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Open AccessArticle

K-Dependence Bayesian Classifier Ensemble

Key Laboratory of Symbolic Computation and Knowledge Engineering of Ministry of Education, Jilin University, Changchun 130012, China
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Entropy 2017, 19(12), 651; https://doi.org/10.3390/e19120651
Received: 6 September 2017 / Revised: 23 November 2017 / Accepted: 27 November 2017 / Published: 30 November 2017
(This article belongs to the Special Issue Symbolic Entropy Analysis and Its Applications)
To maximize the benefit that can be derived from the information implicit in big data, ensemble methods generate multiple models with sufficient diversity through randomization or perturbation. A k-dependence Bayesian classifier (KDB) is a highly scalable learning algorithm with excellent time and space complexity, along with high expressivity. This paper introduces a new ensemble approach of KDBs, a k-dependence forest (KDF), which induces a specific attribute order and conditional dependencies between attributes for each subclassifier. We demonstrate that these subclassifiers are diverse and complementary. Our extensive experimental evaluation on 40 datasets reveals that this ensemble method achieves better classification performance than state-of-the-art out-of-core ensemble learners such as the AODE (averaged one-dependence estimator) and averaged tree-augmented naive Bayes (ATAN). View Full-Text
Keywords: k-dependence forest; diversity; conditional dependencies k-dependence forest; diversity; conditional dependencies
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Duan, Z.; Wang, L. K-Dependence Bayesian Classifier Ensemble. Entropy 2017, 19, 651.

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