Stance detection on social media is an emerging opinion mining paradigm for various social
and political applications in which sentiment analysis may be sub-optimal. There has been a …

Social media are often accused of worsening the quality of online debate. In this paper, we
focus on group polarization in the context of social media-enabled interaction, a …

A Conversational Recommender System (CRS) offers increased transparency and control to
users by enabling them to engage with the system through a real-time multi-turn dialogue …

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 combine eight previously proposed measures to construct an index of political
polarization among US adults. We find that polarization has increased the most among the …

Filter bubbles and echo chambers have both been linked recently by commentators to rapid
societal changes such as Brexit and the polarization of the US American society in the …

Which topics spark the most heated debates on social media? Identifying those topics is not
only interesting from a societal point of view but also allows the filtering and aggregation of …

There is considerable disagreement among scholars as to whether social media fuels
polarization in society. However, a few have considered the possibility that polarization may …

Homophily-our tendency to surround ourselves with others who share our perspectives and
opinions about the world-is both a part of human nature and an organizing principle …

Vaccine hesitancy has been a growing public health issue, but during COVID-19,
understanding vaccine hesitancy and promote vaccine favorability takes on a troubling …