A Method Based on Genetic Algorithms and Fuzzy Logic to Induce Bayesian Networks

  • Authors:
  • Manuel Martinez Morales;Ramiro Garza Dominguez;Nicandro Cruz Ramirez;Alejandro Guerra Hernandez;Jose Luis Jimenez Andrade

  • Affiliations:
  • Universidad Veracruzana;Universidad Veracruzana;Universidad Veracruzana;Universidad Veracruzana;Universidad Veracruzana

  • Venue:
  • ENC '04 Proceedings of the Fifth Mexican International Conference in Computer Science
  • Year:
  • 2004

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Abstract

A method to induce bayesian networks from data to over-come some limitations of other learning algorithms is proposed. One of the main features of this method is a metric to evaluate bayesian networks combining different quality criteria. A fuzzy system is proposed to enable the combination of different quality metrics. In this fuzzy system a metric of classification is also proposed, a criterium that is not often used to guide the search while learning bayesian networks. Finally, the fuzzy system is integrated to a genetic algorithm, used as a search method to explore the space of possible bayesian networks, resulting in a robust and flexible learning method with performance in the range of the best learning algorithms of bayesian networks developed up to now.