Information retrieval method with efficient similarity search capability
First Claim
1. A method of retrieving information comprising:
- specifying a first query including one or more specified attribute values corresponding to one or more attributes;
performing a count-only query on a structured information base for information elements having one or more attribute values within a first range, the first range including the specified attribute values; and
performing a retrieval query for information elements having one or more attribute values within a second range, wherein the second range includes the first range.
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Abstract
Embodiments of the present invention include methods for retrieving information from an information base. In one embodiment, the present invention includes specifying a first query including one or more specified attribute values corresponding to one or more attributes, performing a count-only query on a structured information base for information elements having one or more attribute values within a first range, the first range including the specified attribute values, and performing a retrieval query for information elements having one or more attribute values within a second range, wherein the second range includes the first range.
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Citations
25 Claims
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1. A method of retrieving information comprising:
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specifying a first query including one or more specified attribute values corresponding to one or more attributes;
performing a count-only query on a structured information base for information elements having one or more attribute values within a first range, the first range including the specified attribute values; and
performing a retrieval query for information elements having one or more attribute values within a second range, wherein the second range includes the first range. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A method of retrieving information comprising:
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specifying a first query including one or more specified attribute values corresponding to one or more attributes;
generating a threshold value;
generating a local similarity value for each of the one or more attributes based on the threshold value;
generating a first range based on each local similarity value, the first range including the specified attribute values;
performing a count-only query on a structured information base for information elements having one or more attribute values within the first range; and
performing a retrieval query for information elements having one or more attribute values within a second range, wherein the second range includes the first range. - View Dependent Claims (18, 19, 20, 21, 23, 24, 25)
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22. The method of claim 22 wherein the second range is generated using inverse similarity functions.
Specification