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METHOD AND APPARATUS FOR EXPANSION OF SEARCH QUERIES ON LARGE VOCABULARY CONTINUOUS SPEECH RECOGNITION TRANSCRIPTS
METHOD AND APPARATUS FOR EXPANSION OF SEARCH QUERIES ON LARGE VOCABULARY CONTINUOUS SPEECH RECOGNITION TRANSCRIPTS
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机译:扩展大型词汇连续语音识别记录中搜索查询的方法和装置
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摘要
The subject matter discloses a method for expansion of search queries on large vocabulary continuous speech recognition transcripts comprising: obtaining a textual transcript of audio interaction generated by the large vocabulary continuous speech recognition; generating a topic model from the textual transcripts; said topic model comprises a plurality of topics wherein each topic of the plurality of topics comprises a list of keywords; obtaining a search term; associating a topic from the topic model with the search term; and generating a list of candidate term expansion words by selecting keywords from the list of keywords of the associated topic; said candidate term expansion words are of high probability to be substitution errors of the search term that are generated by the large vocabulary continuous speech recognition.
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