user- TAPIA '05: Proceedings of the 2005 conference on Diversity in computing, page 17--19. New York, NY, USA, ACM Press, (2005)
- User Modeling and User-Adapted Interaction 14(2-3):239--257 (June 2004)
- (1999)
- (2000)
- Research and Development in Information Retrieval, page 37--45. (1998)
- ACM SIGIR'01 workshop on Mathematical /Formal Methods in IR, 2001., (2001)
- Commun. ACM 45(5):34--38 (May 2002)
- (2006)
- WWW '04: Proceedings of the 13th international conference on World Wide Web, page 482--490. New York, NY, USA, ACM Press, (2004)
- Web Intelligence and Agent Systems 3(3):135--154 (January 2005)
- WWW '07: Proceedings of the 16th international conference on World Wide Web, page 11--20. New York, NY, USA, ACM Press, (2007)
- WWW '07: Proceedings of the 16th international conference on World Wide Web, page 271--280. New York, NY, USA, ACM Press, (2007)
- CIKM '99: Proceedings of the eighth international conference on Information and knowledge management, page 405--412. New York, NY, USA, ACM Press, (November 1999)
- WWW '07: Proceedings of the 16th international conference on World Wide Web, page 541--550. New York, NY, USA, ACM Press, (2007)
- Proceedings of User Modeling 2007, Springer, (2007)
- JCDL '07: Proceedings of the 7th ACM/IEEE joint conference on Digital libraries, page 438--439. New York, NY, USA, ACM, (2007)
- KDD '07: Proceedings of the 13th ACM SIGKDD international conference on Knowledge discovery and data mining, page 300--309. New York, NY, USA, ACM, (2007)
- SIGIR '04: Proceedings of the 27th annual international ACM SIGIR conference on Research and development in information retrieval, page 297--304. New York, NY, USA, ACM Press, (2004)
- KDD '02: Proceedings of the eighth ACM SIGKDD international conference on Knowledge discovery and data mining, page 688--693. New York, NY, USA, ACM, (2002)
- IUI '09: Proceedingsc of the 13th international conference on Intelligent user interfaces, page 27--36. New York, NY, USA, ACM, (2008)
