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Yiwei Fu

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Book Open access Jul 2026

When Context Bites: Detecting RAG Poisoning via Document-Level Attention Collapse

D-SCAN (Document-level Signal Collapse Analysis), a lightweight detection framework that monitors attention dynamics to identify attacked generations and proposes D-SCAN, a lightweight detection framework that can detect attacks even when they fail to alter the final answer.

Yingtao Ren, Ziyi Zhao, Yiwei Fu et al. · 0 citations