Evidence polluted by generative AI degrades out-of-context multimodal misinformation detectors, and simple cross-modal CLIP-based reranking and reasoning largely restore accuracy.
Synthetic disinformation attacks on au- tomated fact verification systems
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Mitigating GenAI-powered Evidence Pollution for Out-of-Context Multimodal Misinformation Detection
Evidence polluted by generative AI degrades out-of-context multimodal misinformation detectors, and simple cross-modal CLIP-based reranking and reasoning largely restore accuracy.