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User intention based on N-best list of recognition hypotheses for utterances in a dialog

  • US 9,037,462 B2
  • Filed: 03/20/2012
  • Issued: 05/19/2015
  • Est. Priority Date: 12/01/2008
  • Status: Active Grant
First Claim
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1. A method comprising:

  • receiving, as part of a spoken dialog with a spoken dialog system, a user utterance;

    generating, via a processor, a plurality of recognition hypothesis; and

    selecting an underlying user intention based on an analysis of confidence scores, wherein the analysis of confidence scores sums confidence scores over all possible hidden user actions associated with the plurality of recognition hypothesis, wherein the hidden user actions are not observable by the spoken dialog system.

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