MaPPO incorporates prior reward knowledge into a Maximum a Posteriori objective for LLM preference optimization, generalizing DPO and variants while supporting offline and online settings.
24 C Supplementary Experiments C.1 Supplementary Experimental Settings Hyperparameter settings
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MaPPO: Maximum a Posteriori Preference Optimization with Prior Knowledge
MaPPO incorporates prior reward knowledge into a Maximum a Posteriori objective for LLM preference optimization, generalizing DPO and variants while supporting offline and online settings.