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Query rewrite corrections

  • US 9,875,738 B2
  • Filed: 06/05/2017
  • Issued: 01/23/2018
  • Est. Priority Date: 08/29/2014
  • Status: Active Grant
First Claim
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1. A method comprising:

  • receiving a first voice query from a user device;

    generating a first recognition output;

    receiving a second voice query;

    determining, from a recognition of the second voice query, that the second voice query triggers a correction request;

    using the first recognition output and the second recognition to determine a plurality of candidate corrections including determining a misrecognition portion of the first recognition output and substituting the misrecognition portion with one or more candidate n-grams to form one or more candidate corrections;

    scoring each candidate correction; and

    for a particular candidate correction having a score that satisfies a threshold value, using the particular candidate correction as an input search query to a search engine.

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