X. Li, B. Liu, и S. Ng. Proceedings of the 2010 Conference on Empirical Methods in Natural Language Processing, стр. 218--228. Stroudsburg, PA, USA, Association for Computational Linguistics, (2010)
Y. Yang, и X. Liu. SIGIR '99: Proceedings of the 22nd annual international ACM SIGIR conference on Research and development in information retrieval, стр. 42--49. New York, NY, USA, ACM Press, (1999)
B. Lauser, и A. Hotho. Proc. of the 7th European Conference in Research and Advanced Technology for Digital Libraries, ECDL 2003, том 2769 из LNCS, стр. 140-151. Springer, (2003)
R. Schapire, Y. Singer, и A. Singhal. Proceedings of SIGIR-98, 21st ACM International Conference on
Research and Development in Information Retrieval, стр. 215--223. Melbourne, Australia, ACM Press, New York, US, (1998)