S. Bao, G. Xue, X. Wu, Y. Yu, B. Fei, и Z. Su. WWW '07: Proceedings of the 16th international conference on World Wide Web, стр. 501--510. New York, NY, USA, ACM, (2007)
Y. Yanbe, A. Jatowt, S. Nakamura, и K. Tanaka. JCDL '07: Proceedings of the 7th ACM/IEEE-CS joint conference on Digital libraries, стр. 107--116. New York, NY, USA, ACM, (2007)
L. Nelson, C. Held, P. Pirolli, L. Hong, D. Schiano, и E. Chi. CHI '09: Proceedings of the 27th international conference on Human factors in computing systems, стр. 1795--1798. New York, NY, USA, ACM, (2009)
M. Carman, M. Baillie, R. Gwadera, и F. Crestani. SIGIR '09: Proceedings of the 32nd international ACM SIGIR conference on Research and development in information retrieval, стр. 123--130. New York, NY, USA, ACM, (2009)
K. Bischoff, C. Firan, W. Nejdl, и R. Paiu. JCDL '09: Proceedings of the 9th ACM/IEEE-CS joint conference on Digital libraries, стр. 285--294. New York, NY, USA, ACM, (2009)
P. Chirita, S. Costache, W. Nejdl, и S. Handschuh. WWW '07: Proceedings of the 16th international conference on World Wide Web, стр. 845--854. New York, NY, USA, ACM, (2007)
B. Krause, A. Hotho, и G. Stumme. 30th European Conference on IR Research, ECIR 2008, том 4956 из Lecture Notes in Computer Science, стр. 101-113. Glasgow, UK, Springer, (апреля 2008)