E. Voorhees. Proceedings of the 17th annual international ACM SIGIR conference on Research and development in information retrieval, page 61--69. Springer-Verlag New York, Inc., (1994)
R. Navigli, and P. Velardi. Proceedings of the 14th European Conference on Machine Learning, Workshop on Adaptive Text Extraction and Mining, Cavtat-Dubrovnik, Croatia, page 42--49. (2003)
R. Jones, B. Rey, O. Madani, and W. Greiner. WWW '06: Proceedings of the 15th international conference on World Wide Web, page 387--396. New York, NY, USA, ACM, (2006)
B. Fonseca, P. Golgher, B. Pôssas, B. Ribeiro-Neto, and N. Ziviani. CIKM '05: Proceedings of the 14th ACM international conference on Information and knowledge management, page 696--703. New York, NY, USA, ACM Press, (2005)