BBN’s PLUM Probabilistic Language Understanding System Ralph Weischedel author Damaris Ayuso author Heidi Fox author Tomoyoshi Matsukawa author Constantine Papageorgiou author Dawn MacLaughlin author Masaichiro Kitagawa author Tsutomu Sakai author June Abe author Hiroto Hosiho author Yoichi Miyamoto author Scott Miller 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 weischedel-etal-1993-bbns 10.3115/1119149.1119171 https://aclanthology.org/X93-1019/ 1993-09 195 207