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Multimodal natural language interface for cross-application tasks

  • US 5,748,974 A
  • Filed: 12/13/1994
  • Issued: 05/05/1998
  • Est. Priority Date: 12/13/1994
  • Status: Expired due to Term
First Claim
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1. A multimodal natural language interface for a computer system which interprets user requests combining natural language input from the user with information selected from a current application running on the computer system and sends the request in proper form to an appropriate auxiliary application for processing, the multimodal natural language interface comprising:

  • a dispatcher receiving a natural language input from the user and combining the natural language input with input information selected from a current application to form a combined multimodal request;

    a parser receiving the combined multimodal request for parsing the combined multimodal request;

    a natural language processor performing semantic interpretation of the parsed combined multimodal request and generating a semantic representation of the combined multimodal request;

    an application manager receiving the semantic representation from the natural language processor for determining which auxiliary application should process the request, said application manager invoking the auxiliary application and generating application program interface (API) code to access requested information via the auxiliary application, the accessed requested information being supplied to said dispatcher; and

    a response generator receiving the accessed requested information from the dispatcher for generating a response as may be applicable to the user'"'"'s request.

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