Toward General-Purpose Learning for Information Extraction Dayne Freitag author 1998-08 text 36th Annual Meeting of the Association for Computational Linguistics and 17th International Conference on Computational Linguistics, Volume 1 Association for Computational Linguistics Montreal, Quebec, Canada conference publication freitag-1998-toward-general 10.3115/980845.980914 https://aclanthology.org/P98-1067/ 1998-08 404 408