collaborators

5 papers

cs.AI2026

REIN: Bridging the Gap between Reasoning and Reliability via Reflection and Abstention Alignment

Zhengze Huang, Luyang Yu, Di Hong +5

Large reasoning models (LRMs) are prone to hallucination, which undermines their reliability and poses challenges for safe deployment. Hallucinations in LRMs arise from two distinc…

cs.CR2026

DARWIN: Evolving Jailbreak Adversary and Guardrail for LLM Safety Evaluation and Protection

Weiwei Qi, Zefeng Wu, Zhilin Guo +5

Most existing LLM safety evaluation and defense methods follow a static formulation: jailbreak vulnerabilities are evaluated with fixed attack methods, and guardrails are trained o…

cs.CR2026

DataShield: Uncovering Risky Fine-Tuning Data Across LLMs Through Consensus Subspace Alignment

Zefeng Wu, Weiwei Qi, Jielong Chen +6

Fine-tuning large language models (LLMs) on domain-specific datasets has become a standard paradigm for adapting LLMs to specialized applications. However, recent work has shown th…

cs.CR2026

Towards Identification and Intervention of Safety-Critical Parameters in Large Language Models

Weiwei Qi, Zefeng Wu, Tianhang Zheng +4

Ensuring Large Language Model (LLM) safety is crucial, yet the lack of a clear understanding about safety mechanisms hinders the development of precise and reliable methodologies f…

cs.CL2025

HarmMetric Eval: Benchmarking Metrics and Judges for LLM Harmfulness Assessment

Langqi Yang, Tianhang Zheng, Yixuan Chen +6

The potential of large language models (LLMs) to generate harmful content poses a significant safety risk for data management, as LLMs are increasingly being used as engines for da…