Sampling method for estimating co-occurrence counts
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United States of America Patent
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Sep 30, 2008
Grant Date -
Aug 17, 2006
app pub date -
Feb 11, 2005
filing date -
Feb 11, 2005
priority date (Note) -
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Abstract
The subject invention leverages data sampling techniques to provide an efficient means to determine co-occurrence count estimations for objects and features from relational data, simplifying measure-of-association determinations. By providing an efficient mechanism to estimate co-occurrence counts, instances of the subject invention can be incorporated directly into a database, increasing its versatility and performance for such uses as collaborative filtering recommendations. Other instances of the subject invention can be utilized for enhancing database query selectivity, optimizing query performance through employment of a priori co-occurrence counts.
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