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)
X. Liu, and W. Croft. Proceedings of the 27th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, page 186--193. New York, NY, USA, ACM, (2004)
X. Liu, and W. Croft. Proceedings of the 27th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, page 186--193. New York, NY, USA, ACM, (2004)
D. Lymberopoulos, P. Zhao, C. Konig, K. Berberich, and J. Liu. Proceedings of the 20th ACM international conference on Information and knowledge management, page 413--422. New York, NY, USA, ACM, (2011)
N. Agarwal, H. Liu, L. Tang, and P. Yu. WSDM '08: Proceedings of the international conference on Web search and web data mining, page 207--218. New York, NY, USA, ACM, (2008)
X. Liu, and W. Croft. SIGIR '04: Proceedings of the 27th annual international ACM SIGIR conference on Research and development in information retrieval, page 186--193. New York, NY, USA, ACM, (2004)
W. Xu, X. Liu, and Y. Gong. SIGIR '03: Proceedings of the 26th annual international ACM SIGIR conference on Research and development in informaion retrieval, page 267--273. New York, NY, USA, ACM, (2003)
Y. Cai, X. Dong, A. Halevy, J. Liu, and J. Madhavan. Proceedings of the 2005 ACM SIGMOD conference on Management of data, page 921--923. New York, NY, USA, ACM Press, (2005)