Dynamic language model
First Claim
1. A method comprising:
- receiving a voice search query from a user device, the voice search query comprising one or more word sequences including a first word sequence, wherein the voice search query is associated with a query context;
obtaining a base language model, the base language model including a first plurality of word sequences each being associated with a corresponding probability value including the first word sequence having a base probability value;
determining that the query context of the voice search query satisfies one or more criteria associated with a customized language model, the customized language model including a second plurality of word sequences each being associated with a corresponding adjusted probability value including the first word sequence having a first adjusted probability value, the first adjusted probability value being the base probability value adjusted based on the query context;
converting the voice search query to a text search query based on one or more probabilities including one or more adjusted probability values for word sequences of the customized language model including the first word sequence having the first adjusted probability value; and
providing for display on the user device, as a response to the voice search query, one or more search results of the text search query.
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Accused Products
Abstract
Methods, systems, and apparatus, including computer programs encoded on computer storage media, for speech recognition. One of the methods includes receiving a base language model for speech recognition including a first word sequence having a base probability value; receiving a voice search query associated with a query context; determining that a customized language model is to be used when the query context satisfies one or more criteria associated with the customized language model; obtaining the customized language model, the customized language model including the first word sequence having an adjusted probability value being the base probability value adjusted according to the query context; and converting the voice search query to a text search query based on one or more probabilities, each of the probabilities corresponding to a word sequence in a group of one or more word sequences, the group including the first word sequence having the adjusted probability value.
8 Citations
17 Claims
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1. A method comprising:
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receiving a voice search query from a user device, the voice search query comprising one or more word sequences including a first word sequence, wherein the voice search query is associated with a query context; obtaining a base language model, the base language model including a first plurality of word sequences each being associated with a corresponding probability value including the first word sequence having a base probability value; determining that the query context of the voice search query satisfies one or more criteria associated with a customized language model, the customized language model including a second plurality of word sequences each being associated with a corresponding adjusted probability value including the first word sequence having a first adjusted probability value, the first adjusted probability value being the base probability value adjusted based on the query context; converting the voice search query to a text search query based on one or more probabilities including one or more adjusted probability values for word sequences of the customized language model including the first word sequence having the first adjusted probability value; and providing for display on the user device, as a response to the voice search query, one or more search results of the text search query. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A system comprising:
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one or more computers and one or more storage devices storing instructions that are operable, when executed by the one or more computers, to cause the one or more computers to perform operations comprising; receiving a voice search query from a user device, the voice search query comprising one or more word sequences including a first word sequence, wherein the voice search query is associated with a query context; obtaining a base language model, the base language model including a first plurality of word sequences each being associated with a corresponding probability value including the first word sequence having a base probability value; determining that the query context of the voice search query satisfies one or more criteria associated with a customized language model, the customized language model including a second plurality of word sequences each being associated with a corresponding adjusted probability value including the first word sequence having a first adjusted probability value, the first adjusted probability value being the base probability value adjusted based on the query context; converting the voice search query to a text search query based on one or more probabilities including one or more adjusted probability values for word sequences of the customized language model including the first word sequence having the first adjusted probability value; and providing for display on the user device, as a response to the voice search query, one or more search results of the text search query.
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17. A non-transitory computer storage medium encoded with a computer program, the program comprising instructions that are operable, when executed by data processing apparatus, to cause the data processing apparatus to perform operations comprising:
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receiving a voice search query from a user device, the voice search query comprising one or more word sequences including a first word sequence, wherein the voice search query is associated with a query context; obtaining a base language model, the base language model including a first plurality of word sequences each being associated with a corresponding probability value including the first word sequence having a base probability value; determining that the query context of the voice search query satisfies one or more criteria associated with a customized language model, the customized language model including a second plurality of word sequences each being associated with a corresponding adjusted probability value including the first word sequence having a first adjusted probability value, the first adjusted probability value being the base probability value adjusted based on the query context; converting the voice search query to a text search query based on one or more probabilities including one or more adjusted probability values for word sequences of the customized language model including the first word sequence having the first adjusted probability value; and providing for display on the user device, as a response to the voice search query, one or more search results of the text search query.
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Specification