Developing a natural language interface to complex data
ACM Transactions on Database Systems (TODS)
LDC-1: a transportable, knowledge-based natural language processor for office environments
ACM Transactions on Information Systems (TOIS)
An English language question answering system for a large relational database
Communications of the ACM
The ROBOT System: Natural language processing applied to data base query
ACM '78 Proceedings of the 1978 annual conference
The Design of Domino: A Knowledge-Based Information Retrieval Processor for Office Environments
The Design of Domino: A Knowledge-Based Information Retrieval Processor for Office Environments
A phrase-structured grammatical framework for transportable natural language processing
Computational Linguistics
Toward natural language computation
Computational Linguistics
Introducing ask, a simple knowledgeable system
ANLC '83 Proceedings of the first conference on Applied natural language processing
A robust portable natural language data base interface
ANLC '83 Proceedings of the first conference on Applied natural language processing
TEAM: a transportable natural-language interface system
ANLC '83 Proceedings of the first conference on Applied natural language processing
Transportable natural-language interfaces to databases
ACL '81 Proceedings of the 19th annual meeting on Association for Computational Linguistics
Site report: computational linguistics research at Duke University
Computational Linguistics
A phrase-structured grammatical framework for transportable natural language processing
Computational Linguistics
Semantic acquisition in TELI: a transportable, user-customized natural language processor
ACL '86 Proceedings of the 24th annual meeting on Association for Computational Linguistics
A general computational treatment of comparatives for natural language question answering
ACL '88 Proceedings of the 26th annual meeting on Association for Computational Linguistics
Towards the automatic acquisition of lexical data
COLING '86 Proceedings of the 11th coference on Computational linguistics
COLING '86 Proceedings of the 11th coference on Computational linguistics
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The Layered Domain Class system (LDC) is an experimental natural language processor being developed at Duke University which reached the prototype stage in May of 1983. Its primary goals are (1) to provide English-language retrieval capabilities for structured but unnormalized data files created by the user; (2) to allow very complex semantics, in terms of the information directly available from the physical data file; and (3) to enable users to customize the system to operate with new types of data. In this paper we shall discuss (a) the types of modifiers LDC provides for; (b) how information about the syntax and semantics of modifiers is obtained from users; and (c) how this information is used to process English inputs.