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Automatic Acquisition of Hyponyms from Large Text Corpora (1992)

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by Marti A. Hearst
Citations:1234 - 4 self
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BibTeX

@MISC{Hearst92automaticacquisition,
    author = {Marti A. Hearst},
    title = {Automatic Acquisition of Hyponyms from Large Text Corpora},
    year = {1992}
}

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Abstract

We describe a method for the automatic acquisition of the hyponymy lexical relation from unrestricted text. Two goals motivate the approach: (i) avoidante of the need for pre-encoded knowledge and (ii) applicability across a wide range of text. We identify a set of lexico-syntactic patterns that are easily recognizable, that occur frequently and across text genre boundaries, and that indisputably indicate the lexical relation of interest. We describe a method for discovering these patterns and suggest that other lexical relations will also he acquirable iu this way. A subset of the acquisitiou algorithm is implemented and the results are used to augment and critique the structure of a large hand-built thesaurus. Extensions and applications to areas such as information retrieval are suggested.

Keyphrases

automatic acquisition    large text corpus    lexical relation    hyponymy lexical relation    unrestricted text    text genre boundary    acquirable iu    pre-encoded knowledge    wide range    lexico-syntactic pattern    information retrieval    acquisitiou algorithm    large hand-built thesaurus   

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