Scheme for filtering documents on network using relevant and non-relevant profiles
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United States of America Patent
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Dec 19, 2006
Grant Date -
Oct 18, 2001
app pub date -
Feb 28, 2001
filing date -
Mar 13, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A document filtering scheme capable of reducing the number of erroneously selected non-relevant documents without reducing the number of correctly selected relevant documents is disclosed. a non-relevant profile expressing non-relevant documents that are judged as having high similarities with respect to a relevant profile expressing a user's request but not matching with the user's request is utilized in addition to the relevant profile, such that each search target document for which the similarity with respect to the relevant profile is higher than a prescribed threshold for the relevant profile and the similarity with respect to the non-relevant profile is higher than a prescribed threshold for the non-relevant profile is removed as a non-relevant document.
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