Author

Qing Li

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Preprint Aug 2026

Evidence, Logic, and Compliance: Multi-Agent Structured Graph Reasoning with Expert Arbitration for Medical Referral

MASGR (Multi-Agent Structured Graph Reasoning), a framework that treats referral not as a classification task but as a structured graph construction problem, significantly outperforms state-of-the-art LLMs and existing multi-agent systems, particularly in complex cases requiring the balancing of chronic disease managem...

Qi Peng, Yi Cai, Jialin Cui et al. · 0 citations

#artificial intelligence Preprint Jun 2026

CDPR: Counterfactual Advantage-based Credit Assignment for Cost-Aware Sequential Medical Diagnosis

This work proposes CDPR (Counterfactual Diagnostic Process Reward), which needs no expert labels and no learned critic and improves diagnostic accuracy while clearly reducing the number and cost of examinations.

Qi Peng, Yi Cai, Changmeng Zheng et al. · 0 citations