Artificial Intelligence, Knowledge Representation, Ontology
- General Chair, Tenth Conference on Principles of Knowledge Representation and Reasoning (KR-2006)
- Advisory Committee, Nineteenth International Joint Conference on Artificial Intelligence (IJCAI-05)
- Organizer, ISWC-05 Workshop on Ontology Patterns for the Semantic Web (OPSW-05)
- Program Chair, Ninth Conference on Principles of Knowledge Representation and Reasoning (KR-2004)
- Intelligent Systems Demos Char, The 19th National Conference on Artificial Intelligence (AAAI-04)
- Keynote Speaker, 2004 Protege Users Conference
- Working Group member and editor,OWL - The Web Ontology Language
- Guest Editor, AI Magazine Special Issue on Ontologies (Summer, 2003)
- Keynote speaker, International Conference on Advanced Information Systems Engineering (CAISE-2002)
- co-Organizer, AAAI-2002 Workshop on Semantic Web Meets Language Resources
- Program Chair, 2cnd International Conference on Formal Ontology in Information Systems (FOIS-2001).
- Editorial Board, The Semantic Web Journal. Published as part of the Electronic Transactions on Artificial Intelligence (ETAI) of the Swedish Royal Academy of Sciences.
- AAAI-2000 Tutorial: Ontology Driven Conceptual Analysis.
- Chair, AAAI-99 Panel Ontology: Expert Systems all over again?
- Co-organizer, AAAI-2000 Intelligent Systems Demonstrations.
- Co-organizer, AAAI-99 Intelligent Systems Demonstrations.
- Program Committees:
- 21st National Conference on Artificial Intelligence (AAAI-06)
- International Workshop on Contexts & Ontologies (CANDO-06)
- 4th International Workshop on Evaluation of Ontologies (EON2006)
- 3rd European Semantic Web Conference (ESWC-2006)
- 4th International Conference on Formal Ontology in Information Systems (FOIS)
- Workshop on Modeling and Retrieval of Context (MRC 2006)
- 2006 World Wide Web Conference (WWW-2006)
- Third International Conference on Knowledge Capture (K-CAP 2005)
- 7th Symposium on Logical Formalizations of Commonsense Reasoning (Commonsense-05)
- 4th International Semantic Web Conference (ISWC 2005)
- AAAI-05 Workshop on Contexts and Ontologies: Theory, Practice and Applications (CANDO 2005)
- Third International Semantic Web Conference (ISWC2004)
- 3rd International Conference on Formal Ontology in Information Systems (FOIS-2004)
- Third International Semantic Web Conference (ISWC-2004)
- 2004 International Workshop on Description Logics (DL-2004)
- First Workshop on Knowledge Representation in Biomedicine (KR-MED 2004)
- Third Conference on Formal Ontology in Information Systems (FOIS-04)
- EKAW-04 Workshop on Core Ontologies in Ontology Engineering (CorOnt 2004)
- Second Conference on Knowledge Capture (KCAP-2003)
- 4th International Conference on Web Information Systems (WISE-03)
- ISWC-03 Workshop on Human Language Technology for the Semantic Web and Web Services
- Workshop on Knowledge Grid and Grid Intelligence (KGGI-03)
- The 21st International Conference on Conceptual Modeling (ER-2002)
- The Eighth International Conference on Principles of Knowledge Representation and Reasoning (KR2002)
- The Fourteenth International Conference on Advanced Information Systems Engineering (CAiSE'02)
- 2002 International Workshop on Description Logics (DL2002)
- Formal Ontology, Knowledge Representation and Intelligent Systems for the World Wide Web (SemWeb@KR02)
- International Conference on Enterprise Information Systems (ICEIS-2001)
- 2000 International Workshop on Description Logics (DL2000)
- 2cnd International Conference on Enterprise Information Systems (ICEIS-2000)
- International Workshop on Conceptual Modeling Approaches for e-Business (eCOMO'2000)
- IJCAI-99 Workshop on Ontologies and Problem-Solving Methods: Lessons Learned and Future Trends
- 1998 International Conference on Formal Ontology in Information Systems (FOIS'98)
- 1998 International Workshop on Description Logics (DL'98)
- Steering Committee, The International Conference on Automated Software Engineering
- Guest Editor, Journal of Automated Software Engineering special issue on KBSE-96 (September, 1998).
- General Chair, The 12th IEEE International Conference on Automated Software Engineering (ASE-97)
- Chair, FLAIRS-98 Special Track on AI and Software Engineering
- Program Chair, The 11th Knowledge-Based Software Engineering Conference (KBSE-11)
- Chair, IJCAI-95 Workshop on AI and Software Engineering.
- Guest Editor, Journal of Automated Software Engineering special issue on Breaking the Toy Mold (July, 1997).
- Program Committees:
- 15th IEEE Automated Software Engineering Conference (ASE-2000)
- 14th IEEE Automated Software Engineering Conference (ASE-99)
- AAAI-99 Workshop on Intelligent Software Engineering (WISE-99)
- 13th IEEE Automated Software Engineering Conference (ASE-98)
- 12th IEEE Automated Software Engineering Conference (ASE-97)
- 11th Knowledge-Based Software Engineering Conference (KBSE-96)
- 10th Knowledge-Based Software Engineering Conference (KBSE-95)
- Publicity Chair, 1998 International Conference on Intelligent User Interfaces (IUI'98)
- Program Committees:
- Special Track on Ontologies and Metadata for Knowledge Retrieval at The Twelfth Workshop on Knowledge Acquisition, Modeling and Management.
- 1999 International Conference on Intelligent User Interfaces (IUI'99)
- AAAI-98 Workshop on Representations for Multi-modal Human-Computer Interaction
- 1998 International Conference on Intelligent User Interfaces (IUI'98)
- First ACM International Conference on Research and Development in Digital Libraries (DL'96).
