Efficient Mining of High Branching Factor Attribute Trees

  • Authors:
  • Alexandre Termier;Marie-Christine Rousset;Michele Sebag;Kouzou Ohara;Takashi Washio;Hiroshi Motoda

  • Affiliations:
  • Osaka University;CNRS, Université Paris-Sud and INRIA;CNRS, Université Paris-Sud and INRIA;Osaka University;Osaka University;Osaka University

  • Venue:
  • ICDM '05 Proceedings of the Fifth IEEE International Conference on Data Mining
  • Year:
  • 2005

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Abstract

In this paper, we present a new tree mining algorithm, DRYADEPARENT, based on the hooking principle first introduced in DRYADE [9]. In the experiments, we demonstrate that the branching factor and depth of the frequent patterns to find are key factor of complexity for tree mining algorithms. We show that DRYADEPARENT outperforms the current fastest algorithm, CMTreeMiner, by orders of magnitude on datasets where the frequent patterns have a high branching factor.