3 Terveen, L. Hill, W. Amento, B. McDonald, D. Creter, J. 1997 S. Pemberton ACM SIGCHI Conference on Human Factors in Computing Systems Atlanta, GA Association for Computing Machinery 226-233 03/1997 0-89791-802-9 Netnews, Usenet, World Wide Web, collaborative filtering, computer-supported cooperative work, data mining, human interface, human-computer interaction, organizatinal computing, resource discovery, social filtering