Research and Practical Issues of Enterprise Information Systems II Volume 1 : IFIP TC 8 WG 8.9 International Conference on Research and Practical Issues of Enterprise Information Systems (CONFENIS 2007), October 14-16, 2007, Beijing, China - Li D. Xu, A. Min Tjoa, Sohail S. Chaudhry ((IFIP Advances in Information and Communication Technology))