Developing a natural language interface to complex data
ACM Transactions on Database Systems (TODS)
An English language question answering system for a large relational database
Communications of the ACM
An intelligent analyzer and understander of English
Communications of the ACM
An Introduction to Database Systems
An Introduction to Database Systems
DIALOGIC: a core natural-language processing system
COLING '82 Proceedings of the 9th conference on Computational linguistics - Volume 1
Computational Linguistics
A look back and a look forward
SIGIR '88 Proceedings of the 11th annual international ACM SIGIR conference on Research and development in information retrieval
Information retrieval using a transportable natural language interface
SIGIR '83 Proceedings of the 6th annual international ACM SIGIR conference on Research and development in information retrieval
Shifting meaning representations
IJCAI'83 Proceedings of the Eighth international joint conference on Artificial intelligence - Volume 2
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This paper describes a front and for natural language access to databases making extensive use of general, i.e. domain-independent, semantic information for question interpretation. In the interests of portability, initial syntactic and semantic processing of a question is carried out without any reference to the database domain, and domain-dependent operations are confined to subsequent, comparatively straightforward, processing of the initial interpretation. The different modules of the front end are described, and the system's performance is illustrated by examples.