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Xiangliang Zhang

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#machine learning Review Sep 2026

Reward Hacking Challenges Oversight of Autonomous Research Agents

How often models reward-hack without instructions to do so, how effective and detectable their methods are when hacking is allowed, and how they adapt when an LLM review panel returns its decision and reasons are studied.

Yue Huang, Zhangchen Xu, Yu-Chen Ma et al. · 1 citation
Book Open access Aug 2026

AutoDavis: Automatic and Dynamic Evaluation Protocol of Large Vision-Language Models on Visual Question-Answering

AutoDavis is introduced, a first-of-its-kind automatic and dynamic evaluation protocol that enables on-demand benchmarking of LVLMs across specific capability dimensions and shows effectiveness and reliability, offering a new paradigm for dynamic benchmarking of multimodal intelligence.

Han Bao, Yue Huang, Yan-Bo Wang et al. · 0 citations

DOG-DPO:Dynamic Optimization in Geometry for Safety Alignment

DOG-DPO is proposed, a training-free data selection framework that treats preference pairs as structured geometric signals and recovers most of the safety gains of full-data training while remaining entirely teacher-free, training-free, and substantially faster than representative selection baselines.

Yi Nian, Tiankai Yang, Yudi Zhang et al. · 1 citation

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