M. Banko, und E. Brill. Proceedings of the 39th Annual Meeting on Association for Computational Linguistics - ACL \textquotesingle01, Association for Computational Linguistics, (2001)
E. Brill, und J. Wu. 36th Annual Meeting of the Association for Computational Linguistics and 17th International Conference on Computational Linguistics, Volume 1, Seite 191--195. Montreal, Quebec, Canada, Association for Computational Linguistics, (August 1998)