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Evaluating The Difference Between Graph Structures In Gaussian Bayesian Networks


Gomez-Villegas, Miguel Angel and Main Yaque, Paloma and Navarro Veguillas, Hilario and Susi, Rosario Evaluating The Difference Between Graph Structures In Gaussian Bayesian Networks. Expert Systems With Applications, 38 (10). pp. 12409-12414. ISSN 0957-4174

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In this work, we evaluate the sensitivity of Gaussian Bayesian networks to perturbations or uncertainties in the regression coefficients of the network arcs and the conditional distributions of the variables.
The Kullback–Leibler divergence measure is used to compare the original network to its perturbation.
By setting the regression coefficients to zero or non-zero values, the proposed method can remove or add arcs, making it possible to compare different network structures.
The methodology is implemented with some case studies.

Item Type:Article
Uncontrolled Keywords:Gaussian Bayesian networks; Conditional specification; Sensitivity analysis; Kullback-Leibler divergence measure;Sensitivity-Analysis;Computer Science, Artificial Intelligence; Engineering, Electrical & Electronic; Operations Research & Management
Subjects:Sciences > Mathematics > Mathematical statistics
ID Code:15611

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Deposited On:13 Jun 2012 08:58
Last Modified:06 Feb 2014 10:28

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