Systems and methods for determining the N-best strings

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United States of America Patent

PATENT NO 8234115
APP PUB NO 20030187644A1
SERIAL NO

10301098

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Systems and methods for identifying the N-best strings of a weighted automaton. A potential for each state of an input automaton to a set of destination states of the input automaton is first determined. Then, the N-best paths are found in the result of an on-the-fly determinization of the input automaton. Only the portion of the input automaton needed to identify the N-best paths is determinized. As the input automaton is determinized, a potential for each new state of the partially determinized automaton is determined and is used in identifying the N-best paths of the determinized automaton, which correspond exactly to the N-best strings of the input automaton.

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Patent Owner(s)

  • AT&T CORP.;AT&T INTELLECTUAL PROPERTY II, L.P.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Mohri, Mehryar New York, US 32 1308
Riley, Michael Dennis New York, US 25 1049

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