Zhao, Songwei, Yuan Jiang, Zijing Zhang, Yang Yu, and Hechang Chen. “GRAIN: Multi-Granular and Implicit Information Aggregation Graph Neural Network for Heterophilous Graphs”. Proceedings of the AAAI Conference on Artificial Intelligence 39, no. 12 (April 11, 2025): 13383–13391. Accessed May 14, 2026. https://ojs.aaai.org/index.php/AAAI/article/view/33461.