Federated causal discovery aims to learn causal structures from distributed data without sharing raw samples. Existing federated nonlinear methods adopt a monolithic global strategy that optimizes the entire graph simultaneously, suffering from catastrophic error propagation: a single misidentified edge cascades throug...
Xianjie Guo, Shuai Yang, Lin Ma et al.· Proceedings of the 32nd ACM...· 0 citations
A novel local causal structure learning algorithm with Efficient Parents Discovery, named EPD, which starts from discovering the MB of the target variable and then learns the PC sets of undetermined variables, and continues iteratively until the parents and children of the target variable are identified.
Shuai Yang, Xin-Yu Miao, Xianjie Guo et al.· ACM Transactions on Intellig...· 0 citations
DC-FNCD (Divide-and-Conquer based Federated Nonlinear Causal Discovery) is proposed, which decomposes the global problem into independent per-variable neighborhood learning tasks, enabling lossless federated aggregation without raw data exchange.
Xianjie Guo, Shuai Yang, Lin Ma et al.· Proceedings of the 32nd ACM...· 0 citations
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