Integrating Syntax, Semantics, and Discourse DARPA Natural Language Understanding Program. Volume 1
Final research and development status rept. 29 Apr 1985-29 Apr 1987
UNISYS CORP PAOLI PA PAOLI RESEARCH CENTER
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During the period 42985 to 42987, Unisys formerly SDC and New York University have pursued joint research on natural-language text understanding, as part of the DARPA Strategic Computing Program in support of the Fleet Command Center Battle Management Program FCCBMP. During this time, two groups have collaborated on Proteus-I, a natural-language text-understanding system that processes the remarks field of messages casualty reports or CASREPs about failures of starting air compressors SACs. The goal of the research is to demonstrate a system capable of understanding paragraph-length messages in a restricted domain. Features of this joint UnisysNYU system are 1 Creation of an integrated system for the detailed understanding of text the system includes modules for syntax, semantics, reference resolution, and temporal processing 2 Grammatical coverage providing the correct parse for 90 of CASREP sentences, including a full treatment of co-ordinate conjunction and an integrated treatment of sentenial fragments characteristic of message traffic 3 Automatic production of a tabular summary of diagnostic information for sample CASREPs 4 Construction of a qualitative model to starting air compressor and 5 Use of the qualitative model to simulate normal and faulty behavior described by natural-language phrases.
- Command, Control and Communications Systems