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906 Publications
1996 | Journal Article | LibreCat-ID: 7406
Andries, Marc, and Gregor Engels. “A Hybrid Query Language for the Extended Entity Relationship Model.” Journal of Visual Languages and Computing 7, no. 3 (1996): 321–52. http://dx.doi.org/10.1006/jvlc.1996.0017.
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| DOI
1996 | Book Chapter | LibreCat-ID: 7514
Engels, Gregor, Manfred Nagl, Wilhelm Schäfer, and Bernhard Westfechtel. “Tight Integration on One Document: The Programming Environment.” In Building Tightly Integrated Software Development Environments: The IPSEN Approach, 1170:170–77. LNCS. Berlin/Heidelberg: Springer, 1996.
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1995 | Conference Paper | LibreCat-ID: 7831
Heckel, Reiko, Jürgen Müller, Gabriele Taentzer, and Annika Wagner. “Attributed Graph Transformations with Controlled Application of Rules.” In Proceedings of the Colloquium on Graph Transformation and Its Application in Computer Science. Technical Report. Universitat de les Illes Balears, 1995.
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1995 | Conference Paper | LibreCat-ID: 7832
Thoben, Wilfried, Hans-Jürgen Appelrath, and Stefan Sauer. “Record Linkage of Anonymous Data by Control Numbers.” In Proceedings of the 18th Annual Conference of the Gesellschaft Für Klassifikation, Oldenburg (Germany), 412–19. Studies in Classification, Data Analysis, and Knowledge Organization. Berlin/Heidelberg: Springer, 1995.
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1995 | Conference Paper | LibreCat-ID: 7833
Heckel, Reiko. “Embedding of Conditional Graph Transformations.” In Proceedings of the Colloquium on Graph Transformation and Its Application in Computer Science. Technical Report. Universitat de les Illes Balears, 1995.
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1995 | Report | LibreCat-ID: 8194
Conrad, Mirko, Magdalena Gajewsky, Rainer Holl-Biniasz, Michael Rudolf, Jochen Demuth, Stephan Weber, Reiko Heckel, Jürgen Müller, Gabriele Taentzer, and Annika Wagner. Graphische Spezifikation Ausgewählter Teile von AGG - Einem Algebraischen Graphgrammatiksystem, 1995.
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1995 | Report | LibreCat-ID: 8195
Ebert, Jürgen, and Gregor Engels. Specialization of Object Life Cycle Definitions. Koblenz: University of Koblenz-Landau, 1995.
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1995 | Report | LibreCat-ID: 8196
Engels, Gregor, and Andy Schürr. Encapsulated Hierarchical Graphs, Graph Types, and Meta Types. Vakgroep Informatica, Rijksuniversiteit Leiden, 1995.
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1995 | Conference Paper | LibreCat-ID: 8266
Groenewegen, Luuk, and Gregor Engels. “Coordination by Behavioural Views and Communication Patterns.” In Proceedings of the 4th European Workshop on Software Process Technology (EWSPT 1995), Noordwijkerhout (The Netherlands), 913:189–92. LNCS. Berlin/Heidelberg: Springer, 1995. http://dx.doi.org/10.1007/3-540-59205-9_56.
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1995 | Conference Paper | LibreCat-ID: 8267
Corradini, Andrea, and Reiko Heckel. “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), 2:46–55. Electronic Notes in Theoretical Computer Science . Elsevier, 1995.
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1995 | Conference Paper | LibreCat-ID: 8268
Bardohl, Bernhard, Roswitha Bardohl, Paulo Castro, Hartmut Ehrig, Reiko Heckel, Leila Ribeiro, Daltro Nunes, and Alfio Martini. “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. Bilateral Seminars of the International Bureau. Forschungszentrum Jülich GmbH, 1995.
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1995 | Conference Paper | LibreCat-ID: 8269
Engels, Gregor, and Andy Schürr. “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), 101–9. Electronic Notes in Theoretical Computer Science. Amsterdam, The Netherlands: Elsevier, 1995. http://dx.doi.org/10.1016/S1571-0661(05)80186-0.
