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Chaowei Xiao

2 papers indexed

arxivcs.CRcs.AI2026-07-06

When Claws Remember but Do Not Tell: Stealthy Memory Injection in Persistent Personal Agents

Yechao Zhang, Shiqian Zhao, Jiawen Zhang, Jie Zhang, Gelei Deng, Xiaogeng Liu, et al.

Persistent personal agents combine long-term memory with access to users' external environments, enabling personalized foreground assistance and proactive background execution. This integration also creates a new path to compromise: untrusted external content can be silently writ…

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arxivcs.LGcs.CL2026-06-30

One Student, Many Teachers: Multi-Task On-Policy Distillation via Soft-Prompt Privileged Context

Yingzi Ma, Zichen Zhu, Ming Jiang, Chaowei Xiao

On-policy self-distillation (OPSD) teaches large language models new skills through a teacher that shares the student's backbone and supervises its own rollouts. Existing teachers either inject privileged context at the input -- inducing post-hoc rationalization -- or fine-tune w…

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