Constructing situation specific belief networks

  • Authors:
  • Suzanne M. Mahoney;Kathryn Blackmond Laskey

  • Affiliations:
  • Information Extraction and Transport, Inc., Arlington, VA;Dept. of Systems Engineering, George Mason University, Fairfax, VA

  • Venue:
  • UAI'98 Proceedings of the Fourteenth conference on Uncertainty in artificial intelligence
  • Year:
  • 1998

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Abstract

This paper describes a process for constructing situation-specific belief networks from a knowledge base of network fragments. A situation-specific network is a minimal querycomplete network constructed from a knowledge base in response to a query for the probability distribution on a set of target variables given evidence and context variables. We present definitions of query completeness and situation-specific networks. We describe conditions on the knowledge base that guarantee query completeness. The relationship of our work to earlier work on KBMC is also discussed.