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Pedro Pereira

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#artificial intelligence Preprint Sep 2026

Micro-Collaborative Poisoning: A Distributed Attack on RAG Systems

Retrieval-Augmented Generation (RAG) improves large language models by grounding outputs in external knowledge sources, but this dependency also creates a surface for poisoning attacks. This paper introduces Micro-Collaborative Poisoning, a distributed attack in which a false target claim is divided across multiple loc...

Pedro Pereira, Eva Maia, Isabel Praça · 0 citations

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