M. Bouadjenek, H. Hacid, and M. Bouzeghoub. Proceedings of the 36th International ACM SIGIR Conference on Research and Development in Information Retrieval, page 861--864. New York, NY, USA, ACM, (2013)
R. Nagmoti, A. Teredesai, and M. De Cock. Proceedings of the 2010 IEEE/WIC/ACM International Conference on Web Intelligence and Intelligent Agent Technology - Volume 01, page 153--157. Washington, DC, USA, IEEE Computer Society, (2010)
J. Gao, W. Yuan, X. Li, K. Deng, and J. Nie. Proceedings of the 32Nd International ACM SIGIR Conference on Research and Development in Information Retrieval, page 355--362. New York, NY, USA, ACM, (2009)
B. Piwowarski, G. Dupret, and R. Jones. Proceedings of the Second ACM International Conference on Web Search and Data Mining, page 162--171. New York, NY, USA, ACM, (2009)
F. Abel, N. Henze, and D. Krause. Proceedings of the 17th ACM Conference on Information and Knowledge Management, page 1429--1430. New York, NY, USA, ACM, (2008)