Neural Rule Ensembles: Encoding Sparse Feature Interactions into Neural Networks

• URL: http://arxiv.org/abs/2002.04319v1
• Date: Tue, 11 Feb 2020 11:22:20 GMT
• Title: Neural Rule Ensembles: Encoding Sparse Feature Interactions into Neural Networks
• Authors: Gitesh Dawer, Yangzi Guo, Sida Liu, Adrian Barbu
• Abstract summary: We use decision trees to capture relevant features and their interactions and define a mapping to encode extracted relationships into a neural network. At the same time through feature selection it enables learning of compact representations compared to state of the art tree-based approaches.
• Score: 3.7277730514654555
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Artificial Neural Networks form the basis of very powerful learning methods. It has been observed that a naive application of fully connected neural networks to data with many irrelevant variables often leads to overfitting. In an attempt to circumvent this issue, a prior knowledge pertaining to what features are relevant and their possible feature interactions can be encoded into these networks. In this work, we use decision trees to capture such relevant features and their interactions and define a mapping to encode extracted relationships into a neural network. This addresses the initialization related concern of fully connected neural networks. At the same time through feature selection it enables learning of compact representations compared to state of the art tree-based approaches. Empirical evaluations and simulation studies show the superiority of such an approach over fully connected neural networks and tree-based approaches

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