Grammar fragment acquisition using syntactic and semantic clustering
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United States of America Patent
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Jan 9, 2001
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N/A
app pub date -
Dec 21, 1998
filing date -
Sep 30, 1998
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Abstract
A method and apparatus are provided for automatically acquiring grammar fragments for recognizing and understanding fluently spoken language. Grammar fragments representing a set of syntactically and semantically similar phrases may be generated using three probability distributions: of succeeding words, of preceding words, and of associated call-types. The similarity between phrases may be measured by applying Kullback-Leibler distance to these three probability distributions. Phrases being close in all three distances may be clustered into a grammar fragment.
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