PROCEEDINGS The 7th International Workshop on Intelligent Techniques for Web Personalization & Recommender Systems ITWP 2009 Editors: Sarabjot Singh Anand, Bamshad Mobasher, Alfred Kobsa, Dietmar Jannach July 11, 2009 Pasadena, California, USA In conjunction with The 21st International Joint Conference on Artificial Intelligence - IJCAI 2009