Z. Dou, R. Song, X. Yuan, and J. Wen. Proceeding of the 17th ACM conference on Information and knowledge management, page 73--82. New York, NY, USA, ACM, (2008)
H. Sharma, and B. Jansen. Proceedings of the 28th annual international ACM SIGIR conference on Research and development in information retrieval, page 649--650. New York, NY, USA, ACM, (2005)
R. White, I. Ruthven, and J. Jose. SIGIR '05: Proceedings of the 28th annual international ACM SIGIR conference on Research and development in information retrieval, page 35--42. New York, NY, USA, ACM Press, (2005)
P. Zigoris, and Y. Zhang. Proceedings of the 15th ACM international conference on Information and knowledge management, page 397--404. New York, NY, USA, ACM, (2006)
G. Velayathan, and S. Yamada. Proceedings of the 2007 IEEE/WIC/ACM International Conferences on Web Intelligence and Intelligent Agent Technology - Workshops, page 195--198. Washington, DC, USA, IEEE Computer Society, (2007)
B. Shapira, M. Taieb-Maimon, and A. Moskowitz. Proceedings of the 2006 ACM symposium on Applied computing, page 1118--1119. New York, NY, USA, ACM, (2006)