Li, Xiang, Yuan Cao, Zhongying Zhao, Guoqing Chao, and Yanwei Yu. “Multiplex Heterogeneous Graph Neural Networks With Euclidean-Riemannian Mutual Space Synergy”. Proceedings of the AAAI Conference on Artificial Intelligence 40, no. 18 (March 14, 2026): 15126–15134. Accessed May 8, 2026. https://ojs.aaai.org/index.php/AAAI/article/view/38536.