Spanning Tree Based Attribute Clustering

  • Authors:
  • Yifeng Zeng;Jorge Cordero Hernandez;Shuyuan Lin

  • Affiliations:
  • Department of Computer Science, Aalborg University, Aalborg, Denmark DK-9220 and Department of Computer Science, Fuzhou University, FuJian, P.R.China;Department of Computer Science, Aalborg University, Aalborg, Denmark DK-9220 and Department of Computer Science, Fuzhou University, FuJian, P.R.China;Department of Computer Science, Aalborg University, Aalborg, Denmark DK-9220 and Department of Computer Science, Fuzhou University, FuJian, P.R.China

  • Venue:
  • PAKDD '09 Proceedings of the 13th Pacific-Asia Conference on Advances in Knowledge Discovery and Data Mining
  • Year:
  • 2009

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Abstract

Attribute clustering has been previously employed to detect statistical dependence between subsets of variables. We propose a novel attribute clustering algorithm motivated by research of complex networks, called the Star Discovery algorithm. The algorithm partitions and indirectly discards inconsistent edges from a maximum spanning tree by starting appropriate initial modes, therefore generating stable clusters. It discovers sound clusters through simple graph operations and achieves significant computational savings. We compare the Star Discovery algorithm against earlier attribute clustering algorithms and evaluate the performance in several domains.