Reward Difference Optimization For Sample Reweighting In Offline RLHF Shiqi Wang author Zhengze Zhang author Rui Zhao author Fei Tan author Cam Tu Nguyen author 2024-11 text Findings of the Association for Computational Linguistics: EMNLP 2024 Yaser Al-Onaizan editor Mohit Bansal editor Yun-Nung Chen editor Association for Computational Linguistics Miami, Florida, USA conference publication wang-etal-2024-reward 10.18653/v1/2024.findings-emnlp.115 https://aclanthology.org/2024.findings-emnlp.115/ 2024-11 2109 2123