activity
20142018
most citedUsers Polarization on Facebook and Youtube

284 citations · 860 across the 10 of their papers we have counts for

collaborators

14 papers

cs.SI2018★ 12 cited

PopRank: Ranking pages' impact and users' engagement on Facebook

Andrea Zaccaria, Michela del Vicario, Walter Quattrociocchi +2

Users online tend to acquire information adhering to their system of beliefs and to ignore dissenting information. Such dynamics might affect page popularity. In this paper we intr…

cs.SI2018★ 60 cited

Polarization and Fake News: Early Warning of Potential Misinformation Targets

Michela Del Vicario, Walter Quattrociocchi, Antonio Scala +1

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 ta…

cs.SI2017★ 11 cited

Public discourse and news consumption on online social media: A quantitative, cross-platform analysis of the Italian Referendum

Michela Del Vicario, Sabrina Gaito, Walter Quattrociocchi +2

The rising attention to the spreading of fake news and unsubstantiated rumors on online social media and the pivotal role played by confirmation bias led researchers to investigate…

cs.SI2016★ 5 cited

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…

physics.soc-ph2016

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.…

physics.soc-ph2016

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…

cs.SI2016★ 284 cited

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 (…

cs.CY2015★ 26 cited

Debunking in a World of Tribes

Fabiana Zollo, Alessandro Bessi, Michela Del Vicario +5

Recently a simple military exercise on the Internet was perceived as the beginning of a new civil war in the US. Social media aggregate people around common interests eliciting a c…

cs.CY2015★ 39 cited

Echo chambers in the age of misinformation

Michela Del Vicario, Alessandro Bessi, Fabiana Zollo +5

The wide availability of user-provided content in online social media facilitates the aggregation of people around common interests, worldviews, and narratives. Despite the enthusi…

cs.SI2015★ 283 cited

Emotional Dynamics in the Age of Misinformation

Fabiana Zollo, Petra Kralj Novak, Michela Del Vicario +5

According to the World Economic Forum, the diffusion of unsubstantiated rumors on online social media is one of the main threats for our society. The disintermediated paradigm of c…

cs.SI2015★ 128 cited

Trend of Narratives in the Age of Misinformation

Alessandro Bessi, Fabiana Zollo, Michela Del Vicario +3

Social media enabled a direct path from producer to consumer of contents changing the way users get informed, debate, and shape their worldviews. Such a {\em disintermediation} wea…

cs.SI2015

Everyday the Same Picture: Popularity and Content Diversity

Alessandro Bessi, Fabiana Zollo, Michela Del Vicario +4

Facebook is flooded by diverse and heterogeneous content, from kittens up to music and news, passing through satirical and funny stories. Each piece of that corpus reflects the het…

cs.SI2015

Structural Patterns of the Occupy Movement on Facebook

Michela Del Vicario, Qian Zhang, Alessandro Bessi +4

In this work we study a peculiar example of social organization on Facebook: the Occupy Movement -- i.e., an international protest movement against social and economic inequality o…

cs.SI2014★ 12 cited

Social determinants of content selection in the age of (mis)information

Alessandro Bessi, Guido Caldarelli, Michela Del Vicario +2

Despite the enthusiastic rhetoric about the so called \emph{collective intelligence}, conspiracy theories -- e.g. global warming induced by chemtrails or the link between vaccines…