F. Diaz, and D. Metzler. SIGIR '06: Proceedings of the 29th annual international ACM SIGIR conference on Research and development in information retrieval, page 154--161. New York, NY, USA, ACM Press, (2006)
A. Broder, M. Fontoura, E. Gabrilovich, A. Joshi, V. Josifovski, and T. Zhang. SIGIR '07: Proceedings of the 30th annual international ACM SIGIR conference on Research and development in information retrieval, page 231--238. New York, NY, USA, ACM, (2007)
E. Gaussier, and C. Goutte. SIGIR '05: Proceedings of the 28th annual international ACM SIGIR conference on Research and development in information retrieval, page 601--602. New York, NY, USA, ACM, (2005)
A. Broder, M. Fontoura, E. Gabrilovich, A. Joshi, V. Josifovski, and T. Zhang. SIGIR '07: Proceedings of the 30th annual international ACM SIGIR conference on Research and development in information retrieval, page 231--238. New York, NY, USA, ACM, (2007)