Author

Weiming Zhang

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#artificial intelligence Open access Dec 2023

Controlling Risks of AI in Chemical Science with Agents

SciGuard is proposed, an agent-based guardrail that employs large language models, tools and external knowledge to assess and control risks in scientific AI interactions, and achieves a state-of-the-art harmlessness score on red-teaming queries, while maintaining high performance on benign tasks, without sacrificing sc...

Jiyan He, Hao-Xiang Guan, Weitao Feng et al. · AI for Science · 26 citations · ⚡4

#artificial intelligence Preprint Sep 2026

The Safeguard Worked. Is the LLM System Safer?

This work determines what each reported result implies for that question: how much help with harmful tasks the service still gives an attacker who keeps adapting or finds another way in.

Pingyu Wu, Wei-Ming Zhang, Neng-Hai Yu · 0 citations

Preprint Aug 2026

Breadcrumbing Search Agents

This work studies the channel delivering search and page observations is a fragile security boundary and introduces Authority-Chain Hijack (ACH), an expert-refined strategy that turns isolated search-result and page-content manipulations into a coherent evidence chain across seemingly corroborating sources.

Xuebin Li, Han-Qing Zhao, Si-Yuan Liang et al. · 0 citations