activity
20242026
collaborators

8 papers

cs.CL2026

Understanding Machine Taste: Aesthetic Agreement Across Foundation Models in K-pop

Kaishen Wang, Yucheng Pan, Xuehao Cui +2

As foundation models enter creative industries, understanding their aesthetic preferences becomes an important step toward AI-assisted creative decision making. In this work, we in…

cs.CR2026

TTMark: Pairwise Distortion-Free Watermarking Beyond Single-Token Entropy

Ruibo Chen, Zhengmian Hu, Donghang Lu +5

Distortion-free watermarking enables reliable attribution of machine-generated text while preserving output distribution. However, existing methods operate independently on each ge…

cs.CL2026

Mitigating Factual Hallucination in Large Reasoning Models via Mixed-Mode Advantage Regularization

Kaishen Wang, Tong Zheng, Xuehao Cui +3

Large reasoning models (LRMs) improve language model capabilities by generating explicit thinking traces before final answers. In factuality-oriented question answering (QA), such…

cs.CR2026

MCMark: Distortion-Free Multi-Bit Watermarking for Long Messages

Xuehao Cui, Ruibo Chen, Yihan Wu +1

Large language models now produce text indistinguishable from human writing, which increases the need for reliable provenance tracing. Multi-bit watermarking can embed identifiers…

cs.CR2026

More Haste, Less Speed: Weaker Single-Layer Watermark Improves Distortion-Free Watermark Ensembles

Ruibo Chen, Yihan Wu, Xuehao Cui +2

Watermarking has emerged as a crucial technique for detecting and attributing content generated by large language models. While recent advancements have utilized watermark ensemble…

cs.CR2025

Analyzing and Evaluating Unbiased Language Model Watermark

Yihan Wu, Xuehao Cui, Ruibo Chen +1

Verifying the authenticity of AI-generated text has become increasingly important with the rapid advancement of large language models, and unbiased watermarking has emerged as a pr…

cs.CV2025

A Watermark for Auto-Regressive Image Generation Models

Yihan Wu, Xuehao Cui, Ruibo Chen +2

The rapid evolution of image generation models has revolutionized visual content creation, enabling the synthesis of highly realistic and contextually accurate images for diverse a…

cs.LG2024

On the Impact of Feature Heterophily on Link Prediction with Graph Neural Networks

Jiong Zhu, Gaotang Li, Yao-An Yang +3

Heterophily, or the tendency of connected nodes in networks to have different class labels or dissimilar features, has been identified as challenging for many Graph Neural Network…