B. Sigurbjörnsson, и R. van Zwol. WWW '08: Proceeding of the 17th international conference on World Wide Web, стр. 327--336. New York, NY, USA, ACM, (2008)
L. Specia, и E. Motta. Proc. of the European Semantic Web Conference (ESWC2007), том 4519 из LNCS, стр. 624-639. Berlin Heidelberg, Germany, Springer-Verlag, (июля 2007)
D. Ramage, P. Heymann, C. Manning, и H. Molina. WSDM '09: Proceedings of the Second ACM International Conference on Web Search and Data Mining, стр. 54--63. New York, NY, USA, ACM, (2009)
M. Halvey, и M. Keane. WWW '07: Proceedings of the 16th international conference on World Wide Web, стр. 1313--1314. New York, NY, USA, ACM Press, (2007)
D. Zhou, J. Bian, S. Zheng, H. Zha, и C. Giles. WWW '08: Proceeding of the 17th international conference on World Wide Web, стр. 715--724. New York, NY, USA, ACM, (2008)