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SYSTEM AND METHOD FOR A COOPERATIVE CONVERSATIONAL VOICE USER INTERFACE

  • US 20120022857A1
  • Filed: 10/03/2011
  • Published: 01/26/2012
  • Est. Priority Date: 10/16/2006
  • Status: Active Grant
First Claim
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1. A method for providing a cooperative conversational voice user interface, comprising:

  • receiving an utterance at a voice input device during a current conversation;

    populating a short-term context stack with information about the utterance received during the current conversation to accumulate short-term shared knowledge about the current conversation in the short-term context stack;

    determining a context associated with the utterance at a conversational speech engine, wherein the conversational speech engine determines the context associated with the utterance from the short-term shared knowledge accumulated in the short-term context stack;

    establishing an intended meaning that the utterance has within the determined context, wherein the conversational speech engine establishes the intended meaning within the determined context to establish an intent that a user had in speaking one or more words recognized in the utterance; and

    expiring the information about the utterance from the short-term context stack after a psychologically appropriate amount of time.

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