J. Gemmell, A. Shepitsen, M. Mobasher, and R. Burke. Proceedings of the 6th Workshop on Intelligent Techniques for Web Personalization and Recommender Systems, (July 2008)
A. Sieg, B. Mobasher, and R. Burke. CIKM '07: Proceedings of the sixteenth ACM conference on Conference on information and knowledge management, page 525--534. New York, NY, USA, ACM, (2007)