Diderot: TIPSTER Program, Automatic Data Extraction from Text Utilizing Semantic Analysis Y Wilks author J Pustejovsky author J Cowie author 1992 text Speech and Natural Language: Proceedings of a Workshop Held at Harriman, New York, February 23-26, 1992 conference publication wilks-etal-1992-diderot https://aclanthology.org/H92-1112/ 1992