B. Krause, R. Jäschke, A. Hotho, и G. Stumme. HT '08: Proceedings of the Nineteenth ACM Conference on Hypertext and Hypermedia, стр. 157--166. New York, NY, USA, ACM, (2008)
P. Heymann, G. Koutrika, и H. Garcia-Molina. WSDM '08: Proceedings of the international conference on Web search and web data mining, стр. 195--206. New York, NY, USA, ACM, (2008)