L. Dawson, и P. Swatman. ICIS '99: Proceeding of the 20th international conference on Information Systems, стр. 260--273. Atlanta, GA, USA, Association for Information Systems, (1999)
D. Appelt, и B. Onyshkevych. Proceedings of a workshop on held at Baltimore, Maryland: October 13-15, 1998, стр. 23--30. Stroudsburg, PA, USA, Association for Computational Linguistics, (1998)
P. Cimiano, и J. Völker. Proceedings of the 10th International Conference on Applications of Natural Language to Information Systems (NLDB), том 3513 из Lecture Notes in Computer Science, стр. 227-238. Alicante, Spain, Springer, (июня 2005)