D. Appelt, and B. Onyshkevych. Proceedings of a workshop on held at Baltimore, Maryland: October 13-15, 1998, page 23--30. Stroudsburg, PA, USA, Association for Computational Linguistics, (1998)
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)
H. Cunningham, K. Bontcheva, V. Tablan, and Y. Wilks. Proceedings of the 2nd International Conference on Language Resources and Evaluation (LREC-2), Athens, (2000)http://gate.ac.uk/.
P. Kroha. Database and Expert Systems Applications, volume 1873 of Lecture Notes in Computer Science, page 675-684. Springer Berlin / Heidelberg, (2000)