Consistent user experience in information retrieval systems
First Claim
Patent Images
1. A computer implemented information retrieval system for searching a corpus, the system comprising:
- a computer;
a scoring module configured to, for each of one or more searches of at least a subset of the corpus, generate a confidence score for each of one or more putative occurrences of a search query in the at least a subset of the corpus;
a threshold module configured to adjust a threshold to maintain a consistent user experience across the one or more searches according to a consistency criterion, wherein the threshold is adjusted according to at least one of a duration of the at least a subset of the corpus or an audio quality of the at least a subset of the corpus; and
a display module configured to display putative occurrences of the search query having a confidence score greater than the threshold;
wherein the consistency criterion is selected from the group consisting ofa constant number of false alarms in the putative occurrences of the search query for each of the one or more searches,a constant false alarm rate in the putative occurrences of the search query for each of the one or more searches,a constant number of true occurrences of the search query for each of the one or more searches,a constant precision value in the putative occurrences of the search query for each of the one or more searches,a constant number of missed occurrences of the search query for each of the one or more searches, anda constant recall value in the putative occurrences of the search query for each of the one or more searches.
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Abstract
An information retrieval system for search a corpus is configured to, for each of a plurality of searches of at least a subset of the corpus, generate a confidence score for each of a plurality of putative occurrences of a search query in the at least a subset of the corpus. The system is further configured to adjust a threshold to maintain a consistent user experience across the plurality of searches according to a consistency criterion. The system is further configured to display putative occurrences of the search query having a confidence score greater than the threshold.
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Citations
18 Claims
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1. A computer implemented information retrieval system for searching a corpus, the system comprising:
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a computer; a scoring module configured to, for each of one or more searches of at least a subset of the corpus, generate a confidence score for each of one or more putative occurrences of a search query in the at least a subset of the corpus; a threshold module configured to adjust a threshold to maintain a consistent user experience across the one or more searches according to a consistency criterion, wherein the threshold is adjusted according to at least one of a duration of the at least a subset of the corpus or an audio quality of the at least a subset of the corpus; and a display module configured to display putative occurrences of the search query having a confidence score greater than the threshold; wherein the consistency criterion is selected from the group consisting of a constant number of false alarms in the putative occurrences of the search query for each of the one or more searches, a constant false alarm rate in the putative occurrences of the search query for each of the one or more searches, a constant number of true occurrences of the search query for each of the one or more searches, a constant precision value in the putative occurrences of the search query for each of the one or more searches, a constant number of missed occurrences of the search query for each of the one or more searches, and a constant recall value in the putative occurrences of the search query for each of the one or more searches. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 14, 15, 16)
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10. A computer implemented information retrieval system for searching a corpus, the system comprising:
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a computer; a scoring module configured to, for each of one or more searches of at least a subset of the corpus, generate a confidence score for each of one or more putative occurrences of a search query in the at least a subset of the corpus; a threshold module configured to adjust a threshold to maintain a consistent user experience across the one or more searches according to a consistency criterion, wherein the threshold is adjusted according to at least one of a duration of the at least a subset of the corpus or an audio quality of the at least a subset of the corpus; and a display module configured to display putative occurrences of the search query having a confidence score greater than the threshold; wherein the retrieval system is further configured to modify the search algorithm to optimize the consistency criterion, and the consistency criterion is selected from the group consisting of a constant computation duration for each of the plurality of searches, and a constant amount of memory used for each of the one or more searches. - View Dependent Claims (11, 12, 13)
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17. A computer implemented information retrieval system for searching a corpus, the system comprising:
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a computer; a scoring module configured to, for each of one or more searches of at least a subset of the corpus, generate a confidence score for each of one or more putative occurrences of a search query in the at least a subset of the corpus; a threshold module configured to adjust a threshold to maintain a consistent user experience across the one or more searches according to a consistency criterion, wherein the threshold is adjusted according to the search query; and a display module configured to display putative occurrences of the search query having a confidence score greater than the threshold; wherein the consistency criterion is selected from the group consisting of a constant number of false alarms in the putative occurrences of the search query for each of the one or more searches, a constant false alarm rate in the putative occurrences of the search query for each of the one or more searches, a constant number of true occurrences of the search query for each of the one or more searches, a constant precision value in the putative occurrences of the search query for each of the one or more searches, a constant number of missed occurrences of the search query for each of the one or more searches, and a constant recall value in the putative occurrences of the search query for each of the one or more searches.
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18. A computer implemented information retrieval system for searching a corpus, the system comprising:
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a computer; a scoring module configured to, for each of one or more searches of at least a subset of the corpus, generate a confidence score for each of one or more putative occurrences of a search query in the at least a subset of the corpus; a threshold module configured to adjust a threshold to maintain a consistent user experience across the one or more searches according to a consistency criterion, wherein the threshold is adjusted according to the search query; and a display module configured to display putative occurrences of the search query having a confidence score greater than the threshold; wherein the retrieval system is further configured to modify the search algorithm to optimize the consistency criterion, and the consistency criterion is selected from the group consisting of a constant computation duration for each of the plurality of searches, and a constant amount of memory used for each of the one or more searches.
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Specification