11 citations · 14 across the 7 of their papers we have counts for
3 papers · 1 filter
WhatsApp Vaccine Discourse (WhaVax): An Expert-Annotated Dataset and Benchmark for Health Misinformation Detection
Jônatas H. dos Santos, Julio C. S. Reis, Philipe Melo +9
We introduce WhaVax, a new expert-annotated dataset of vaccine-related WhatsApp messages collected from large Brazilian public groups spanning multiple pandemic years. The dataset…
A Sticker is Worth a Thousand Words: Characterizing the Use of Stickers in WhatsApp Political Groups in Brazil
Philipe Melo, João M. M. Couto, Daniel Kansaon +3
With the increasing use of smartphones, instant messaging platforms turned into important communication tools. According to WhatsApp, more than 100 billion messages are sent each d…
Inside the Right-Leaning Echo Chambers: Characterizing Gab, an Unmoderated Social System
Lucas Lima, Julio C. S. Reis, Philipe Melo +4
The moderation of content in many social media systems, such as Twitter and Facebook, motivated the emergence of a new social network system that promotes free speech, named Gab. S…