11 citations · 14 across the 7 of their papers we have counts for
7 papers
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…
Finding Fake News Websites in the Wild
Leandro Araujo, Joao M. M. Couto, Luiz Felipe Nery +4
The battle against the spread of misinformation on the Internet is a daunting task faced by modern society. Fake news content is primarily distributed through digital platforms, wi…
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…
Helping Fact-Checkers Identify Fake News Stories Shared through Images on WhatsApp
Julio C. S. Reis, Philipe Melo, Fabiano Belém +3
WhatsApp has introduced a novel avenue for smartphone users to engage with and disseminate news stories. The convenience of forming interest-based groups and seamlessly sharing con…
Can WhatsApp Benefit from Debunked Fact-Checked Stories to Reduce Misinformation?
Julio C. S. Reis, Philipe de Freitas Melo, Kiran Garimella +1
WhatsApp was alleged to be widely used to spread misinformation and propaganda during elections in Brazil and India. Due to the private encrypted nature of the messages on WhatsApp…
A Dataset of Fact-Checked Images Shared on WhatsApp During the Brazilian and Indian Elections
Julio C. S. Reis, Philipe de Freitas Melo, Kiran Garimella +3
Recently, messaging applications, such as WhatsApp, have been reportedly abused by misinformation campaigns, especially in Brazil and India. A notable form of abuse in WhatsApp rel…
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…