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dc.contributor.authorHernández, Luis D.
dc.contributor.authorMoral, Serafín
dc.contributor.authorSalmerón Cerdán, Antonio 
dc.date.accessioned2017-07-07T07:18:13Z
dc.date.available2017-07-07T07:18:13Z
dc.date.issued1998
dc.identifier.urihttp://hdl.handle.net/10835/4899
dc.description.abstractA class of Monte Carlo algorithms for probability propagation in belief networks is given. The simulation is based on a two steps procedure. The first one is a node deletion technique to calculate the ’a posteriori’ distribution on a variable, with the particularity that when exact computations are too costly, they are carried out in an approximate way. In the second step, the computations done in the first one are used to obtain random configurations for the variables of interest. These configurations are weighted according to the importance sampling methodology. Different particular algorithms are obtained depending on the approximation procedure used in the first step and in the way of obtaining the random configurations. In this last case, a stratified sampling technique is used, which has been adapted to be applied to very large networks without problems with round-off errors.es_ES
dc.language.isoenes_ES
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internacional*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectBelief networkses_ES
dc.subjectSimulationes_ES
dc.subjectImportance samplinges_ES
dc.subjectStratified samplinges_ES
dc.subjectApproximate precomputationes_ES
dc.titleA Monte-Carlo Algorithm for Probabilistic Propagation in Belief Networks based on Importance Sampling and Stratified Simulation Techniqueses_ES
dc.typeinfo:eu-repo/semantics/articlees_ES
dc.rights.accessRightsinfo:eu-repo/semantics/openAccesses_ES
dc.identifier.doihttps://doi.org/10.1016/S0888-613X(97)10004-4


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Attribution-NonCommercial-NoDerivatives 4.0 Internacional
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