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SYSTEM AND METHOD FOR PROVIDING A NATURAL LANGUAGE VOICE USER INTERFACE IN AN INTEGRATED VOICE NAVIGATION SERVICES ENVIRONMENT

  • US 20090150156A1
  • Filed: 12/11/2007
  • Published: 06/11/2009
  • Est. Priority Date: 12/11/2007
  • Status: Active Grant
First Claim
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1. A computer-implemented method for providing a natural language voice user interface for a navigation device, comprising:

  • receiving a navigation-related voice-based input at an input mechanism associated with the navigation device, the voice-based input including at least a natural language utterance provided by a user;

    generating one or more preliminary interpretations of the natural language utterance using a dynamic recognition grammar associated with a speech recognition engine;

    analyzing the preliminary interpretations using a conversational language processor, the conversational language processor using shared knowledge and information associated with a navigation context to determine a probable interpretation of the natural language utterance in the navigation context; and

    communicating the probable interpretation of the natural language utterance to a navigation agent associated with the navigation context, the navigation agent operable to;

    identify one or more navigation-related requests contained in the voice-based input based on the probable interpretation of the natural language utterance; and

    resolve the requests using information associated with one or more of a plurality of information sources, the plurality of information sources including at least a navigation-specific information source.

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