There have been growing concerns regarding the potential impact of social media on
democracy and public debate. While some theorists have claimed that ICTs and social …

The use of online social networks has made significant progress in recent years as the use
of the Internet has become widespread worldwide as the technological infrastructure and the …

Social media may limit the exposure to diverse perspectives and favor the formation of
groups of like-minded users framing and reinforcing a shared narrative, that is, echo …

Echo chambers and opinion polarization recently quantified in several sociopolitical
contexts and across different social media raise concerns on their potential impact on the …

Echo chambers, ie, situations where one is exposed only to opinions that agree with their
own, are an increasing concern for the political discourse in many democratic countries. This …

We present the results and the main findings of SemEval-2020 Task 11 on Detection of
Propaganda Techniques in News Articles. The task featured two subtasks. Subtask SI is …

An intensely debated topic is whether political polarization on social media is on the rise. We
can investigate this question only if we can quantify polarization, by taking into account how …

Users organize themselves into communities on web platforms. These communities can
interact with one another, often leading to conflicts and toxic interactions. However, little is …

Users' polarization and confirmation bias play a key role in misinformation spreading on
online social media. Our aim is to use this information to determine in advance potential …

Growing concern surrounds the impact of social media platforms on public discourse,,–and
their influence on social dynamics,,,–, especially in the context of toxicity,–. Here, to better …