Y. Chan, and H. Ng. Proceedings of the 45th Annual Meeting of the Association of Computational Linguistics, page 49--56. Prague, Czech Republic, Association for Computational Linguistics, (June 2007)
M. Tang, X. Luo, and S. Roukos. ACL '02: Proceedings of the 40th Annual Meeting on Association for Computational Linguistics, page 120--127. Morristown, NJ, USA, Association for Computational Linguistics, (2001)
A. Gregoriades, J. Shin, and A. Sutcliffe. 12th IEEE International Requirements Engineering Conference, page 154--163. Washington, DC, USA, IEEE Computer Society, (2004)
C. Ebert, and J. Man. ICSE '05: Proceedings of the 27th international conference on Software engineering, page 553--560. New York, NY, USA, ACM Press, (2005)