- (2001)
- JCDL '02 (2002)
- Personalisation and Recommender Systems in Digital Libraries Joint NSF-EU DELOS Working Group Report(May 2003)
- Research and Advanced Technology for Digital Libraries, 9th European Conference, ECDL 2005, Vienna, Austria, September 18-23, 2005, Proceedings, volume 3652 of Lecture Notes in Computer Science, page 479--480. Springer, (2005)
- (1999)
- (2000)
- International Conference on Digital Libraries,Proceedings of the 4th ACM/IEEE-CS joint conference on Digital libraries (2004)
- Proceedings of the 2002 ACM conference on Computer supported cooperative work (2002)
- ACM Trans. Inf. Syst. 22(3):437--476 (July 2004)
- Adaptive Hypermedia and Adaptive Web-Based Systems: 4th International Conference, AH 2006, volume 4018 of Lecture Notes in Computer Science, page 91--100. Berlin, Springer Verlag, (2006)
- User Modeling and User-Adapted Interaction 15(5):425--457 (November 2005)
- CHI '06: Proceedings of the SIGCHI conference on Human Factors in computing systems, page 121--130. New York, NY, USA, ACM Press, (2006)
- CHI '06: Proceedings of the SIGCHI conference on Human Factors in computing systems, page 1057--1066. New York, NY, USA, ACM Press, (2006)
- Proceedings of ACM 1994 Conference on Computer Supported Cooperative Work, page 175--186. (1994)
- Data Mining and Knowledge Discovery 5(1 - 2):115--153 (January 2001)
- Commun. ACM 45(5):34--38 (May 2002)
- AVI '04: Proceedings of the working conference on Advanced visual interfaces, page 48--54. New York, NY, USA, ACM Press, (2004)
- Applied Intelligence 22(2):83--92 (March 2005)
- (2006)
- CSCW '02: Proceedings of the 2002 ACM conference on Computer supported cooperative work, page 116--125. New York, NY, USA, ACM Press, (2002)


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