Wei Sun
2 indexed papers
Recent (6 mo)
2With code
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226
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ML×1NLP×1Crypto×1Distributed×1
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2026
PCDM: A Diffusion-Based Data Poisoning Attack Against Federated Learning Systems
The paper proposes PCDM, a diffusion-based framework that enables highly stealthy and effective data poisoning attacks against Federated Learning systems, significantly degrading global performance while evading detection.
Measuring, Localizing, and Ablating Alignment Signatures in LLMs
The paper demonstrates that the AI-like style introduced by post-training alignment can be measured, localized, and causally removed using a novel ablation technique called PASTA.
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Papers
cs.LGcs.CLRecentMay 28, 2026
Measuring, Localizing, and Ablating Alignment Signatures in LLMs
Aniket Anand, Janvijay Singh, Zhewei Sun, Dilek Hakkani-Tür +1 more
The paper demonstrates that the AI-like style introduced by post-training alignment can be measured, localized, and causally removed using a novel ablation technique called PASTA.
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cs.CRcs.DCRecentMay 15, 2026