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Xinyu Ma

2 papers indexed

arxivcs.CRcs.LG2026-07-10

RaMark: Radioactive Watermarking for Generated Tabular Data

Xin Che, Lingyang Chu, Qiqi Zhang, Xinyu Ma, Xuan Luo, Jian Pei

Recent advances in generative modeling have made generated tabular data a practical solution for privacy-sensitive data sharing, where watermarking enables ownership verification. However, existing watermarking methods fundamentally fail under retraining attacks, in which an adve…

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arxivcs.AI2026-06-26

Search for Truth from Reasoning: A Dynamic Representation Editing Framework for Steering LLM Trajectories

Tianlong Wang, Yuhang Wang, Weibin Liao, Xin Gao, Xinyu Ma, Yang Lin, et al.

Current approaches to enhance Large Language Model (LLM) reasoning, such as Chain-of-Thought and "Wait" prompts, primarily encourage models to think more, yet often fail to guide them toward Truth. While Representation Editing (RepE) offers a intrinsic control, its application to…

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