Papers with EXRM
On the Limited Generalization Capability of the Implicit Reward Model Induced by Direct Preference Optimization (2024.findings-emnlp)
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Yong Lin, Skyler Seto, Maartje Ter Hoeve, Katherine Metcalf, Barry-John Theobald, Xuan Wang, Yizhe Zhang, Chen Huang, Tong Zhang
| Challenge: | Reinforcement Learning from Human Feedback (RLHF) is an effective approach for aligning language models to human preferences. |
| Approach: | They compare the accuracy of DPORM and EXRM with a reward function for scoring human preferences. |
| Outcome: | The proposed methods can approximate an EXRM on the limit infinite samples, but it is unclear how effective they are in practice. |