R. Baeza-Yates, и A. Tiberi. KDD '07: Proceedings of the 13th ACM SIGKDD international conference on Knowledge discovery and data mining, стр. 76--85. New York, NY, USA, ACM, (2007)
Y. Chan, и D. Roth. Proceedings of the 49th Annual Meeting of the Association for Computational Linguistics: Human Language Technologies - Volume 1, стр. 551--560. Stroudsburg, PA, USA, Association for Computational Linguistics, (2011)
B. Martins, H. Manguinhas, и J. Borbinha. Proceedings of the International Conference on Semantic Computing, стр. 1--9. IEEE Computer Society, (августа 2008)
T. Rattenbury, N. Good, и M. Naaman. SIGIR '07: Proceedings of the 30th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, стр. 103--110. New York, NY, USA, ACM Press, (2007)