Advances in Data and Web Management Joint International Conferences, APWeb/WAIM 2009 Suzhou, China, April 2-4, 2009 Proceedings - Li, Qing; Feng, Ling; Pei, Jian; Wang, Sean X.; Zhou, Xiaofang; Zhu, Qiao-Ming (Springer Berlin Heidelberg : Imprint: Springer, 2009)