activity
20082022
most citedBreaking the News: First Impressions Matter on Online News

111 citations · 323 across the 16 of their papers we have counts for

collaborators

21 papers

cs.CY202115 cited

On the Globalization of the QAnon Conspiracy Theory Through Telegram

Mohamad Hoseini, Philipe Melo, Fabricio Benevenuto +2

QAnon is a far-right conspiracy theory that became popular and mainstream over the past few years. Worryingly, the QAnon conspiracy theory has implications in the real world, with…

cs.SI2021

Characterizing (Un)moderated Textual Data in Social Systems

Lucas Henrique Costa de Lima, Julio Reis, Philipe Melo +2

Despite the valuable social interactions that online media promote, these systems provide space for speech that would be potentially detrimental to different groups of people. The…

cs.CY202011 cited

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…

cs.SI20202 cited

How Biased is the Population of Facebook Users? Comparing the Demographics of Facebook Users with Census Data to Generate Correction Factors

Filipe N. Ribeiro, Fabrício Benevenuto, Emilio Zagheni

Censuses around the world are key sources of data to guide government investments and public policies. However, these sources are very expensive to obtain and are collected relativ…

cs.SI2020

Neutrality May Matter: Sentiment Analysis in Reviews of Airbnb, Booking, and Couchsurfing in Brazil and USA

Gustavo Santos, Vinicius F. S. Mota, Fabricio Benevenuto +1

Information and communications technologies have enabled the rise of the phenomenon named sharing economy, which represents activities between people, coordinated by online platfor…

cs.CY2020

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…