Y. Li, K. Bontcheva, and H. Cunningham. Deterministic and Statistical Methods in Machine Learning, volume 3635 of Lecture Notes in Artificial Intelligence, Springer, Berlin, (2005)
A. Tengli, Y. Yang, and N. Ma. Proceedings of the 20th international conference on Computational Linguistics, Stroudsburg, PA, USA, Association for Computational Linguistics, (2004)
Y. Li, A. Wen, Q. Lin, R. Li, and Z. Lu. Web-Age Information Management, volume 6897 of Lecture Notes in Computer Science, Springer, Berlin/Heidelberg, (2011)
J. Li, S. Huffman, and A. Tokuda. 32nd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, page 43-50. (2009)