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The SystemX Natural Language Interface: Design, Implementation and Evaluation

Nick Cercone,Paul McFetridge,Fred Popowich,Dan Fass,Chris Groeneboer,Gary Hall+1 more-1994-01-01
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SystemX is a natural language interface (NLI) to relational databases. The system has been used with a customer service statistical database, a research grants database, and an environmental database. Distinctive features of the NLI are its use of Head-Driven Phrase Structure Grammar (HPSG), treatment of complex noun phrases, integration of natural language with other input modes, use with a statistical database, and field-testing and evaluation in a real world application. Copyright ã Simon Fraser University (all rights reserved) 1 1.0 Introduction Natural language interfaces (NLIs) allow people to communicate with machines in a natural language such as English. One application of NLIs is as "front-ends" to databases, enabling non-technical people to directly access information stored in databases. Advantages of NLIs as front-ends include relieving users of the need to know the structure of the database ([20]); relieving users of the need to know a database manipulat

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SystemX is a natural language interface (NLI) to relational databases. The system has been used with a customer service statistical database, a research grants database, and an environmental database. Distinctive features of the NLI are its use of Head-Driven Phrase Structure Grammar (HPSG), treatment of complex noun phrases, integration of natural language with other input modes, use with a statistical database, and field-testing and evaluation in a real world application. Copyright ã Simon Fraser University (all rights reserved) 1 1.0 Introduction Natural language interfaces (NLIs) allow people to communicate with machines in a natural language such as English. One application of NLIs is as "front-ends" to databases, enabling non-technical people to directly access information stored in databases. Advantages of NLIs as front-ends include relieving users of the need to know the structure of the database ([20]); relieving users of the need to know a database manipulat

Keywords

Computer scienceInterface (matter)Natural language processingNoun phraseNatural languageArtificial intelligenceGrammarNatural language user interface

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