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1995 | Conference Paper | LibreCat-ID: 8270
Heckel, Reiko, and Annika Wagner. “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), 2:118–26. Electronic Notes in Theoretical Computer Science. Elsevier, 1995. http://dx.doi.org/10.1016/S1571-0661(05)80188-4.
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1994 | Conference (Editor) | LibreCat-ID: 7797
Ehrich, Hans-Dietrich, Gregor Engels, J. Paredaens, and Jan Wegner, eds. Fundamentals of Object-Oriented Languages, Systems, and Methods. Vol. 95. Dagstuhl-Seminar-Report. Schloss Dagstuhl, Leibniz Center for Informatics, 1994.
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1994 | Conference (Editor) | LibreCat-ID: 7798
Cuny, Janice, Hartmut Ehrig, Gregor Engels, and Grzegorz Rozenberg, eds. Graph Gramars and Their Application to Computer Science, 5th International Workshop (1994), Selected Papers. Vol. 1073. LNCS. Berlin/Heidelberg: Springer, 1994. http://dx.doi.org/10.1007/3-540-61228-9.
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| DOI
1994 | Conference Paper | LibreCat-ID: 7827
Thoben, Wilfried, Hans-Jürgen Appelrath, Jens Rettig, and Stefan Sauer. “Berücksichtigung von Datenschutzaspekten in Einem Bevölkerungsbezogenen Krebsregister.” In Proceedings of the Conference on Medizin Und Information, Biometrie Und Epidemiologie (GMDS 1994), Dresden (Germany), 88–90. München: MMV Medizin Verlag, 1994.
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1994 | Conference Paper | LibreCat-ID: 7828
Ebert, Jürgen, and Gregor Engels. “Structural and Behavioural Views on OMT-Classes.” In Proceedings of the International Symposium on Object-Oriented Methodologies and Systems (ISOOMS 1994), Palermo (Italy), 858:142–57. Berlin/Heidelberg: Springer, 1994.
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1994 | Conference Paper | LibreCat-ID: 7829
Engels, Gregor, and Gerti Kappel. “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), 3:434–41. Elsevier, 1994.
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1994 | Conference Paper | LibreCat-ID: 7830
Engels, Gregor, and Hartmut Ehrig. “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. Technical Report . Universitat de les Illes Balears, Departament de Ci, 1994.
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1994 | Report | LibreCat-ID: 8193
Ebert, Jürgen, and Gregor Engels. Observable or Invocable Behaviour - You Have to Choose. Vakgroep Informatica, Rijksuniversiteit Leiden, 1994.
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1994 | Conference Paper | LibreCat-ID: 8263
Andries, Marc, and Gregor Engels. “Syntax and Semantics of Hybrid Database Languages.” In Proceedings of the International Workshop on Graph Transformations in Computer Science (1993), Dagstuhl (Germany), 776:19–36. LNCS. Berlin/Heidelberg: Springer, 1994. http://dx.doi.org/10.1007/3-540-57787-4_2.
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| DOI
1994 | Conference Paper | LibreCat-ID: 8264
Engels, Gregor, and Luuk Groenewegen. “Specification of Coordinated Behaviour by SOCCA.” In Proceedings of the Third European Workshop on Software Process Technology (EWSPT 1994), Villard de Lans (France), 128–51. LNCS. Berlin/Heidelberg: Springer, 1994. http://dx.doi.org/10.1007/3-540-57739-4_19.
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| DOI
1994 | Conference Paper | LibreCat-ID: 8265
Engels, Gregor, and Perdita Löhr. “Visual Specification of Complex Database Actions.” In Proceedings of the 2nd International East/West Database Workshop, Klagenfurt (Germany), 303–14. Berlin/Heidelberg: Springer, 1994.
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1994 | Journal Article | LibreCat-ID: 7407
Löhr-Richter, Perdita, and Gregor Engels. “Visuelles Spezifizieren von Komplexen Aktionen Auf Datenbankstrukturen.” GI-Datenbank Rundbrief 13 (1994): 33–35.
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1994 | Book Chapter | LibreCat-ID: 7512
Ebert, Jürgen, and Gregor Engels. “Design Representation.” In Encyclopedia of Software Engineering, 382–94. John Wiley & Sons, Inc., 1994.
