Rethinking Multimodal Fake News Detection in the Generative AI Era
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Computer Science > Computation and Language
arXiv:2609.36850 (cs)
[Submitted on 29 Sep 2026]
Title:Rethinking Multimodal Fake News Detection in the Generative AI Era
View a PDF of the paper titled Rethinking Multimodal Fake News Detection in the Generative AI Era, by Wenbin Shen and 5 other authors
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Abstract:Generative content is increasingly entering the production and dissemination of news, transforming fake news from manually fabricated or simply manipulated material into complex forms in which native and generated content jointly participate. Existing multimodal fake news detection research primarily focuses on veracity assessment and rarely characterizes how generativity differences affect the reliability of evidence. In contrast, AIGC detection primarily determines whether content is generated or modified by generative models, but it does not by itself establish whether the underlying news event is true. To bridge the separation between these tasks in data and evaluation, we construct Weibo26, a multimodal fake news detection dataset for generative-content scenarios. On this basis, we propose the Generativity-Aware Hierarchical Reasoning (GAHR) framework, which combines global judgment with local correction so that generativity information participates in news-veracity reasoning. Experiments on multiple existing fake news detection benchmarks and Weibo26 show that GAHR achieves competitive veracity-detection performance while effectively identifying generative content.
| Subjects: | Computation and Language (cs.CL); Computer Vision and Pattern Recognition (cs.CV); Multimedia (cs.MM) |
| Cite as: | arXiv:2609.36850 [cs.CL] |
| (or arXiv:2609.36850v1 [cs.CL] for this version) | |
| https://doi.org/10.48550/arXiv.2609.36850
arXiv-issued DOI via DataCite (pending registration)
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