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• W3099755344 abstract "Social media have been deliberately used for malicious purposes, including political manipulation and disinformation. Most research focuses on high-resource languages. However, malicious actors share content across countries and languages, including low-resource ones. Here, we investigate whether and to what extent malicious actors can be detected in low-resource language settings. We discovered that a high number of accounts posting in Tagalog were suspended as part of Twitter’s crackdown on interference operations after the 2016 US Presidential election. By combining text embedding and transfer learning, our framework can detect, with promising accuracy, malicious users posting in Tagalog without any prior knowledge or training on malicious content in that language. We first learn an embedding model for each language, namely a high-resource language (English) and a low-resource one (Tagalog), independently. Then, we learn a mapping between the two latent spaces to transfer the detection model. We demonstrate that the proposed approach significantly outperforms state-of-the-art models and yields marked advantages in settings with very limited training data—the norm when dealing with detecting malicious activity in online platforms." @default.
• W3099755344 created "2020-11-23" @default.
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• W3099755344 date "2023-04-30" @default.
• W3099755344 modified "2023-10-17" @default.
• W3099755344 title "Detecting Social Media Manipulation in Low-Resource Languages" @default.
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• W3099755344 doi "https://doi.org/10.1145/3543873.3587615" @default.
• W3099755344 hasPublicationYear "2023" @default.
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