147 citations · 405 across the 25 of their papers we have counts for
8 papers · 1 filter
On Microtargeting Socially Divisive Ads: A Case Study of Russia-Linked Ad Campaigns on Facebook
Filipe N. Ribeiro, Koustuv Saha, Mahmoudreza Babaei +6
Targeted advertising is meant to improve the efficiency of matching advertisers to their customers. However, targeted advertising can also be abused by malicious advertisers to eff…
Characterizing Interconnections and Linguistic Patterns in Twitter
Johnnatan Messias
Social media is considered a democratic space in which people connect and interact with each other regardless of their gender, race, or any other demographic aspect. Despite numero…
White, Man, and Highly Followed: Gender and Race Inequalities in Twitter
Johnnatan Messias, Pantelis Vikatos, Fabricio Benevenuto
Social media is considered a democratic space in which people connect and interact with each other regardless of their gender, race, or any other demographic factor. Despite numero…
Demographics of News Sharing in the U.S. Twittersphere
Julio C. S. Reis, Haewoon Kwak, Jisun An +2
The widespread adoption and dissemination of online news through social media systems have been revolutionizing many segments of our society and ultimately our daily lives. In thes…
Linguistic Diversities of Demographic Groups in Twitter
Pantelis Vikatos, Johnnatan Messias, Manoel Miranda +1
The massive popularity of online social media provides a unique opportunity for researchers to study the linguistic characteristics and patterns of user's interactions. In this pap…
Quantifying Search Bias: Investigating Sources of Bias for Political Searches in Social Media
Juhi Kulshrestha, Motahhare Eslami, Johnnatan Messias +4
Search systems in online social media sites are frequently used to find information about ongoing events and people. For topics with multiple competing perspectives, such as politi…
Who Makes Trends? Understanding Demographic Biases in Crowdsourced Recommendations
Abhijnan Chakraborty, Johnnatan Messias, Fabricio Benevenuto +3
Users of social media sites like Facebook and Twitter rely on crowdsourced content recommendation systems (e.g., Trending Topics) to retrieve important and useful information. Cont…
From Migration Corridors to Clusters: The Value of Google+ Data for Migration Studies
Johnnatan Messias, Fabricio Benevenuto, Ingmar Weber +1
Recently, there have been considerable efforts to use online data to investigate international migration. These efforts show that Web data are valuable for estimating migration rat…