Author

Weijuan Zhang

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#artificial intelligence Preprint Sep 2026

The Alignment Paradox: How Post-Training Amplifies Confident Hallucinations in Language Models

Bounded margins mitigate confident hallucinations during post-training, implemented through an entropy-dependent margin bound in direct preference optimization (DPO) and shown to mitigate confident hallucinations during post-training.

Qing-Jia Huang, Ya-Kai Li, Jian-Guo Wu et al. · 0 citations

Conference Open access Jul 2026

JailMeter: An Evidence-Based Evaluation Framework for Jailbreak Attacks on Large Language Models

JailMeter is proposed, an evidence-based evaluation framework designed to more faithfully measure jailbreak effectiveness and distill into a small language model, JailMeter\textsubscript{SLM}, which maintains comparable reliability with significantly reduced computational costs.

Qingjia Huang, Jingyu (Jack) Zhang, Jianguo Wu et al. · Annual Meeting of the Associ... · 2 citations · ⚡1