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Published in:
2018 | OriginalPaper | Chapter
Causal Discovery with Bayesian Networks Inductive Transfer
Authors : Haiyang Jia, Zuoxi Wu, Juan Chen, Bingguang Chen, Sicheng Yao
Published in: Knowledge Science, Engineering and Management
Publisher: Springer International Publishing
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Abstract
Bayesian networks (BNs) is a dominate model for representing causal knowledge with uncertainty. Causal discovery with BNs requiring large amount of training data for learning BNs structure. When confronted with small sample scenario the learning task is a big challenge. Transfer learning motivated by the fact that people can intelligently apply knowledge learned previously to solve new problems faster or with better solutions, the paper defines a transferable conditional independence test formula which exploit the knowledge accumulated from data in auxiliary domains to facilitate learning task in the target domain, a BNs inductive transfer algorithm were proposed, which learning the Markov equivalence class of BNs. Empirical experiment was deployed, the results demonstrate the effectiveness of the inductive transfer.