K. Hofmann, B. Huurnink, M. Bron, и M. de Rijke. Proceeding of the 33rd international ACM SIGIR conference on Research and development in information retrieval, стр. 761--762. New York, NY, USA, ACM, (2010)
I. Soboroff, C. Nicholas, и P. Cahan. Proceedings of the 24th annual international ACM SIGIR conference on Research and development in information retrieval, стр. 66--73. New York, NY, USA, ACM, (2001)
T. Sakai, и C. Lin. the 3rd International Workshop on Evaluating Information Access (EVIA) --- A Satellite Workshop of NTCIR-8, стр. 25--33. Tokyo, Japan, National Institute of Informatics, (июня 2010)
R. Fagin, R. Kumar, и D. Sivakumar. SODA '03: Proceedings of the fourteenth annual ACM-SIAM symposium on Discrete algorithms, стр. 28--36. Philadelphia, PA, USA, Society for Industrial and Applied Mathematics, (2003)