Feng, Qianhan, Lujing Xie, Shijie Fang, and Tong Lin. “BaCon: Boosting Imbalanced Semi-Supervised Learning via Balanced Feature-Level Contrastive Learning”. Proceedings of the AAAI Conference on Artificial Intelligence 38, no. 11 (March 24, 2024): 11970–11978. Accessed May 19, 2026. https://ojs.aaai.org/index.php/AAAI/article/view/29084.