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Yuxuan Chen

4 papers indexed

arxivcs.AI2026-07-21

Mi-Memory: A Lifecycle Memory Framework for Personal AI

Xule Liu, Hanlin Teng, Chao Li, Yanan Ni, Shuo Lu, Audrey Wang, et al.

Personal AI is moving beyond chat-only interaction toward continuous services that span phones, cars, homes, wearables, cameras, and tools. In this setting, memory cannot remain a cache of prior conversations. It should serve as a continuity and governance substrate: preserving d…

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arxiveess.SY2026-07-17

From Similarity to Feasibility: Diffusion-Refined Retrieval-Augmented Generation for Distribution Network Optimization

Yuxuan Chen, Haipeng Xie, Shuo Dai, Ruoyi Xu, Zhaohong Bie

Rapidly shifting operational scenarios driven by uncertain Distributed Energy Resource (DER) profiles render conventional distribution network optimization methods either computationally expensive or poorly generalizable. This paper introduces GridRAG, a pioneering retrieval-augm…

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arxivcs.CRcs.LG2026-06-27

FlipGuard: Defending Large Language Models Against Quantization-Conditioned Backdoor Attacks

Aoying Zheng, Anqi Du, Zizhuang Deng, Yuxuan Chen

Model quantization is essential for the efficient deployment of Large Language Models (LLMs), but introduces a critical vulnerability: Quantization-Conditioned Backdoor (QCB) attacks. In these attacks, malicious behaviors remain dormant in full-precision models and activate only…

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