Liyan Xie
2 indexed papers
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226
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2026
Sequential Change Detection for Multiple Data Streams with Differential Privacy
The paper proposes DP-SUM-CUSUM, a differentially private method for detecting synchronized distributional changes across multiple data streams, explicitly characterizing the privacy-efficiency trade-off.
Masked Diffusion Modeling for Anomaly Detection
The paper proposes MaskDiff-AD, a forward-only masked diffusion model trained on nominal data to achieve state-of-the-art anomaly detection across various categorical, mixed-type, and text datasets.
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Papers
cs.LGcs.AIRecentMay 28, 2026
Masked Diffusion Modeling for Anomaly Detection
The paper proposes MaskDiff-AD, a forward-only masked diffusion model trained on nominal data to achieve state-of-the-art anomaly detection across various categorical, mixed-type, and text datasets.
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math.STcs.CRRecentApr 14, 2026