A scheme for approximating probabilistic inference

  • Authors:
  • Rind Dechter;Irina Rish

  • Affiliations:
  • Department of Information and Computer Science, University of California, Irvine;Department of Information and Computer Science, University of California, Irvine

  • Venue:
  • UAI'97 Proceedings of the Thirteenth conference on Uncertainty in artificial intelligence
  • Year:
  • 1997

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Abstract

This paper describes a class of probabilistic approximation algorithms based on bucket elimination which offer adjustable levels of accuracy and efficiency. We analyze the approximation for several tasks: finding the most probable explanation, belief updating and finding the maximum a posteriori hypothesis. We identify regions of completeness and provide preliminary empirical evaluation on randomly generated networks.