Recent Improvements and Benchmark Results for Paramax ATIS System Lewis M Norton author Deborah A Dahl author Marcia C Linebarger author 1992 text Speech and Natural Language: Proceedings of a Workshop Held at Harriman, New York, February 23-26, 1992 conference publication norton-etal-1992-recent https://aclanthology.org/H92-1017/ 1992