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Mining Bayesian Network Structure for Large Sets of Variables

  • Mieczysław A. Kłopotek
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 2366)

Abstract

A well-known problem with Bayesian networks (BN) is the practical limitation for the number of variables for which a Bayesian network can be learned in reasonable time. Even the complexity of simplest tree-like BN learning algorithms is prohibitive for large sets of variables. The paper presents a novel algorithm overcoming this limitation for the tree-like class of Bayesian networks. The new algorithm space consumption grows linearly with the number of variables n while the execution time is proportional to n ln(n), outperforming any known algorithm. This opens new perspectives in construction of Bayesian networks from data containing tens of thousands and more variables, e.g. in automatic text categorization.

Keywords

Bayesian Network Edge Node Bayesian Belief Network Edge Tree Edge Removal 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2002

Authors and Affiliations

  • Mieczysław A. Kłopotek
    • 1
    • 2
  1. 1.Institute of Computer SciencePolish Academy of SciencesWarsawPoland
  2. 2.Institute of Computer ScienceUniversity of PodlasieSiedlcePoland

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