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Adaptive knowledge base of complex information through interactive voice dialogue

  • US 5,774,860 A
  • Filed: 10/30/1996
  • Issued: 06/30/1998
  • Est. Priority Date: 06/27/1994
  • Status: Expired due to Term
First Claim
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1. A computerized method for providing user access to an adaptive knowledge base of complex information through an interactive voice dialogue, comprising:

  • providing a memory;

    storing in memory a plurality of selected words as recognized in predetermined phrases and contexts when spoken by a user;

    storing in memory a voice template having selected information slots in corresponding frames, each of the slots and frames adapted to be continuously filled by recognized words, wherein the selected information slots comprise "current location", "destination" and "orientation", and wherein the frames corresponding to the "current location", "destination", and "orientation" slots each comprise "cross street" and "landmarks";

    initiating user speech utterances for receipt by the computer, the speech utterances requesting complex information;

    continuously receiving and comparing the user speech utterances to the stored plurality of selected words so as to fill the slots and frames of the voice template; and

    adaptably generating, based on the context of the interactive dialogue and the extent of filled slots and frames of the voice template, responsive speech segments which provide the requested complex information or, alternatively, request additional information necessary to provide a full response to the user.

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