Proceedings of the Eighth International Conference on Probabilistic Safety Assessment & Management (PSAM)
119 The Methodology to Build the Network Used in a Bayesian Belief Net Approach (PSAM-0068)
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In using the Bayesian belief net (BBN) method, there are two phases: the first step is to build the graphical structure and the second step is to define the node probability table, or the distribution for each node of the network. In spite of the fact that the graph has a great importance for the BBN approach, most of the studies in the literature pay attention only on the quantification phase. In these studies, the networks are presented and used and there is no specification about how they have been built. This paper presents the methodology to build the network...