Grammar fragment acquisition using syntactic and semantic clustering

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United States of America Patent

PATENT NO 6173261
SERIAL NO

09217635

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Abstract

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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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Patent Owner(s)

Patent OwnerAddressTotal Patents
AT&T INTELLECTUAL PROPERTY II, L.P.RENO, NV1740
NIPPON TELEGRAPH AND TELEPHONE CORPORATIONTOKYO1337

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Arai, Kazuhiro Kanagawa, JP 58 681
Gorin, Allen Louis Berkeley Heights, NJ 59 2163
Riccardi, Giuseppe Hoboken, NJ 68 1435
Wright, Jeremy Huntley Warren, NJ 24 823

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