φ-频繁闭项目挖掘问题及其算法
The Problem ofφ-Frequency Closed Itemset Mining and Its Algorithm
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摘要:关联规则挖掘问题是数据挖掘领域一个重要的研究方向,φ-关联规则挖掘问题是它的一种推广形式。 利用闭项目集的思想,提出了φ-频繁闭项目挖掘问题。它是φ-关联规则挖掘问题的一种替代,并给出了一种有 效的挖掘算法,有效解决φ-关联规则挖掘问题中产生大量规则的问题。Abstract:Association rule mining is an important research area in data mining, andφ-association rule mining is one of its generalizations. Based on closed itemset, a problem of ((frequent closed itemset is studied, which is a substitute of the problem ofφ-association rule mining. Also, a mining algorithm is presented, which can efficientlysolve the problemofgeneratingtoomanyrules inφ-association rule mining.
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Key words:
- databases/
- data processing/
- φ-frequent closed itemset/
- association rule/
- data mining
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