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1994 | Book Chapter | LibreCat-ID: 7513
Engels, Gregor, and Luuk Groenewegen. “SOCCA: Specifications of Coordinated and Cooperative Activities.” In Software Process Modelling and Technology, 71–102. Taunton: Research Studies Press, 1994.
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1993 | Conference Paper | LibreCat-ID: 7826
Engels, Gregor, and A.A. Verrijn-Stuart. “Integrationsaspekte Bei Verteilter Software-Entwicklung.” In Fortschritt-Berichte VDI, 45–53. Reihe 10: Informatik/Kommunikationstechnik. VDI Verlag, 1993.
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1993 | Report | LibreCat-ID: 8190
Andries, Marc, and Gregor Engels. A Hybrid Query Language for the Extended Entity Relationship Model. Vakgroep Informatica, Rijksuniversiteit Leiden, 1993.
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1993 | Report | LibreCat-ID: 8191
Ehrig, Hartmut, and Gregor Engels. Towards a Module Concept for Graph Transformation Systems. Vakgroep Informatica, Rijksuniversiteit Leiden, 1993.
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1993 | Report | LibreCat-ID: 8192
Engels, Gregor, and Grzegorz Rozenberg. Abstracts COMPUGRAPH II Workshop. Vakgroep Informatica, Rijksuniversiteit Leiden, 1993.
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1993 | Conference Paper | LibreCat-ID: 8262
Engels, Gregor, and Luuk Groenewegen. “Modular, Visual Specifications of Software Processes.” In Proceedings of the Workshop on Software Process (ISPW 1993), Wadern (Germany), 66–68. Washington, DC, USA: IEEE Computer Society, 1993.
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1992 | Conference Paper | LibreCat-ID: 7825
Koopman, Pieter, Luuk Groenewegen, and Gregor Engels. “Functional Description of Parallel Processes.” In Proceedings of the Conference SION Computing Science in the Netherlands (CSN ’92), The Netherlands, 156–67, 1992.
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1992 | Report | LibreCat-ID: 8189
Engels, Gregor. Visual Specifications of Conceptual Database Schemata (Abstract). Leiden University, 1992.
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1992 | Conference Paper | LibreCat-ID: 8260
Engels, Gregor, and Perdita Löhr-Richter. “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), 19–22. Washington, DC, USA: IEEE Computer Society, 1992.
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1992 | Conference Paper | LibreCat-ID: 8261
Engels, Gregor, and Luuk Groenewegen. “Specification of Coordinated Behaviour in the Software Development Process.” In Proceedings of the Second European Workshop on Software Process Technology (EWSPT 92), Trondheim, Norway, 635:58–60. LNCS. Berlin/Heidelberg: Springer, 1992. http://dx.doi.org/10.1007/BFb0017495.
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| DOI
1992 | Journal Article | LibreCat-ID: 7408
Hohenstein, Uwe, and Gregor Engels. “SQL/EER - Syntax and Semantics of an Entity-Relationship-Based Query Language.” Information Systems 17, no. 3 (1992): 209–42. http://dx.doi.org/10.1016/0306-4379(92)90014-E.
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| DOI
1992 | Journal Article | LibreCat-ID: 7409
Engels, Gregor, Claus Lewerentz, Manfred Nagl, Wilhelm Schäfer, and Andy Schürr. “Building Integrated Software Development Environments, Part I: Tool Specification.” ACM Transactions on Software Engineering and Methodology (TOSEM) 1, no. 2 (1992): 135–67.
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1992 | Journal Article | LibreCat-ID: 7410
Engels, Gregor, Martin Gogolla, Uwe Hohenstein, Klaus Hülsmann, Perdita Löhr-Richter, Gunter Saake, and Hans-Dietrich Ehrich. “Conceptual Modelling of Database Applications Using an Extended ER Model.” Data & Knowledge Engineering 9, no. 2 (1992): 157–204. http://dx.doi.org/10.1016/0169-023X(92)90008-Y.
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| DOI
1991 | Report | LibreCat-ID: 8188
Löhr-Richter, Perdita, and Gregor Engels. Incremental Design of Conceptual Database Schemata with CADDY. Leiden University, P.O. Box 9500, 2300 RA Leiden, The Netherlands: Leiden University, 1991.
