On a mathematical relationship between the fixed point and the closed itemset in association rule mining

  • Authors:
  • Tian-rui Li;Da Ruan;Tianmin Huang;Yang Xu

  • Affiliations:
  • Department of Mathematics, School of Science, Southwest Jiaotong University, Chengdu, P.R. China;The Belgian Nuclear Research Centre (SCK∙CEN), Mol, Belgium;Department of Mathematics, School of Science, Southwest Jiaotong University, Chengdu, P.R. China;Department of Mathematics, School of Science, Southwest Jiaotong University, Chengdu, P.R. China

  • Venue:
  • AI'05 Proceedings of the 18th Australian Joint conference on Advances in Artificial Intelligence
  • Year:
  • 2005

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Abstract

Association rule mining is one of important research topics in knowledge discovery and data mining. Recent promising direction of association rule mining is mainly to mine closed itemsets. Based on the Galois closed operators, a mathematical relationship between the fixed point and closed itemset in association rule mining is discussed and several properties are obtained. To mine all frequent closed itemsets is equal to build the fixed point lattice and mine its all points that satisfy support constraints. A new method for visualization of association rules based on the generalized association rule base is also proposed.