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Weitao Feng

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Preprint Oct 2026

V$^3$AST-Bench: Verifiable, Valid, and Versatile Safety Evaluation for Coding Agents

Large language models increasingly act through code, modifying repositories, executing programs, and interacting with services in agent form. Their actions introduce risks that cannot be assessed from generated responses alone. Safety evaluation must verify actual consequences, distinguish harm avoidance from task inca...

Wei-Tao Feng, Heng-Heng Xiong, Zi-Hao Zeng et al. · 0 citations
Preprint Sep 2026

Towards TEE-Certified DP: Verifiable Differentially Private Training on Legacy GPUs

Wide adoption of machine learning has created growing policy and regulatory demand for protecting sensitive training data, with differential privacy (DP) emerging as a key mechanism. Yet a less-studied problem is how to certify the faithful execution of DP during training: an external verifier should be able to check t...

Li Ge, Wenjie Qu, Weitao Feng et al. · 0 citations
#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. · 26 citations · ⚡4

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