G. Feng, T. Liu, Y. Wang, Y. Bao, Z. Ma, X. Zhang, and W. Ma. Proceedings of the 29th annual international ACM SIGIR conference on Research and development in information retrieval - SIGIR \textquotesingle06, ACM Press, (2006)
D. Cai, X. He, Z. Li, W. Ma, and J. Wen. Proceedings of the 12th annual ACM international conference on Multimedia - MULTIMEDIA \textquotesingle04, ACM Press, (2004)
H. Zeng, Q. He, Z. Chen, W. Ma, and J. Ma. Proceedings of the 27th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, page 210--217. New York, NY, USA, ACM, (2004)
D. Shen, Z. Chen, Q. Yang, H. Zeng, B. Zhang, Y. Lu, and W. Ma. Proceedings of the 27th annual international ACM SIGIR conference on Research and development in information retrieval, page 242--249. New York, NY, USA, ACM, (2004)
T. LIU, Y. YANG, H. WAN, Q. ZHOU, B. GAO, H. ZENG, Z. CHEN, and W. MA. Special interest tracks and posters of the 14th international conference on World Wide Web, page 1106--1107. New York, NY, USA, ACM, (2005)
Q. Zhao, S. Hoi, T. Liu, S. Bhowmick, M. Lyu, and W. Ma. WWW '06: Proceedings of the 15th international conference on World Wide Web, page 543--552. New York, NY, USA, ACM, (2006)
G. Xue, H. Zeng, Z. Chen, Y. Yu, W. Ma, W. Xi, and W. Fan. CIKM '04: Proceedings of the thirteenth ACM international conference on Information and knowledge management, page 118--126. New York, NY, USA, ACM, (2004)
G. Xue, H. Zeng, Z. Chen, Y. Yu, W. Ma, W. Xi, and W. Fan. CIKM '04: Proceedings of the thirteenth ACM international conference on Information and knowledge management, page 118--126. New York, NY, USA, ACM, (2004)