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Author

Chenming Tang

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#artificial intelligence Preprint Sep 2026

Privy to the Foil: Recasting Value Estimation with a Self-Privileged Critic for RLVR

Assigning credit to intermediate steps remains a central challenge in training Large Language Models (LLMs) on multi-step reasoning tasks with sparse terminal rewards, and actor-critic methods such as PPO address this by learning value functions to construct token-level advantages. Their effectiveness, however, hinges...

Kun Liang, Chenming Tang, Clive Bai et al. · 0 citations
Preprint Aug 2026

Select-And-Extract: A Lightweight Plugin for Retrieval-Augmented Generation

This work proposes Select-ANd-Extract (SANE), a simple yet effective plugin for RAG that performs blueprint-guided query-time evidence extraction, which allows the generator LM to use only compact and structured key information so that it can perform better reasoning.

Chenming Tang, Jia-Wei Han · 0 citations

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