System and method for quickly mining association rules in databases
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United States of America Patent
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Aug 11, 1998
Grant Date -
N/A
app pub date -
Mar 31, 1995
filing date -
Mar 31, 1995
priority date (Note) -
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Abstract
A system and method for discovering consumer purchasing tendencies includes a computer-implemented program which identifies consumer transaction itemsets that are stored in a database and which appear in the database a user-defined minimum number of times, referred to as minimum support. Then, the system discovers association rules in the itemsets by comparing the ratio of the number of times each of the large itemsets appears in the database to the number of times particular subsets of the itemset appear in the database. When the ratio exceeds a predetermined minimum confidence value, the system outputs an association rule which is representative of purchasing tendencies of consumers.
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