@inproceedings{le-etal-2026-distribution, title = "When In-Distribution Gains Fail: Evaluating Weak-to-Strong Reward Models under Preference Shift", author = "Le, Khoi M. and Cao, Tri and Nguyen, Phong Nam Huu and Nguyen, Cong-Duy T and Luu, Anh Tuan and Miao, Chunyan and Ng, See-Kiong and Nguyen, Thong Thanh", editor = "Lee, Hung-Yi and Dev, Sunipa and Li, Jessy and Elliott, Desmond", booktitle = "Proceedings of the 2026 Conference on Empirical Methods in Natural Language Processing", month = oct, year = "2026", address = "Budapest, Hungary", publisher = "Association for Computational Linguistics", url = "https://aclanthology.org/2026.emnlp-main.1240/", pages = "28270--28288", ISBN = "979-8-89176-459-0" }