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  Distribution-free Learning of Bayesian Network Structure

Sun, X. (2008). Distribution-free Learning of Bayesian Network Structure. Machine Learning and Knowledge Discovery in Databases: European Conference, ECML PKDD 2008, 423-439.

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 Urheber:
Sun, X1, Autor           
Daelemans, Herausgeber
W., Herausgeber
Goethals, B., Herausgeber
Morik, K., Herausgeber
Affiliations:
1Department Empirical Inference, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497795              

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 Zusammenfassung: We present an independence-based method for learning Bayesian network (BN) structure without making any assumptions on the probability distribution of the domain. This is mainly useful for continuous domains. Even mixed continuous-categorical domains and structures containing vectorial variables can be handled. We address the problem by developing a non-parametric conditional independence test based on the so-called kernel dependence measure, which can be readily used by any existing independence-based BN structure learning algorithm. We demonstrate the structure learning of graphical models in continuous and mixed domains from real-world data without distributional assumptions. We also experimentally show that our test is a good alternative, in particular in case of small sample sizes, compared to existing tests, which can only be used in purely categorical or continuous domains.

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 Datum: 2008-09
 Publikationsstatus: Erschienen
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Titel: European Conference on Machine Learning and Principles and Practice of Knowledge Discovery in Databases
Veranstaltungsort: Antwerpen, Belgium
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Titel: Machine Learning and Knowledge Discovery in Databases: European Conference, ECML PKDD 2008
Genre der Quelle: Zeitschrift
 Urheber:
Affiliations:
Ort, Verlag, Ausgabe: Berlin, Germany : Springer
Seiten: - Band / Heft: - Artikelnummer: - Start- / Endseite: 423 - 439 Identifikator: -