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Issue No.05 - September/October (2002 vol.14)
pp: 1196-1200
ABSTRACT
<p><b>Abstract</b>—We derive bounds on the probability of a goal node given a set of acquired input nodes. The bounds apply to decomposable networks; a class of Bayesian Networks encompassing causal trees and causal polytrees. The difficulty of computing the bounds depends on the characteristics of the decomposable network. For directly connected networks with binary goal nodes, tight bounds can be computed in polynomial time. For other kinds of decomposable networks, the derivation of the bounds requires solving an integer program with a nonlinear objective function, a computationally intractable problem in the worst case. We provide a relaxation technique that computes looser bounds in polynomial time for more complex decomposable networks. We briefly describe an application of the probability bounds to a record linkage problem.</p>
INDEX TERMS
Bayesian networks, probability bounds, acquisition cost, sequential decision making.
CITATION
Michael V. Mannino, Vijay S. Mookerjee, "Probability Bounds for Goal Directed Queries in Bayesian Networks", IEEE Transactions on Knowledge & Data Engineering, vol.14, no. 5, pp. 1196-1200, September/October 2002, doi:10.1109/TKDE.2002.1033865
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