B. Lavoie, O. Rambow, and E. Reiter. Proceedings of the Fifth Conference on Applied Natural Language Processing (ANLP-97), page 253--256. Morristown, NJ, USA, Association for Computational Linguistics, (1997)
P. Kroha. Database and Expert Systems Applications, volume 1873 of Lecture Notes in Computer Science, page 675-684. Springer Berlin / Heidelberg, (2000)
L. Dawson, and P. Swatman. ICIS '99: Proceeding of the 20th international conference on Information Systems, page 260--273. Atlanta, GA, USA, Association for Information Systems, (1999)