Zhang, Miao, Jiawei Wang, Kui Xiao, Shihui Wang, Yan Zhang, Hao Chen, and Zhifei Li. “Learning Concept Prerequisite Relation via Global Knowledge Relation Optimization”. Proceedings of the AAAI Conference on Artificial Intelligence 39, no. 2 (April 11, 2025): 1638–1646. Accessed May 12, 2026. https://ojs.aaai.org/index.php/AAAI/article/view/32156.