Pu, Hongshan, Haoxu Zhang, Ye Liu, and Hongmin Cai. “Graph Contrastive Learning With Balanced Hard Negatives and Fine-Grained Semantic-Aware Positives”. Proceedings of the AAAI Conference on Artificial Intelligence 40, no. 29 (March 14, 2026): 24873-24881. Accessed April 29, 2026. https://ojs.aaai.org/index.php/AAAI/article/view/39674.