infix-Verlag, DISKI Nr. 66, 1994 Eine Graphgrammatik zur Repräsentation und Erkennung von Features in CAD/CAM Handbook of Computer Vision and Applications, 1999 Volume 2, Signal Processing and Pattern Recognition: Graph Theoretical Concepts for Computer Vision Volume 3, Systems and Applications: Knowledge-Based Image Retrieval International Journal on Production Economics, Special Issue on Business Process Reengineering, 1997 Formal Business Process Engineering Based on Graph Grammars International Journal on Integrated Computer-Aided Engineering, 1(5), 1994 Representing Features in CAD/CAM International Journal on Computers in Industry, 23, 1993 PIM - Skeletal Plan-Based CAPP 1. Symposium Bremer Kliniken: Medizinische Forschung und Gesundheitswissenschaften, 1998 MOKASSIN am Beispiel der Anwendung von Workflow-Technologie im Krankenhaus 6th Scandinavian Conference on Artificial Intelligence, 1997 Dynamical and Distributed Process Management based on Agent Technology IS&T/SPIE Symposium on Electronic Imaging: Science & Technology, 1995 Image Retrieval for Information Systems Second Asian Conference on Computer Vision, 1995 Graph Grammar Based Object Recognition for Image Retrieval 5th International Workshop on Graph Grammars and their Application to Computer Science, 1994 Heuristic Driven Chart-Parsing 3. Bremer KI-Pfingstworkshop Mai 1997:  KI-Methoden in verteilten und dynamischen Prozeßmanagementsystemen Verteiltes und dynamisches Prozeßmanagement basierend auf Multi-Agenten Systemen 1. Bremer KI-Pfingstworkshop Juni 1995 KI-Methoden in verteilten Produktionsplanungs- und -steuerungssystemen Mensch, Computer und intelligente Arbeitsverteilung in der Produktion