Bamshad Mobasher, Olfa Nasraoui, Bing Liu, Brij M. Masand: Advances in Web Mining and Web Usage Analysis, 6th International Workshop on Knowledge Discovery on the Web, WebKDD 2004, Seattle, WA, USA, August 22-25, 2004, Revised Selected Papers. Lecture Notes in Computer Science 3932, Springer 2006, ISBN 978-3-540-47127-1