ExAMiner: Optimized Level-wise Frequent Pattern Mining with Monotone Constraints

  • Authors:
  • Francesco Bonchi;Fosca Giannotti;Alessio Mazzanti;Dino Pedreschi

  • Affiliations:
  • -;-;-;-

  • Venue:
  • ICDM '03 Proceedings of the Third IEEE International Conference on Data Mining
  • Year:
  • 2003

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Abstract

The key point of this paper is that, in frequent patternmining, the most appropriate way of exploiting monotoneconstraints in conjunction with frequency is to use them inorder to reduce the problem input together with the searchspace. Following this intuition, we introduce ExAMiner, alevel-wise algorithm which exploits the real synergy of anti-monotoneand monotone constraints: the total benefit isgreater than the sum of the two individual benefits. ExAMinergeneralizes the basic idea of the preprocessing algorithmExAnte, embedding such ideas at all levels ofan Apriori-like computation. The resulting algorithm is thegeneralization of the Apriori algorithm when a conjunctionof monotone constraints is conjoined to the frequency anti-monotoneconstraint. Experimental results confirm that thisis, so far, the most efficient way of attacking the computationalproblem in analysis.