M. Bilotti, P. Ogilvie, J. Callan, and E. Nyberg. SIGIR '07: Proceedings of the 30th annual international ACM SIGIR conference on Research and development in information retrieval, page 351--358. New York, NY, USA, ACM Press, (2007)
M. Bilotti, P. Ogilvie, J. Callan, and E. Nyberg. SIGIR '07: Proceedings of the 30th annual international ACM SIGIR conference on Research and development in information retrieval, page 351--358. New York, NY, USA, ACM Press, (2007)