Mohand-Said Hacid Zbigniew W. Ras Djamel A. Zighed Yves Kodratoff Foundations of Intelligent Systems, 13th International Symposium, ISMIS 2002, Lyon, France, June 27-29, 2002, Proceedings ISMIS Lecture Notes in Computer Science 2366 Springer 2002 3-540-43785-1 db/conf/ismis/ismis2002.html