Wang, Zekai, Zhengyu Zhou, and Weiwei Liu. “DRF: Improving Certified Robustness via Distributional Robustness Framework”. Proceedings of the AAAI Conference on Artificial Intelligence 38, no. 14 (March 24, 2024): 15752–15760. Accessed May 13, 2026. https://ojs.aaai.org/index.php/AAAI/article/view/29504.