Information Extraction Overview Mary Ellen Okurowski author 1993-09 text TIPSTER TEXT PROGRAM: PHASE I: Proceedings of a Workshop held at Fredricksburg, Virginia, September 19-23, 1993 Association for Computational Linguistics Fredericksburg, Virginia, USA conference publication okurowski-1993-information 10.3115/1119149.1119164 https://aclanthology.org/X93-1012/ 1993-09 117 121