LibreCat
1990 | Conference Paper | LibreCat-ID: 7824
Hohenstein, Uwe, and Gregor Engels. “Formal Semantics of an Entity-Relationship Query Language.” In Proceedings of the 9th International Conference on Entity-Relationship Approach (ER 90), Lausanne, Switzerland, 177–88. ER Institute, 1990.
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1990 | Conference Paper | LibreCat-ID: 8259
Engels, Gregor. “Elementary Actions on an Extended Entity-Relationship Database.” In Proceedings of the Workshop on Graph Grammars and Their Application to Computer Science (1990), Bremen (Germany), 532:344–62. Berlin/Heidelberg: Springer, 1990. http://dx.doi.org/10.1007/BFb0017372.
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1989 | Conference Paper | LibreCat-ID: 7821
Ebert, Jürgen, and Gregor Engels. “Konzepte Einer Software-Architektur-Beschreibungssprache.” In Software-Entwicklung: Konzepte, Erfahrungen, Perspektiven, Fachtagung, 1989, Marburg (Germany), 212:238–50. Informatik-Fachberichte. Berlin/Heidelberg: Springer, 1989.
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1989 | Conference Paper | LibreCat-ID: 7822
Engels, Gregor. “CADDY-O: Syntaxgestütztes, Graphisches Entwerfen Konzeptioneller Datenbankschemata.” In Tagungsband GI-Fachtagung “Interaktive Schnittstellen Für Informationssysteme”, TU Clausthal, Notizen Zu Interaktive Systeme, 18:1–16, 1989.
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1989 | Conference Paper | LibreCat-ID: 7823
Engels, Gregor, Uwe Hohenstein, Klaus Hülsmann, Perdita Löhr-Richter, and Hans-Dietrich Ehrich. “CADDY: Computer-Aided Design of Non-Standard Databases.” In Proceedings of the International Conference on System Development Environments & Factories, Berlin, Germany. Berlin: Pitman Publishing, 1989.
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1989 | Report | LibreCat-ID: 8187
Engels, Gregor. Benutzerschnittstelle Und Architektur Der Integrierten Datenbankentwurfsumgebung CADDY (Kurzfassung). TU Braunschweig, 1989.
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1989 | Book | LibreCat-ID: 7511
Engels, Gregor, and Wilhelm Schäfer. Programmentwicklungsumgebungen: Konzepte Und Realisierung. Stuttgart: Teubner, 1989.
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1988 | Conference Paper | LibreCat-ID: 7818
Engels, Gregor, Thorsten Janning, and Wilhelm Schäfer. “A Highly Integrated Tool Set for Program Development Support.” In Proceedings of the Conference on ACM SIGSMALL/PC Symposium on ACTES (SIGSMALL 1988), Cannes (France), 1–10. New York, NY, USA: ACM Press, 1988. http://dx.doi.org/10.1145/62453.62454.
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1988 | Conference Paper | LibreCat-ID: 7819
Engels, Gregor, Uwe Hohenstein, Leonore Neugebauer, Gunter Saake, and Hans-Dietrich Ehrich. “Konzeption Einer Integrierten Datenbank-Entwurfsumgebung.” In Proceedings of DBTA/SI Data Dictionaries Und Entwicklungswerkzeuge Für Datenbank-Anwendungen, Zürich, Switzerland, 151–57. Verlag der Fachvereine an den Schweiz. Hochschulen und Techniken, 1988.
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1988 | Conference Paper | LibreCat-ID: 7820
Engels, Gregor, Uwe Hohenstein, Gunter Saake, and Hans-Dietrich Ehrich. “Auf Dem Weg Zu Einer Integrierten Datenbank-Entwurfsumgebung.” In Proceedings of the GI-Workshop on “Sprachspezifische Programmierumgebungen,” edited by Gregor Engels, Uwe Hohenstein, Gunter Saake, and Hans-D. Ehrich, 38–51. Darmstadt (Germany): G. Snelting, 1988.
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1988 | Report | LibreCat-ID: 8186
Ebert, Jürgen, and Gregor Engels. Ein Konzept Zur Beschreibung von Software-Architekturen. EWH Koblenz, 1988.
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