计算机科学 ›› 2009, Vol. 36 ›› Issue (2): 175-178.

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Q—CFIsL:挖掘频繁闭项集并构建其格的快速算法

  

  • 出版日期:2018-11-16 发布日期:2018-11-16
  • 基金资助:
    本文受重庆市自然科学基金(CSTC,2007BB2178)资助.

  • Online:2018-11-16 Published:2018-11-16

摘要: 提出了一种快速挖掘频繁闭项集并构建其格的算法Q-CFIsL。该算法引入了preC(X)的概念,使用preC(X)加快了包容检测和建格的速度。实验表明,对于真实数据集以及合成数据集,Q-CFIsL的性能都优于当前最新的同类算法CHARM-L。

关键词: 关联规则 频繁闭项集 频繁闭项集格

Abstract: A fast algorithm Q-CFIsL for mining closed frequent itemsets and building their lattice was presented. It introduced prec(X),which can make the subsumption cheching and latiice building more efficiently. Experimental results show that Q-CFIsL outperforms

Key words: Association rule, Closed frequent itemset, Closed frequent itemset lattice

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