BIOGRAPHIES OF PEOPLE
Yiyu Yao is a professor of computer science in the Department of Computer Science, University of Regina, Regina, Saskatchewan, Canada. He received his B. Eng. (1983) from Xi'an Jiaotong University, China, and M.Sc. (1988) and Ph.D. (1991) from University of Regina, Canada. His research interests include information retrieval, web intelligence, uncertainty management in information systems, cognitive informatics, rough sets, fuzzy sets and granular computing. He has published over 150 journal and conference papers. He is a member of the editorial boards of the Web Intelligence and Agent Systems journal (IOS Press), LNCS Transactions on Rough Sets (Springer). He served as a program co-chair of four international conferences, and as a program committee member in over 30 international conferences.