Cross-Lingual Cross-Platform Rumor Verification Pivoting on Multimedia Content
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With the increasing popularity of smart devices, rumors with multimedia content become more and more common on social networks. The multimedia information usually makes rumors look more convincing. Therefore, finding an automatic approach to verify rumors with multimedia content is a pressing task. Previous rumor verification research only utilizes multimedia as input features. We propose to not use the multimedia content but to find external information in other news platforms pivoting on it. We then propose a new features set, cross-lingual cross-platform features that leverage the semantic similarity between the rumors and the external information. Machine learning methods utilizing such features achieved the state-of-the-art rumor verification results.
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