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Chuan-Sen Peng

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#machine learning Preprint Aug 2026

Multi-Source Wasserstein Distributionally Robust Graph Learning

This work proposes MS-WDRO, a multi-source Wasserstein distributionally robust graph learning framework that fuses heterogeneous sources via their weighted Wasserstein barycenter, a geometrically principled nominal distribution, then builds an ambiguity ball around it to hedge residual uncertainty.

Chuan-Sen Peng, Yifan Xia, Jinshan Zhong et al. · 0 citations