GROK—a natural language front end for medical expert systems
5th international workshop, Vol. 1 on Expert systems & their applications
Maintaining knowledge about temporal intervals
Communications of the ACM
An intelligent analyzer and understander of English
Communications of the ACM
Theory of Syntactic Recognition for Natural Languages
Theory of Syntactic Recognition for Natural Languages
Conceptual Information Processing
Conceptual Information Processing
Chart parsing and rule schemata in PSG
ACL '81 Proceedings of the 19th annual meeting on Association for Computational Linguistics
Language As a Cognitive Process: Syntax
Language As a Cognitive Process: Syntax
Natural language processing at Battelle-Columbus
ACM SIGART Bulletin
A temporal constraint structure for extracting temporal information from clinical narrative
Journal of Biomedical Informatics
Journal of Biomedical Informatics
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The objectives of this paper are twofold, whereby the computer program is meant to be a particular implementation of a general natural language [NL] processing system [NLPS] which could be used for different domains. The first objective is to provide a theory for processing temporal information contained in a well-structured, technical text. The second objective is to argue for a knowledge-based approach to NLP in which the parsing procedure is driven by extra linguistic knowledge.The resulting computer program incorporates enough domain-specific and general knowledge so that the parsing procedure can be driven by the knowledge base of the program, while at the same time employing a descriptively adequate theory of syntactic processing, i.e., X-bar syntax. My parsing algorithm not only supports the prevalent theories of knowledge-based parsing put forth in AI, but also uses a sound linguistic theory for the necessary syntactic information processing.