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Lin-Jian Mo

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#artificial intelligence Preprint Sep 2026

InterTab: Interleaved Visual-Structure Alignment for Multi-Modal Table Reasoning

InterTab is a structure-aware framework for CoT reasoning over table images that interleaves chain-of-thought with tool calls that crop structure-aligned table regions, and improves the average accuracy of its backbone from 68.28% to 73.17% and achieves the best average performance among all compared methods.

Hanqian Li, Si-Rui Huang, Chen Ling et al. · 0 citations
Preprint Aug 2026

MetaRAG: Belief-Action Aligned Policy Optimization for Agentic RAG

MetaRAG is proposed, a belief-action aligned policy optimization framework for agentic RAG that consistently improves the accuracy-efficiency trade-off over strong RL-based agentic RAG baselines, with gains that transfer to deep research settings, different optimizers, and multiple model backbones.

Qiuyi Qi, Tian Liang, Jiamu Wang et al. · 0 citations
Preprint Aug 2026

Teach the Magnitude, Not the Direction: Verifier-Bounded Credit Assignment for Multi-Turn Multi-step LLM Agents

A hierarchical credit assignment framework that retains RL's verifier-bounded ceiling while incorporating dense token-level signals from a privileged self-teacher is introduced, unlocking dense credit assignment without sacrificing the verifier-bounded ceiling.

Zechuan Wang, Siyuan Lu, Hongxuan Zhang et al. · 4 citations
#artificial intelligence Preprint Aug 2026

Rubric-to-Code Credit Assignment for Reinforcement Learning

A reinforcement learning framework that converts rubric-level functional feedback into localized optimization signals over generated code and aligns evaluator-generated textual attributions with responsible code spans and generated tokens is proposed.

Rui Jin, Jikai Chen, Yihang Chen et al. · 0 citations

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