Transition network grammars for natural language analysis
Communications of the ACM
Transporting the linguistic string project system from a medical to a Navy domain
ACM Transactions on Information Systems (TOIS)
Discovery procedures for sublanguage selectional patterns: initial experiments
Computational Linguistics
LDC-1: a transportable, knowledge-based natural language processor for office environments
ACM Transactions on Information Systems (TOIS)
Establishing a basis for mapping natural-language statements onto a database query language
SIGIR '80 Proceedings of the 3rd annual ACM conference on Research and development in information retrieval
A phrase-structured grammatical framework for transportable natural language processing
Computational Linguistics
Computational Linguistics
Isolating domain dependencies in natural language interfaces
ANLC '83 Proceedings of the first conference on Applied natural language processing
Computational Linguistics
Future prospects for computational linguistics
ACL '80 Proceedings of the 18th annual meeting on Association for Computational Linguistics
Conjunctions and modularity in language analysis procedures
COLING '80 Proceedings of the 8th conference on Computational linguistics
Natural language interfaces using limited semantic information
COLING '82 Proceedings of the 9th conference on Computational linguistics - Volume 1
Proteus and Pundit: research in text understanding
HLT '86 Proceedings of the workshop on Strategic computing natural language
Model-based analysis of messages about equipment
HLT '86 Proceedings of the workshop on Strategic computing natural language
The simplification of retrieval requests generated by question-answering systems
VLDB '78 Proceedings of the fourth international conference on Very Large Data Bases - Volume 4
Computational Linguistics
From text to structured information: automatic processing of medical reports
AFIPS '76 Proceedings of the June 7-10, 1976, national computer conference and exposition
Utterance and objective: issues in natural language communication
IJCAI'79 Proceedings of the 6th international joint conference on Artificial intelligence - Volume 2
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Over the past few years, a number of systems for the computer analysis of natural language sentences have been based on augmented context-free grammars: a context-free grammar which defines a set of parse trees for a sentence, plus a group of restrictions to which a tree must conform in order to be a valid sentence analysis. As the coverage of the grammar is increased, an efficient representation becomes essential for further development. This paper presents a programming language designed specifically for the compact and perspicuous statement of restrictions of a natural language grammar. It is based on ten years' experience parsing text sentences with the comprehensive English grammar of the N.Y.U. Linguistic String Project, and embodies in its syntax and routines the relations which were found to be useful and adequate for computerized natural language analysis. The language is used in the current implementation of the Linguistic String Parser.