C. Reed, and D. Long. Proceedings of the 17th International Conference on Computational Linguistics and 36th Annual Meeting of the Association for Computational Linguistics (COLING-ACL98), page 1091--1097. Montreal, Canada, (1998)
C. Marshall. ICAIL '89: Proceedings of the 2nd international conference on Artificial intelligence and law, page 121--127. New York, NY, USA, ACM Press, (1989)
C. Reed. IJCAI '99: Proceedings of the Sixteenth International Joint Conference on Artificial Intelligence, page 876--883. San Francisco, CA, USA, Morgan Kaufmann Publishers Inc., (1999)
P. Andrews, S. Manandhar, and M. Boni. Proceedings of the 9th SIGdial Workshop on Discourse and Dialogue, page 138--147. Columbus, Ohio, Association for Computational Linguistics, (June 2008)