B. Fonseca, P. Golgher, E. de Moura, и N. Ziviani. LA-WEB '03: Proceedings of the First Latin American Web Congress, Washington, DC, USA, IEEE Computer Society, (2003)
R. Baeza-Yates, C. Hurtado, и M. Mendoza. Current Trends in Database Technology - EDBT 2004 Workshops, том 3268 из Lecture Notes in Computer Science, стр. 588-596. Springer Berlin Heidelberg, (2005)
T. Joachims. Proceedings of the eighth ACM SIGKDD international conference on Knowledge discovery and data mining, стр. 133--142. New York, NY, USA, ACM, (2002)