A. Al-Maskari, M. Sanderson, и P. Clough. Proceedings of the 30th annual international ACM SIGIR conference on Research and development in information retrieval, стр. 773--774. New York, NY, USA, ACM, (2007)
B. Carterette, J. Allan, и R. Sitaraman. SIGIR '06: Proceedings of the 29th annual international ACM SIGIR conference on Research and development in information retrieval, стр. 268--275. New York, NY, USA, ACM, (2006)
E. Jensen, S. Beitzel, O. Frieder, и A. Chowdhury. Special interest tracks and posters of the 14th international conference on World Wide Web, стр. 1176--1177. New York, NY, USA, ACM, (2005)
K. Järvelin. Proceedings of the 2nd International Conference on the Theory of Information Retrieval. Lecture Notes in Computer Science, 5766, стр. 289-296. Heidelberg, Springer, (2009)
A. Kittur, E. Chi, и B. Suh. CHI '08: Proceeding of the twenty-sixth annual SIGCHI conference on Human factors in computing systems, стр. 453--456. New York, NY, USA, ACM, (2008)