Model complexity vs. performance in the Bayesian optimization algorithm

Elon S. Correa, Jonathan L. Shapiro

    Research output: Chapter in Book/Conference proceedingConference contribution

    Abstract

    The Bayesian Optimization Algorithm (BOA) uses a Bayesian network to estimate the probability distribution of promising solutions to a given optimization problem. This distribution is then used to generate new candidate solutions. The objective is to improve the population of candidate solutions by learning and sampling from good solutions. A Bayesian network (BN) is a graphical representation of a probability distribution over a set of variables of a given problem domain. The number of topological states that a BN can create depends on a parameter called maximum allowed indegree. We show that the value of the maximum allowed indegree given to the Bayesian network used by the BOA strongly affects the performance of this algorithm. Furthermore, there is a limited set of values for this parameter for which the performance of the BOA is maximized. © Springer-Verlag Berlin Heidelberg 2006.
    Original languageEnglish
    Title of host publicationLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)|Lect. Notes Comput. Sci.
    PublisherSpringer Nature
    Pages998-1007
    Number of pages9
    Volume4193
    ISBN (Print)3540389903, 9783540389903
    DOIs
    Publication statusPublished - 2006
    Event9th International Conference on Parallel Problem Solving from Nature, PPSN IX - Reykjavik
    Duration: 1 Jul 2006 → …
    http://dblp.uni-trier.de/db/conf/ppsn/ppsn2006.html#CorreaS06http://dblp.uni-trier.de/rec/bibtex/conf/ppsn/CorreaS06.xmlhttp://dblp.uni-trier.de/rec/bibtex/conf/ppsn/CorreaS06

    Publication series

    NameLecture Notes in Computer Science

    Conference

    Conference9th International Conference on Parallel Problem Solving from Nature, PPSN IX
    CityReykjavik
    Period1/07/06 → …
    Internet address

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