S. Lee, und A. Chun. ACOS'07: Proceedings of the 6th Conference on WSEAS International Conference on Applied Computer Science, Seite 88--93. Stevens Point, Wisconsin, USA, World Scientific and Engineering Academy and Society (WSEAS), (2007)
D. Parra, und P. Brusilovsky. RecSys '09: Proceedings of the third ACM conference on Recommender systems, Seite 237--240. New York, NY, USA, ACM, (2009)
J. Vig, S. Sen, und J. Riedl. IUI '09: Proceedings of the 13th international conference on Intelligent user interfaces, Seite 47--56. New York, NY, USA, ACM, (2009)