882 citations · 1.2k across the 13 of their papers we have counts for
8 papers · 1 filter
Are Anti-Feminist Communities Gateways to the Far Right? Evidence from Reddit and YouTube
Robin Mamié, Manoel Horta Ribeiro, Robert West
Researchers have suggested that "the Manosphere," a conglomerate of men-centered online communities, may serve as a gateway to far right movements. In that context, this paper quan…
Volunteer contributions to Wikipedia increased during COVID-19 mobility restrictions
Thorsten Ruprechter, Manoel Horta Ribeiro, Tiago Santos +4
Wikipedia, the largest encyclopedia ever created, is a global initiative driven by volunteer contributions. When the COVID-19 pandemic broke out and mobility restrictions ensued ac…
Do Platform Migrations Compromise Content Moderation? Evidence from r/The_Donald and r/Incels
Manoel Horta Ribeiro, Shagun Jhaver, Savvas Zannettou +4
When toxic online communities on mainstream platforms face moderation measures, such as bans, they may migrate to other platforms with laxer policies or set up their own dedicated…
Sudden Attention Shifts on Wikipedia During the COVID-19 Crisis
Manoel Horta Ribeiro, Kristina Gligorić, Maxime Peyrard +3
We study how the COVID-19 pandemic, alongside the severe mobility restrictions that ensued, has impacted information access on Wikipedia, the world's largest online encyclopedia. A…
The Evolution of the Manosphere Across the Web
Manoel Horta Ribeiro, Jeremy Blackburn, Barry Bradlyn +5
In this paper, we present a large-scale characterization of the Manosphere, a conglomerate of Web-based misogynist movements roughly focused on "men's issues," which has seen signi…
Auditing Radicalization Pathways on YouTube
Manoel Horta Ribeiro, Raphael Ottoni, Robert West +2
Non-profits, as well as the media, have hypothesized the existence of a radicalization pipeline on YouTube, claiming that users systematically progress towards more extreme content…
Characterizing and Detecting Hateful Users on Twitter
Manoel Horta Ribeiro, Pedro H. Calais, Yuri A. Santos +2
Most current approaches to characterize and detect hate speech focus on \textit{content} posted in Online Social Networks. They face shortcomings to collect and annotate hateful sp…
Portinari: A Data Exploration Tool to Personalize Cervical Cancer Screening
Sagar Sen, Manoel Horta Ribeiro, Raquel C. de Melo Minardi +2
Socio-technical systems play an important role in public health screening programs to prevent cancer. Cervical cancer incidence has significantly decreased in countries that develo…