From dating to voting, collaborative filtering will make our choices easier (Bob Metcalfe, 1996)a fairly recent collection of links
Automated Collaborative Filtering and Semantic Transports (Alexander Chislenko, 1997)
Augmenting Information Seeking on the World Wide Web Using Collaborative Filtering Techniques (Don Turnbull)
FIFTH DELOS WORKSHOP: Filtering and Collaborative Filtering Workshop Proceedings (Budapest, 10-12 November 1997)
Collaborative Filtering Research Links from jamesthornton.com
GroupLens: An Open Architecture for Collaborative Filtering of Netnews (Paul Resnick*, Neophytos Iacovou**, Mitesh Suchak*, Peter Bergstrom**, John Riedl**) From Proceedings of ACM 1994 Conference on Computer Supported Cooperative Work, Chapel Hill, NC: Pages 175-186
Community Based Navigation and Collaborative Filtering Systems
Web-Collaborative Filtering: Recommending Music by Crawling The Web (William W. Cohen) and Wei Fan)