Spoken Document Retrieval using Multiple Speech Transcription Indices
First Claim
1. A method of spoken document retrieval using multiple search transcription indices, the method comprising:
- receiving a query input formed of one or more query terms;
for each query term determining a type of the query term, wherein a type includes a term in a speech recognition vocabulary or a term not in a speech recognition vocabulary;
selecting one or more indices of search transcriptions for searching the query term based on the type of the query term;
scoring the results from the one or more indices; and
merging the results of the one or more indices for the query term.
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Abstract
A method and system are provided of spoken document retrieval using multiple search transcription indices. The method includes receiving a query input formed of one or more query terms and determining a type of a query term, wherein a type includes a term in a speech recognition vocabulary or a term not in a speech recognition vocabulary. One or more indices of search transcriptions are selected for searching the query term based on the type of the query term. The one or more indices are generated using different speech transcription methods. The results for the query term are scored by the one or more indices and the results of the one or more indices for the query term are merged. The results of the one or more query terms are then merged to provide the results for the query.
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Citations
20 Claims
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1. A method of spoken document retrieval using multiple search transcription indices, the method comprising:
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receiving a query input formed of one or more query terms; for each query term determining a type of the query term, wherein a type includes a term in a speech recognition vocabulary or a term not in a speech recognition vocabulary; selecting one or more indices of search transcriptions for searching the query term based on the type of the query term; scoring the results from the one or more indices; and merging the results of the one or more indices for the query term. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A computer software product for spoken document retrieval using multiple search transcription indices, the product comprising a computer-readable storage medium, storing a computer in which program comprising computer-executable instructions are stored, which instructions, when read executed by a computer, perform the following steps:
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receiving a query input formed of one or more query terms; for each query term determining a type of the query term, wherein a type includes a term in a speech recognition vocabulary or a term not in a speech recognition vocabulary; selecting one or more indices of search transcriptions for searching the query term based on the type of the query term; scoring the results from the one or more indices; and merging the results of the one or more indices for the query term.
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15. A method of providing a service to a customer over a network for spoken document retrieval, the service comprising:
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receiving a query input formed of one or more query terms; for each query term determining a type of the query term, wherein a type includes a term in a speech recognition vocabulary or a term not in a speech recognition vocabulary; selecting one or more indices of search transcriptions for searching the query term based on the type of the query term; scoring the results from the one or more indices; and merging the results of the one or more indices for the query term.
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16. A search system for spoken document retrieval using multiple search transcription indices, the method comprising:
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a processor; a query input means, wherein a query is formed of one or more query terms; means for determining a type of the query term by reference to a speech recognition vocabulary, wherein a type includes a term in a speech recognition vocabulary or a term not in a speech recognition vocabulary; means for selecting one or more indices of search transcriptions for searching the query term based on the type of the query term; means for scoring the results from the one or more indices; and means for merging the results of the one or more indices for the query term. - View Dependent Claims (17, 18, 19, 20)
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Specification