Due to President Crow's inauguration, and certain other developments we will postpone our Friday's seminar to next Tuesday. Chitta -- Chitta Baral Dept. of Computer Sc. and Engg., Arizona State University, Tempe, AZ 85287, USA. chitta@asu.edu, http://www.public.asu.edu/~cbaral/ Ph: 480-727-6047, Fax: 480-965-2751