Selecting features by learning Markov blankets

  • Authors:
  • Antonino Freno

  • Affiliations:
  • Dipartimento di Ingegneria dell'Informazione, Università degli Studi di Siena, Siena, Italy

  • Venue:
  • KES'07/WIRN'07 Proceedings of the 11th international conference, KES 2007 and XVII Italian workshop on neural networks conference on Knowledge-based intelligent information and engineering systems: Part I
  • Year:
  • 2007

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Abstract

In this paper I propose a novel feature selection technique based on Bayesian networks. The main idea is to exploit the conditional independencies entailed by Bayesian networks in order to discard features that are not directly relevant for classification tasks. An algorithm for learning Bayesian networks and its use in feature selection are illustrated. The advantages of this algorithm with respect to other ones are then discussed. Finally, experimental results are offered which confirm the reliability of the algorithm.