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Xingjun Ma

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#artificial intelligence Preprint Sep 2026

VEX-Bench: Benchmarking Verification Complexity of LLM-Generated Misinformation

The VEX-Bench is introduced, a unified benchmark for evaluating the verification complexity of LLM-generated misinformation, as perceived during screening, across models and generation methods, and shows that no single method dominates all dimensions, underscoring the need for multi-dimensional evaluation.

Hanxun Huang, Yu-Tao Wu, Qi-Zhou Wang et al. · 0 citations

AgentHazard: A Benchmark for Evaluating Harmful Behavior in Computer-Use Agents

The benchmark evaluates whether agents can recognize and interrupt harm arising from accumulated context, repeated tool use, intermediate actions, and dependencies across steps, and indicates that current systems remain highly vulnerable.

Yun-Hao Feng, Yifan Ding, Ying-Shui Tan et al. · 18 citations · ⚡1
Preprint Apr 2026

When Direct Prediction Fails: Evidence from LLM-Based Misinformation Risk Evaluation

The results suggest that directly asking for the target response may not always yield the most effective score for predicting it, and that comparing direct scores with indirect paths through related judgments may reveal a more effective predictive route.

Zonghuan Xu, Xiang Zheng, Yu-Tao Wu et al. · 0 citations

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