user- (2002)
- (2004)
- (2005)
- User Modeling and User-Adapted Interaction 14(5):383--423 (January 2004)
- Commun. ACM 45(9):50--55 (September 2002)
- SIGIR '05: Proceedings of the 28th annual international ACM SIGIR conference on Research and development in information retrieval, page 449--456. New York, NY, USA, ACM Press, (2005)
- JCDL '03: Proceedings of the 3rd ACM/IEEE-CS joint conference on Digital libraries, page 159--170. Washington, DC, USA, IEEE Computer Society, (2003)
- CIKM '05: Proceedings of the 14th ACM international conference on Information and knowledge management, page 824--831. New York, NY, USA, ACM Press, (2005)
- SIGIR '05: Proceedings of the 28th annual international ACM SIGIR conference on Research and development in information retrieval, page 178--185. New York, NY, USA, ACM Press, (2005)
- WWW '05: Special interest tracks and posters of the 14th international conference on World Wide Web, page 801--810. New York, NY, USA, ACM Press, (2005)
- JCDL '05: Proceedings of the 5th ACM/IEEE-CS joint conference on Digital libraries, page 9--18. New York, NY, USA, ACM Press, (2005)
- Theor. Comput. Sci. 292(2):547--571 (January 2003)
- Proceedings of the 13th international conference on World Wide Web, page 675--684. ACM Press, (2004)
- page 391--398. (1999)
- CIKM '02: Proceedings of the eleventh international conference on Information and knowledge management, page 558--565. New York, NY, USA, ACM Press, (2002)
- Journal of the American Society for Information Science and Technology 54(6):529--549 (February 2003)
- ICTAI, page 391--398. (1999)
- Web Intelligence and Agent Systems 1(3-4):219--234 (2003)
- IUI '07: Proceedings of the 12th international conference on Intelligent user interfaces, page 122--131. New York, NY, USA, ACM Press, (2007)
- WWW '04: Proceedings of the 13th international conference on World Wide Web, page 413--421. New York, NY, USA, ACM Press, (2004)
