Author

Wei Cheng

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Preprint Jul 2026

Leveraging Trajectory Graphs for Pre-Execution Error Diagnosis in Agentic LLM Systems

This work proposes Trajectory Graph Copilot, a novel framework that acts as a ``copilot'' for LLM agents by diagnosing potential action errors before they are executed, significantly enhancing the agent's ability to complete long-horizon tasks successfully.

Xu Zheng, Zhuomin Chen, Chaohao Lin et al. · 0 citations

Preprint Jul 2026

Bridging Inference-Time Scaling and Episodic Memory with Action-Centric Graphs

A novel framework, \textit{GAMER}~(Graph-based Action-centric Memory with Episodic Reasoning), that bridges the gap between inference scaling and episodic memory by decoupling the memory mechanism from LLMs.

Xu Zheng, Chaohao Lin, Zhuomin Chen et al. · 0 citations