- Invited address: 2008 Asia-Pacific Conference on Conceptual Modeling
(APCCM-2008).
- Keynote address: 4th IEEE International Workshop on Engineering
Semantic Agent Systems (ESAS-2007), held in conjunction with the
COMPSAC-2009 conference.
- Keynote address: The 2005 International Workshop on Agent-Based Web
Engineering (ABWE-2005), held in conjunction with the International
Conference on Web Engineering.
- Keynote address: 2002 South African Institute for Computer Science
and IT Conference, Port Elizabeth, South Africa.
- Invited tutorial: 2000 IEEE International Conference on Multimedia
Software Engineering, Taipei, Taiwan.
- Keynote address: 2007 Mahasarakham International Workshop on AI,
Thailand.
- School of Computing Science, Simon Fraser University, Vancouver,
Canada.
- National Institue of Informatics, Tokyo, Japan.
- Dept. of Computer Science, National Taiwan University, Taipei,
Taiwan.
- Dept. of Computer Science, National University of Singapore.
- Dept. of Computer Science and Information Engineering, National
Central University, Jongli, Taiwan.
- IBM India Research Labs, Bangalore, India.
- Dept. of Computer Science, National Tsing-Hua University, Hsinchu,
Taiwan.
- Department of Computer Science, Tokyo Institute of Technology,
Tokyo, Japan.
- School of Software Engineering, Tsinghua University, Beijing,
China.
- Centre for Knowledge-Based Systems, Jadavpur University, Kolkata,
India.
- School of Information Systems, Technology and Management, University
of New South Wales.
- Centre for Cognitiva Science, Jadavpur University, Kolkata, India.
- Knowledge Systems Group, School of Computer Science and Engineering,
University of New South Wales, Sydney, Australia.
- Information Systems Group, School of Management, University of
Newcastle, Australia.
- AI-Economics Group, Dept. of Economics, National Chengchi
University, Taipei, Taiwan.
- Dept. of Computer Science, University of Western Sydney, Nepean,
NSW, Australia.
- School of Computing and Information Technology, Griffith University,
Brisbane, Australia.
- Dept. of Computer Science, National Chiao-Tung University, Hsinchu,
Taiwan.
- Fujitsu Labs, Kawasaki, Japan.
- Dept. of Computer Science, University of South Africa, Pretoria,
South Africa.