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The Anatomy of Brexit Debate on Facebook
Michela Del Vicario, Fabiana Zollo, Guido Caldarelli +2
Nowadays users get informed and shape their opinion through social media. However, the disintermediated access to contents does not guarantee quality of information. Selective expo…
Modeling confirmation bias and polarization
Michela Del Vicario, Antonio Scala, Guido Caldarelli +2
Online users tend to select claims that adhere to their system of beliefs and to ignore dissenting information. Confirmation bias, indeed, plays a pivotal role in viral phenomena.…
Echo Chambers: Emotional Contagion and Group Polarization on Facebook
Michela Del Vicario, Gianna Vivaldo, Alessandro Bessi +4
Recent findings showed that users on Facebook tend to select information that adhere to their system of beliefs and to form polarized groups -- i.e., echo chambers. Such a tendency…
Users Polarization on Facebook and Youtube
Alessandro Bessi, Fabiana Zollo, Michela Del Vicario +5
On social media algorithms for content promotion, accounting for users preferences, might limit the exposure to unsolicited contents. In this work, we study how the same contents (…