user- Learning in the Synergy of Multiple Disciplines, Proceedings of the EC-TEL 2009, volume 5794 of Lecture Notes in Computer Science, Berlin/Heidelberg, Springer, (October 2009)
- K-CAP '05: Proceedings of the 3rd international conference on Knowledge capture, page 219--220. New York, NY, USA, ACM Press, (2005)
- Proceedings of User Modeling 2007, Springer, (2007)
- (2008)
- Plume Books, (April 2003)
- CHI '08: Proceeding of the twenty-sixth annual SIGCHI conference on Human factors in computing systems, page 1017--1026. New York, NY, USA, ACM, (2008)
- CIKM '07: Proceedings of the sixteenth ACM conference on Conference on information and knowledge management, page 919--922. New York, NY, USA, ACM, (2007)
- SAC '08: Proceedings of the 2008 ACM symposium on Applied computing, page 2014--2018. New York, NY, USA, ACM, (2008)
- RecSys '08: Proceedings of the 2008 ACM conference on Recommender systems, page 311--314. New York, NY, USA, ACM, (2008)
- GROUP '07: Proceedings of the 2007 international ACM conference on Supporting group work, page 127--136. New York, NY, USA, ACM, (2007)
- UIST '07: Proceedings of the 20th annual ACM symposium on User interface software and technology, page 111--114. New York, NY, USA, ACM, (2007)
- WWW '07: Proceedings of the 16th international conference on World Wide Web, page 221--230. New York, NY, USA, ACM, (2007)
- KDD '08: Proceeding of the 14th ACM SIGKDD international conference on Knowledge discovery and data mining, page 160--168. New York, NY, USA, ACM, (2008)
