User query history expansion for improving language model adaptation

摘要

Query history expansion may be provided. Upon receiving a spoken query from a user, an adapted language model may be applied to convert the spoken query to text. The adapted language model may comprise a plurality of queries interpolated from the user's previous queries and queries associated with other users. The spoken query may be executed and the results of the spoken query may be provided to the user.

主权项

1. A method, implemented by a computing device, for providing a query history expansion, the method comprising:
receiving a spoken query from a user; creating an adapted language model that includes interpolating previous queries associated with the user and previous queries associated with a plurality of other users that share at least one common characteristic, wherein the previous queries of the plurality of other users is identified based on queries from the plurality of other users that contain click URLs as the user's previous queries and identified based on queries of the plurality of other users that are within a threshold distance of the user's previous queries; converting the spoken query to text and applying the created adapted language model to the spoken query to generate at least one result for the spoken query; and providing the at least one result of the converted spoken query to the user.