A new hierarchical redundancy eliminated tree augmented naive Bayes classifier for coping with gene ontology-based features

Wan, Cen and Freitas, A. (2016) A new hierarchical redundancy eliminated tree augmented naive Bayes classifier for coping with gene ontology-based features. In: The 33rd International Conference on Machine Learning (ICML) Workshop on Computational Biology, 24th June 2016, New York.

Abstract

The Tree Augmented Naive Bayes classifier is a type of probabilistic graphical model that can represent some feature dependencies. In this work, we propose a Hierarchical Redundancy Eliminated Tree Augmented Naive Bayes (HRE–TAN) algorithm, which considers removing the hierarchical redundancy during the classifier learning process, when coping with data containing hierarchically structured features. The experiments showed that HRE–TAN obtains significantly better predictive performance than the conventional Tree Augmented Naive Bayes classifier, and enhanced the robustness against imbalanced class distributions, in aging-related gene datasets with Gene Ontology terms used as features.

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