6th Fuzzy Days, May 25 - 27, 1999, Dortmund, Germany

Sixteenth National Conference on Artificial Intelligence and Eleventh Innovative Applications of AI Conference, July 18-22, 1999, Orlando, Florida

14th European Conference on Artificial Intelligence. Berlin, Germany. August 20-25, 2000.

European Conference on Machine Learning, Barcelona, Catalonia (Spain) May 30-June 2, 2000

7th European Congress on Intelligent Techniques and Soft Computing, September 13-16, 1999 Aachen, Germany.

5th International FLINS Conference on Computational Intelligent Systems for Applied Research. Het Pandm, Gent, Belgium; 16--18 September 2002.

Joint 9th IFSA World Congress and 20th NAFIPS International Conference, July 25-28, 2001, Stanley Park, Vancouver, Canada