G. Pass, A. Chowdhury, and C. Torgeson. InfoScale '06: Proceedings of the 1st international conference on Scalable information systems, New York, NY, USA, ACM Press, (2006)
T. Joachims. Proceedings of ICML-97, 14th International Conference on Machine Learning, page 143--151. Nashville, US, Morgan Kaufmann Publishers, San Francisco, US, (1997)
Z. Zheng, K. Chen, G. Sun, and H. Zha. SIGIR '07: Proceedings of the 30th annual international ACM SIGIR conference on Research and development in information retrieval, page 287--294. New York, NY, USA, ACM Press, (2007)
R. Warren, and T. Liu. SIGIR '04: Proceedings of the 27th annual international ACM SIGIR conference on Research and development in information retrieval, page 570--571. New York, NY, USA, ACM, (2004)
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)