activity
20172026
most citedThe spread of low-credibility content by social bots

1.1k citations · 2.5k across the 29 of their papers we have counts for

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14 papers · 1 filter

cs.SI2025★ 2 cited

DomainDemo: a dataset of domain-sharing activities among different demographic groups on Twitter

Kai-Cheng Yang, Pranav Goel, Alexi Quintana-Mathé +5

Social media play a pivotal role in disseminating web content, particularly during elections, yet our understanding of the association between demographic factors and information s…

cs.SI2024

Election Polls on Social Media: Prevalence, Biases, and Voter Fraud Beliefs

Stephen Scarano, Vijayalakshmi Vasudevan, Mattia Samory +3

Social media platforms allow users to create polls to gather public opinion on diverse topics. However, we know little about what such polls are used for and how reliable they are,…

cs.SI2023★ 2 cited

Social Bots: Detection and Challenges

Kai-Cheng Yang, Onur Varol, Alexander C. Nwala +4

While social media are a key source of data for computational social science, their ease of manipulation by malicious actors threatens the integrity of online information exchanges…

cs.SI2023★ 9 cited

A Multi-Platform Collection of Social Media Posts about the 2022 U.S. Midterm Elections

Rachith Aiyappa, Matthew R. DeVerna, Manita Pote +13

Social media are utilized by millions of citizens to discuss important political issues. Politicians use these platforms to connect with the public and broadcast policy positions.…

cs.SI2022★ 70 cited

One Year of COVID-19 Vaccine Misinformation on Twitter: Longitudinal Study

Francesco Pierri, Matthew R. DeVerna, Kai-Cheng Yang +3

Vaccinations play a critical role in mitigating the impact of COVID-19 and other diseases. This study explores COVID-19 vaccine misinformation circulating on Twitter during 2021, w…

cs.SI2022★ 160 cited

Botometer 101: Social bot practicum for computational social scientists

Kai-Cheng Yang, Emilio Ferrara, Filippo Menczer

Social bots have become an important component of online social media. Deceptive bots, in particular, can manipulate online discussions of important issues ranging from elections t…

cs.SI2021★ 2 cited

Online misinformation is linked to early COVID-19 vaccination hesitancy and refusal

Francesco Pierri, Brea Perry, Matthew R. DeVerna +4

Widespread uptake of vaccines is necessary to achieve herd immunity. However, uptake rates have varied across U.S. states during the first six months of the COVID-19 vaccination pr…

cs.SI2021

CoVaxxy: A Collection of English-language Twitter Posts About COVID-19 Vaccines

Matthew R. DeVerna, Francesco Pierri, Bao Tran Truong +7

With a substantial proportion of the population currently hesitant to take the COVID-19 vaccine, it is important that people have access to accurate information. However, there is…

cs.SI2020★ 8 cited

The COVID-19 Infodemic: Twitter versus Facebook

Kai-Cheng Yang, Francesco Pierri, Pik-Mai Hui +4

The global spread of the novel coronavirus is affected by the spread of related misinformation -- the so-called COVID-19 Infodemic -- that makes populations more vulnerable to the…

cs.SI2020★ 1 cited

The Manufacture of Partisan Echo Chambers by Follow Train Abuse on Twitter

Christopher Torres-Lugo, Kai-Cheng Yang, Filippo Menczer

A growing body of evidence points to critical vulnerabilities of social media, such as the emergence of partisan echo chambers and the viral spread of misinformation. We show that…

cs.SI2020★ 159 cited

Detection of Novel Social Bots by Ensembles of Specialized Classifiers

Mohsen Sayyadiharikandeh, Onur Varol, Kai-Cheng Yang +2

Malicious actors create inauthentic social media accounts controlled in part by algorithms, known as social bots, to disseminate misinformation and agitate online discussion. While…

cs.SI2020

Persona2vec: A Flexible Multi-role Representations Learning Framework for Graphs

Jisung Yoon, Kai-Cheng Yang, Woo-Sung Jung +1

Graph embedding techniques, which learn low-dimensional representations of a graph, are achieving state-of-the-art performance in many graph mining tasks. Most existing embedding a…

cs.SI2020★ 63 cited

Neutral bots probe political bias on social media

Wen Chen, Diogo Pacheco, Kai-Cheng Yang +1

Social media platforms attempting to curb abuse and misinformation have been accused of political bias. We deploy neutral social bots who start following different news sources on…

cs.SI2017★ 1.1k cited

The spread of low-credibility content by social bots

Chengcheng Shao, Giovanni Luca Ciampaglia, Onur Varol +3

The massive spread of digital misinformation has been identified as a major global risk and has been alleged to influence elections and threaten democracies. Communication, cogniti…