Advances in Data and Web Management Joint 9th Asia-Pacific Web Conference, APWeb 2007, and 8th International Conference, on Web-Age Information Management, WAIM 2007, Huang Shan, China, June 16-18, 2007. Proceedings - Dong, Guozhu; Lin, Xuemin; Wang, Wei; Yang, Yun; Yu, Jeffrey Xu (Springer Berlin Heidelberg, 2007)