3-540-57739-4_19

Engels, G., &; Löhr, P. (1994). Visual Specification of Complex Database Actions. In Proceedings of the 2nd International East/West Database Workshop, Klagenfurt (Germany) (pp. 303–314). Berlin/Heidelberg: Springer.
LibreCat: /record/8265

Löhr-Richter, P., &; Engels, G. (1994). Visuelles Spezifizieren von komplexen Aktionen auf Datenbankstrukturen. GI-Datenbank Rundbrief, 13, 33–35.
LibreCat: /record/7407

Ebert, J., &; Engels, G. (1994). Design Representation. In Encyclopedia of Software Engineering (pp. 382–394). John Wiley &; Sons, Inc.
LibreCat: /record/7512

Engels, G., &; Groenewegen, L. (1994). SOCCA: Specifications of Coordinated and Cooperative Activities. In Software Process Modelling and Technology (pp. 71–102). Taunton: Research Studies Press.
LibreCat: /record/7513

Engels, G., &; Verrijn-Stuart, A. A. (1993). Integrationsaspekte bei verteilter Software-Entwicklung. In Fortschritt-Berichte VDI (pp. 45–53). VDI Verlag.
LibreCat: /record/7826

Andries, M., &; Engels, G. (1993). A Hybrid Query Language for the Extended Entity Relationship Model. Vakgroep Informatica, Rijksuniversiteit Leiden.
LibreCat: /record/8190

Ehrig, H., &; Engels, G. (1993). Towards a Module Concept for Graph Transformation Systems. Vakgroep Informatica, Rijksuniversiteit Leiden.
LibreCat: /record/8191

Engels, G., &; Rozenberg, G. (1993). Abstracts COMPUGRAPH II Workshop. Vakgroep Informatica, Rijksuniversiteit Leiden.
LibreCat: /record/8192

Engels, G., &; Groenewegen, L. (1993). Modular, Visual Specifications of Software Processes. In Proceedings of the Workshop on Software Process (ISPW 1993), Wadern (Germany) (pp. 66–68). Washington, DC, USA: IEEE Computer Society.
LibreCat: /record/8262

Koopman, P., Groenewegen, L., &; Engels, G. (1992). Functional Description of Parallel Processes. In Proceedings of the conference SION Computing Science in the Netherlands (CSN ’92), The Netherlands (pp. 156–167).
LibreCat: /record/7825

Engels, G. (1992). Visual Specifications of Conceptual Database Schemata (Abstract). Leiden University.
LibreCat: /record/8189

Engels, G., &; Löhr-Richter, P. (1992). CADDY: A Highly Integrated Environment to Support Conceptual Database Design. In Proceedings of the Fifth International Workshop on Computer-Aided Software Engineering (CASE 1992), Montreal (Canada) (pp. 19–22). Washington, DC, USA: IEEE Computer Society.
LibreCat: /record/8260

Engels, G., &; Groenewegen, L. (1992). Specification of Coordinated Behaviour in the Software Development Process. In Proceedings of the Second European Workshop on Software Process Technology (EWSPT 92), Trondheim, Norway (Vol. 635, pp. 58–60). Berlin/Heidelberg: Springer.http://dx.doi.org/10.1007/BFb0017495 
LibreCat: /record/8261
DOI: http://dx.doi.org/10.1007/BFb0017495

Hohenstein, U., &; Engels, G. (1992). SQL/EER - Syntax and Semantics of an Entity-Relationship-Based Query Language. Information Systems, 17(3), 209–242.http://dx.doi.org/10.1016/0306-4379(92)90014-E 
LibreCat: /record/7408
DOI: http://dx.doi.org/10.1016/0306-4379(92)90014-E

Engels, G., Lewerentz, C., Nagl, M., Schäfer, W., &; Schürr, A. (1992). Building Integrated Software Development Environments, Part I: Tool Specification. ACM Transactions on Software Engineering and Methodology (TOSEM), 1(2), 135–167.
LibreCat: /record/7409

Engels, G., Gogolla, M., Hohenstein, U., Hülsmann, K., Löhr-Richter, P., Saake, G., &; Ehrich, H.-D. (1992). Conceptual Modelling of Database Applications Using an Extended ER Model. Data &; Knowledge Engineering, 9(2), 157–204.http://dx.doi.org/10.1016/0169-023X(92)90008-Y 
LibreCat: /record/7410
DOI: http://dx.doi.org/10.1016/0169-023X(92)90008-Y

Löhr-Richter, P., &; Engels, G. (1991). Incremental Design of Conceptual Database Schemata with CADDY. Leiden University, P.O. Box 9500, 2300 RA Leiden, The Netherlands: Leiden University.
LibreCat: /record/8188