Web-Age Information Management WAIM 2012 International Workshops: GDMM, IWSN, MDSP, USDM, and XMLDM Harbin, China, August 18-20, 2012 Proceedings - Bao, Zhifeng; Gao, Yunjun; Gu, Yu; Guo, Longjiang; Li, Yingshu; Lu, Jiaheng; Ren, Zujie; Wang, Chaokun; Zhang, Xiao (Springer Berlin Heidelberg : Imprint: Springer, 2012)