Linked Data and Knowledge Graph 7th Chinese Semantic Web Symposium and 2nd Chinese Web Science Conference, CSWS 2013, Shanghai, China, August 12-16, 2013. Revised Selected Papers - Qi, Guilin; Tang, Jie; Du, Jianfeng; Pan, Jeff Z.; Yu, Yong (Springer Berlin Heidelberg : Imprint: Springer, 2013)