@conference {25, title = {Social Relation Based Search Refinement: Let Your Friends Help You!}, booktitle = {Active Media Technology, 6th International Conference, AMT 2010, Toronto, Canada, August 28-30, 2010. Proceedings}, year = {2010}, pages = {475{\textendash}485}, doi = {10.1007/978-3-642-15470-6_48}, url = {http://dx.doi.org/10.1007/978-3-642-15470-6_48}, author = {Xu Ren and Yi Zeng and Yulin Qin and Ning Zhong and Zhisheng Huang and Yan Wang and Cong Wang} }