A new public dataset of four million Telegram messages from prominent Brazilian anti-vaccine channels (2020-2025) is released with content, metadata, media, and classifications for misinformation research.
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In interviews with 11 Portuguese-language model developers, four AI ethics tools guided general ethical reflection but failed to surface Portuguese-specific harms like cultural misrepresentation and low language performance.
citing papers explorer
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Brazilian Social Media Anti-vaccine Information Disorder Dataset -- Telegram (2020-2025)
A new public dataset of four million Telegram messages from prominent Brazilian anti-vaccine channels (2020-2025) is released with content, metadata, media, and classifications for misinformation research.
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Evaluation of AI Ethics Tools in Language Models: A Developers' Perspective Case Study
In interviews with 11 Portuguese-language model developers, four AI ethics tools guided general ethical reflection but failed to surface Portuguese-specific harms like cultural misrepresentation and low language performance.