Zeng, Zhichen, Boxin Du, Si Zhang, Yinglong Xia, Zhining Liu, and Hanghang Tong. “Hierarchical Multi-Marginal Optimal Transport for Network Alignment”. Proceedings of the AAAI Conference on Artificial Intelligence 38, no. 15 (March 24, 2024): 16660–16668. Accessed May 26, 2026. https://ojs.aaai.org/index.php/AAAI/article/view/29605.