D. Zhang, Q. Jiang, and X. Li. International Conference on Computational Intelligence, page 392-395. International Computational Intelligence Society, (2004)
X. Li, P. Morie, and D. Roth. Proceedings of the 2004 Annual Meeting of the North
American Association of Computational Linguistics
(NAACL-04), page 17--24. (2004)
R. Gummadi, X. Li, R. Govindan, C. Shahabi, and W. Hong. SenSys '04: Proceedings of the 2nd international conference on Embedded networked sensor systems, page 273--274. New York, NY, USA, ACM Press, (2004)
Z. Huang, X. Li, and H. Chen. JCDL '05: Proceedings of the 5th ACM/IEEE-CS joint conference on Digital libraries, page 141--142. New York, NY, USA, ACM Press, (2005)