An empirical study of Bayesian network inference with simple propagation

Cory J. Butz, Jhonatan Oliveira, Andre E. dos Santos, Anders Læsø Madsen

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Abstract

We propose Simple Propagation (SP) as a new join tree propagation algorithm for exact inference in discrete Bayesian networks. We establish the correctness of SP. The striking feature of SP is that its message construction exploits the factorization of potentials at a sending node, but without the overhead of building and examining graphs as done in Lazy Propagation (LP). Experimental results on optimal (or close to optimal) join trees built from numerous benchmark Bayesian networks show that SP is often faster than LP.
Original languageEnglish
JournalInternational Journal of Approximate Reasoning
Volume92
Pages (from-to)198-211
Number of pages14
ISSN0888-613X
DOIs
Publication statusPublished - 1 Jan 2018

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Keywords

  • Bayesian networks
  • Exact inference
  • Join tree propagation

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