Groundwater quality assessment using data clustering based on hybrid Bayesian networks
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Aguilera Aguilera, Pedro; Fernández Álvarez, Antonio; Fernández Ropero, Rosa María; Molina Sánchez, LuisFecha
2013Resumen
Bayesian networks have become a standard in the field of Artificial Intelligence as a means of dealing with uncertainty and risk modelling. In recent years, there has been particular interest in the simultaneous use of continuous and discrete domains, obviating the need for discretization, using so-called hybrid Bayesian networks. In these hybrid environments, Mixtures of Truncated Exponentials (MTEs) provide a suitable solution for working without any restriction. The objective of this study is the assessment of groundwater quality through the design and application of a probabilistic clustering, based on hybrid Bayesian networks with MTEs. Firstly, the results obtained allows the differentiation of three groups of sampling points, indicating three different classes of groundwater quality. Secondly,
the probability that a sampling point belongs to each cluster allows the uncertainty in the clusters to be assessed,
as well as the risks associated in terms of water quality management....
Palabra/s clave
Hybrid Bayesian networks
Mixtures of Truncated Exponentials
Probabilistic data clustering
Groundwater quality