Learning Causal Bayesian Networks from Incomplete Observational Data and Interventions

  • Authors:
  • Hanen Borchani;Maher Chaouachi;Nahla Ben Amor

  • Affiliations:
  • LARODEC, Institut Supéerieur de Gestion de Tunis, Le Bardo, Tunisie 2000;LARODEC, Institut Supéerieur de Gestion de Tunis, Le Bardo, Tunisie 2000;LARODEC, Institut Supéerieur de Gestion de Tunis, Le Bardo, Tunisie 2000

  • Venue:
  • ECSQARU '07 Proceedings of the 9th European Conference on Symbolic and Quantitative Approaches to Reasoning with Uncertainty
  • Year:
  • 2007

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Abstract

This paper proposes a new method for learning causal Bayesian networks from incomplete observational data and interventions. We extend our Greedy Equivalence Search-Expectation Maximization (GES-EM) algorithm [2], initially proposed to learn Bayesian networks from incomplete observational data, by adding a new step allowing the discovery of correct causal relationships using interventional data. Two intervention selection approaches are proposed: an adaptive one, where interventions are done sequentially and where the impact of each intervention is considered before starting the next one, and a non-adaptive one, where the interventions are executed simultaneously. An experimental study shows the merits of the new version of the GES-EM algorithm by comparing the two selection approaches.