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Mu-Lei Zhang

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#artificial intelligence Mar 2026

Stabilizing Rubric Integration Training via Decoupled Advantage Normalization

We propose Process-Aware Policy Optimization (PAPO), a method that integrates process-level evaluation into Group Relative Policy Optimization (GRPO) through decoupled advantage normalization, to address two limitations of existing reward designs. Outcome reward models (ORM) evaluate only final-answer correctness, trea...

Zelin Tan, Zhouliang Yu, Bo-Cheng Lin et al. · arXiv.org · 4 citations