Küster, Jochen, and Joachim Stroop. “Towards Consistency of Dynamic Models and Analysis of Timing Constraints.” Proceedings of 1st Workshop on Formal Design Techniques for Real-Time Systems (Satellite Event of the UML 2000), York (UK), University of York, 2000.

Mehner, Katharina, and Tim Schattkowsky. “Methodische Aspekte von Modellierungssprachen Für Nebenläufige Software.” Proceedings of the 8th GROOM Workshop: Visuelle Verhaltensmodellierung Verteilter Und Nebenläufiger Softwaresysteme (VVVNS 2000), Münster (Germany), vol. 24, Universität Münster, 2000, pp. 14–18.

Mehner, Katharina, and Annika Wagner. “Visualisierung Der Synchronisation von Java-Threads Mit UML.” Proceedings of the Workshop on Modelle Und Modellierungssprachen in Informatik Und Wirtschaftsinformatik (Modellierung 2000), St. Goar (Germany), vol. 15, Fölbach, 2000.

Engels, Gregor, et al., editors. Informatik ’99: Informatik Überwindet Grenzen. Tagungsband Der 29. Jahrestagung Der Gesellschaft Für Informatik, Paderborn (Germany). Springer, 1999.

Deugo, Dwight, et al. “Patterns as a Means for Intelligent Software Engineering.” Proceedings of the Conference on Artificial Intelligence (IC-AI 1999) Las Vegas, Nevada (USA), vol. 2, CSREA Press, 1999, pp. 605–11.

Corradini, Andrea, et al. “Tile Transition Systems as Structured Coalgebras.” Proceedings of the 12th International Symposium on Fundamentals of Computation Theory (FCT ’99), vol. 1684, Springer, 1999, pp. 13–38.

Cherchago, Alexey. “Application of the Structured Analysis and Design Technique (SADT) Methodology for the Medical Information Systems Development.” Proceedings of the All-Russia Students’, Young Scientists’ and Specialists’ Scientific and Technical Conference “New Information Technologies in Scientific Researches and in Education” (Ryazan, Russia), 1999.

Engels, Gregor, et al. “Konzeption Und Objektorientierte Realisierung Einer Internet-Basierten Datenbankanwendung.” Kolloquium Software-Entwicklung - Methoden, Werkzeuge, Erfahrungen, vol. 8, Technische Akademie Esslingen, 1999, pp. 531–40.

Engels, Gregor, et al. “UML Collaboration Diagrams and Their Transformation to Java.” Proceddings of The Unified Modeling Language: Beyond the Standard, Second International Conference (UML 99), Fort Collins, Colorado, USA, vol. 1723, Springer, 1999, pp. 473–88.

Gadducci, Fabio, et al. “A Bi-Categorical Axiomatisation of Concurrent Graph Rewriting.”http://dx.doi.org/10.1016/S1571-0661(05)80309-3__Proceedings of the 8th Conference on Category Theory and Computer Science (CTCS 1999), Edinburgh (UK), vol. 29, Elsevier, 1999, pp. 80–100, doi:http://dx.doi.org/10.1016/S1571-0661(05)80309-3.

Heckel, Reiko. “Modeling Agent-Based Systems with Graph Transformation and UML.” Proceedings of the Dagstuhl-Seminar 99451 on Rigorous Analysis and Design for Software Intensive Systems, no. 258, 1999.

Sauer, Stefan, and Gregor Engels. “Extending UML for Modeling of Multimedia Applications.”http://doi.ieeecomputersociety.org/10.1109/VL.1999.795878__Proceedings of the IEEE Symposium on Visual Languages (VL 1999), Tokyo (Japan), IEEE Computer Society, 1999, pp. 80–87, doi:http://doi.ieeecomputersociety.org/10.1109/VL.1999.795878.

Ehrig, Hartmut, et al. Basic Properties of Double Pullback Graph Transitions. Technical University of Berlin, 1999.

Engels, Gregor, et al. UML Collaboration Diagrams and Their Transformation to Java. University of Paderborn, Department of Computer Science, 1999.

Engels, Gregor, et al. SOCCA Extended with UML like Packages. Leiden Institute of Advanced Computer Science, 1999, pp. 99–06.

Engels, Gregor, et al. A Formalisation of SOCCA Using Z, Part 1: The Type Level Concepts. Leiden Institute of Advanced Computer Science, 1999.

Sauer, Stefan, and Gregor Engels. “UML-Basierte Modellierung von Multimediaanwendungen.” Modellierung 1999, Workshop Der Gesellschaft Für Informatik e. V. (GI), März 1999 in Karlsruhe, Teubner, Stuttgart, 1999, pp. 155–70.

Sauer, Stefan, and Gregor Engels. “OMMMA: An Object-Oriented Approach for Modeling Multimedia Information Systems.” Proceedings of the Workshop on Multimedia Information Systems (MIS 1999), Indian Wells, CA (USA), 1999, pp. 64–71.

Corradini, Andrea, et al. “An Algebra of Graph Derivations Using Finite (Co-) Limit Double Theories.”http://dx.doi.org/10.1007/3-540-48483-3_7__Selected Papers of the 13th International Workshop on Recent Trends in Algebraic Development Techniques (WADT 1998), Lisbon (Portugal), vol. 1589, Springer, 1999, pp. 92–106, doi:http://dx.doi.org/10.1007/3-540-48483-3_7.

Corradini, Andrea, et al. “From SOS Specifications to Structured Coalgebras: How to Make Bisimulation a Congruence.”http://dx.doi.org/10.1016/S1571-0661(05)80273-7__Proceedings of the 2nd Workshop on Coalgebraic Methods in Computer Science (CMCS 99), vol. 19, Elsevier, 1999, pp. 118–41, doi:http://dx.doi.org/10.1016/S1571-0661(05)80273-7.