INTERNATIONAL KEYNOTE SPEECHES:
- E-Commerce Trend: Observations from Literature and Reality, The Fourth Workshop on Knowledge Economy and Electronic Commerce Program, Kaohsiung Taiwan, Jun 22, 2006
- Semantic Web for EC: How to overcome the hurdles and create the future?, 7th International Conference on Electronic Commerce (ICEC 2005), Xi' An China , Aug, 2005
- International Trend of E-Commerce, Sino-American Workshop on Electronic Commerce , China, 2004
- Where we are in EC Research, e-Biz World Conference, Seoul, Feb 25, 2004
- EC Reality in Broadband Society and Challenges, Pacific Asia Conference on Information Systems, Adelaide , Australia , July 2003
- Semantic Web with XRML, The Second International Human.Society@Internet Conference, Seoul , June 18, 2003
- Broad Band Society and EC Thereafter, E-Businesss Chair, Katholieke Universiteit, Leuven , Feb 11, 2003
- Artificial Intelligence in Electronic Commerce, Pacific Rim Conference on Artificial Intelligence, Melbourne , 2000
- Prospect of Taxation Systems in EC Era, ACOTCA, Japan Meeting, 2002
- E-Business Trend and Cases in Korea , UN ESCAP, Nov 13, 2002
- Artificial Intelligence in Electronic Commerce, Pacific Rim Conference on Artificial Intelligence, Melbourne , 2000
