An alternative proof that exact inference problem in bayesian belief networks is NP-hard

  • Authors:
  • Mustafa Tacettin;Tonguç Ünlüyurt

  • Affiliations:
  • Faculty of Engineering and Natural Sciences, Sabancı University, Orhanli, Istanbul, Turkey;Faculty of Engineering and Natural Sciences, Sabancı University, Orhanli, Istanbul, Turkey

  • Venue:
  • ISCIS'05 Proceedings of the 20th international conference on Computer and Information Sciences
  • Year:
  • 2005

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Abstract

Exact inference problem in belief networks has been well studied in the literature and has various application areas. It is known that this problem and its approximation version are NP-hard. In this study, an alternative polynomial time transformation is provided from the well-known vertex cover problem. This new transformation may lead to new insights and polynomially solvable classes of the exact inference problem in Bayesian belief networks.