Liu, Han, Jiaqing Zhan, and Qin Zhang. “Uncertainty-Aware Contrastive Learning With Hard Negative Sampling for Code Search Tasks”. Proceedings of the AAAI Conference on Artificial Intelligence 39, no. 18 (April 11, 2025): 18807–18815. Accessed May 13, 2026. https://ojs.aaai.org/index.php/AAAI/article/view/34070.