Author

Wei Chen

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Preprint Oct 2026

CoEvolve: Counterfactual-Guided Co-Evolution of Memory and Collaboration in Multi-Agent Systems

Large language model (LLM)-based multi-agent systems have demonstrated remarkable capabilities across diverse tasks. Yet their memory and collaboration architectures often remain static, constraining continued adaptation and improvement over time. Recent work addresses this limitation by evolving memory or collaboratio...

Xu-Fei Shi, De-Rong Xu, Wei Chen et al. · 0 citations

#artificial intelligence Preprint Aug 2026

ATLAS: Dual-Horizon Diagnostic Evaluation for Industrial Tool-Use Agents

This work proposes ATLAS, a dual-horizon diagnostic evaluation framework for industrial tool-use agents that instantiates LLM judge interfaces as executable signals with explicit evidence scopes and decision boundaries, and evaluates ATLAS on Meituan Xiaotuan production traffic.

Wei Chen, Pei-Lun Zhou, Zhao-Yu Hu et al. · 0 citations

Preprint Aug 2026

SAFE-G: Structure-aware Faithful Evidence-guided Generation for Knowledge-based Visual Question Answering

This work proposes SAFE-G, a Structure-Aware Faithful Evidence-guided Generation framework, which enables precise evidence localization and trustworthy reasoning and introduces a reinforcement learning strategy with an evidence-grounded reward that assigns credit to correct answers only when the selected evidence is co...

Long Shu, Shuo-Chen Liu, Wei Chen et al. · 0 citations