Detecting duplicate and near-duplicate files
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United States of America Patent
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Dec 2, 2003
Grant Date -
N/A
app pub date -
Jan 24, 2001
filing date -
Jan 24, 2001
priority date (Note) -
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Abstract
Improved duplicate and near-duplicate detection techniques may assign a number of fingerprints to a given document by (i) extracting parts from the document, (ii) assigning the extracted parts to one or more of a predetermined number of lists, and (iii) generating a fingerprint from each of the populated lists. Two documents may be considered to be near-duplicates if any one of their fingerprints match.
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