Closed itemset mining using difference update

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United States of America Patent

PATENT NO 9563669
APP PUB NO 20130332431A1
SERIAL NO

13494599

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Embodiments are directed to, for a database comprising a set of transactions, with each transaction including an itemset comprising one or more individual items, obtaining a set of all closed frequent itemsets by checking frequencies of transaction sets, wherein a given itemset, I, is frequent where at least some threshold number (μ) of transactions contain I, and wherein the given itemset I is closed wherein it is impossible to add any item to I without changing the frequency thereof.

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Patent Owner(s)

  • INTERNATIONAL BUSINESS MACHINES CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Yoshida, Issei Tokyo, JP 48 214

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