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Ziqi Miao

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Preprint Sep 2026

Defense-as-Skill: Evolving Runtime Guard Skill for Skill-Augmented Agents

Skill-augmented agents load reusable skills as persistent runtime context, improving task performance but also giving malicious skills a durable channel for steering future actions. Such skills may leak secrets, corrupt code, bypass approvals, or stage data for exfiltration only after a concrete user task and workspace...

Xiao-Fan Yang, Ziqi Miao, Chen Qian et al. · 0 citations

TabSieve: Explicit In-Table Evidence Selection for Tabular Prediction

TabSieve, a select-then-predict framework that makes evidence usage explicit and auditable, and introduces TAB-GRPO, a reinforcement learning recipe that jointly optimizes evidence selection and prediction correctness with separate rewards, and stabilizes mixed regression and classification training via dynamic task-ad...

Yong-Yao Wang, Ziqi Miao, Lu Yang et al. · 5 citations
#artificial intelligence Preprint Sep 2026

Defense-as-Skill: Evolving Runtime Guard Skill for Skill-Augmented Agents

This work proposes Defense-as-Skill, a defense paradigm that implements the runtime guard itself as an installable, inspectable, and editable skill, and demonstrates transfer across victim models, held-out risk families, and external benchmarks, as well as retained protection against adaptive attackers.

Xiao-Fan Yang, Ziqi Miao, Dian-Bo Sui et al. · 0 citations
Preprint Aug 2026

Tracing the Cascade: A Topology-Aware Evaluation Framework for Scientific Agent Hallucinations

SCHEMA reveals that hallucinations concentrate at a small set of highly connected knowledge hubs, and that final-answer accuracy decouples from trajectory honesty; models often reach correct conclusions through structurally flawed reasoning.

Xinshun Feng, Ziqi Miao, Li-Jun Li et al. · 0 citations

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