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Lots of association rules may be generated in the process of association rules minging. It leads to users hard to find important information they needed. The maximal Boolean association rules have the advantages that these rules contain a small number and don't lose the rules' information. Thereby it increased the efficiency of the users' analysis about the rules and saved the storage space. Opened...
Closed frequent itemsets provide a minimal representation of the itemset without losing their support information and they can greatly reduce the number of patterns. So how to obtain all the closed frequent itemsets effectively is of good importance. This paper constructs a FP-tree according the matrix which only scans the database once. Also we design an algorithm to mine closed frequent itemsets...
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