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Voice interface for a search engine

  • US 7,366,668 B1
  • Filed: 02/03/2006
  • Issued: 04/29/2008
  • Est. Priority Date: 02/07/2001
  • Status: Expired due to Term
First Claim
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1. A method comprising:

  • receiving a voice search query from a user;

    deriving a plurality of recognition hypotheses from the voice search query, each recognition hypothesis being associated with a weight;

    constructing a weighted boolean query using the recognition hypotheses and the weights;

    providing the weighted boolean query to a search system;

    receiving results for the weighted boolean query in response to providing the weighted boolean query to the search system;

    determining a quantity of the received results that are related to each recognition hypothesis of the plurality of recognition hypotheses; and

    discarding recognition hypotheses of the plurality of recognition hypotheses having no results to obtain a refined weighted boolean query.

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