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Conversation controller

  • US 20070094003A1
  • Filed: 10/17/2006
  • Published: 04/26/2007
  • Est. Priority Date: 10/21/2005
  • Status: Active Grant
First Claim
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1. A conversation controller configured to output a reply sentence according to a user utterance, comprising:

  • a plan memory unit configured to store a plurality of plans, wherein each plan has a reply sentence and one or more pieces of next candidate designation information for designating a next candidate reply sentence to be output following the reply sentence; and

    a plan conversation unit configured to select one of the plans stored in the plan memory unit according to a first user utterance and output a reply sentence which the selected plan has, and select one piece of the next candidate designation information which the plan has according to a second user utterance and output a next candidate reply sentence on the basis of the selected piece of the next candidate designation information, wherein some plans have a series of questions for guiding a user to take desired information as the reply sentences.

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