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Sponsored Artificial Intelligence: A Modern Approach, Global Edition Artificial Intelligence: A Modern Approach, Global Edition

Author

Xinyi Zhang

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Preprint Aug 2026

Noise-Aware Shrinkage for Differentially Private Zeroth-Order Fine-Tuning of Large Language Models

SAGE is proposed, a noise-aware shrinkage method that adaptively attenuates privatized estimates according to their estimated signal quality, and shows that shrinkage reduces the quadratic update-risk term faster than the linear descent term, preserving useful descent while limiting the influence of noise-dominated upd...

Le-Le Zheng, Wei-Feng Kong, Xinyi Zhang et al. · 0 citations
Open access Aug 2026

Security Analysis of IoT Traffic Classification Systems Under Adversarial Machine Learning Attacks

A constraint-aware adversarially robust Internet of Things (IoT) traffic classification system with protocol validity, device behavior consistency, and manifold-aware training and evaluation is presented, demonstrating improved robustness, realism, and deployability compared to existing approaches.

Chen-Xuan Li, Xinyi Zhang · 0 citations

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