Policymakers, scholars, and practitioners have all called attention to the issue of
misinformation in the climate change debate. But what is climate change misinformation …

Repression research examines the causes and consequences of actions or policies that are
meant to, or actually do, raise the costs of activism, protest, and/or social movement activity …

Content on Twitter's home timeline is selected and ordered by personalization algorithms.
By consistently ranking certain content higher, these algorithms may amplify some …

Abstract The Russian invasion of Ukraine in February 2022 was accompanied by practices
of information warfare, yet existing evidence is largely anecdotal while large-scale empirical …

As of March 2021, the SARS-CoV-2 virus has been responsible for over 115 million cases of
COVID-19 worldwide, resulting in over 2.5 million deaths. As the virus spread exponentially …

Political astroturfing, a centrally coordinated disinformation campaign in which participants
pretend to be ordinary citizens acting independently, has the potential to influence electoral …

Online social media represent an oftentimes unique source of information, and having
access to reliable and unbiased content is crucial, especially during crises and contentious …

The problem of detecting bots, automated social media accounts governed by software but
disguising as human users, has strong implications. For example, bots have been used to …

We present a comprehensive overview of the challenges and opportunities in social bot
detection in the context of the rise of sophisticated AI-based chatbots. By examining the state …

Abstract On February 24, 2022, Russia invaded Ukraine. In the days that followed, reports
kept flooding in from laymen to news anchors of a conflict quickly escalating into war. Russia …