Query rewrite corrections
First Claim
Patent Images
1. A method comprising:
- receiving a first voice query;
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, andsubstituting the misrecognition portion with one or more candidate n-grams to form a candidate correction;
scoring each candidate correction; and
generating a corrected recognition output for a particular candidate correction having a score that satisfies a threshold value.
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Abstract
Methods, systems, and apparatus, including computer programs encoded on computer storage media, for natural language processing. One of the methods includes receiving a first voice query; 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; scoring each candidate correction; and generating a corrected recognition output for a particular candidate correction having a score that satisfies a threshold value.
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Citations
19 Claims
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1. A method comprising:
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receiving a first voice query; 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 a candidate correction; scoring each candidate correction; and generating a corrected recognition output for a particular candidate correction having a score that satisfies a threshold value. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A system comprising:
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a user device; and one or more computers configured to interact with the user device and to perform operations comprising; receiving a first voice query from the user device; generating a first recognition output; receiving a second voice query from the user device; 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 a candidate correction; scoring each candidate correction; and generating a corrected recognition output for a particular candidate correction having a score that satisfies a threshold value. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. One or more non-transitory computer-readable storage media encoded with instructions that, when executed by one or more computers, cause the one or more computers to perform operations comprising:
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receiving a first voice query; 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 a candidate correction; scoring each candidate correction; and generating a corrected recognition output for a particular candidate correction having a score that satisfies a threshold value. - View Dependent Claims (16, 17, 18, 19)
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Specification