New York University PROTEUS System: MUC-4 Test Results and Analysis Ralph Grishman author John Sterling author Catherine Macleod author 1992 text Fourth Message Understanding Conference (MUC-4): Proceedings of a Conference Held in McLean, Virginia, June 16-18, 1992 conference publication grishman-etal-1992-new https://aclanthology.org/M92-1015/ 1992