Xu, Cai, Xujing Wang, Ziyu Guan, Wei Zhao, and Meng Yan. 2026. “GUIDER: Uncertainty Guided Dynamic Re-Ranking for Large Language Models Based Recommender Systems”. Proceedings of the AAAI Conference on Artificial Intelligence 40 (19):16049-57. https://doi.org/10.1609/aaai.v40i19.38639.