662 citations · 8k across the 126 of their papers we have counts for
17 papers · 1 filter
Bow-Tie Structures of Twitter Discursive Communities
Mattia Mattei, Manuel Pratelli, Guido Caldarelli +2
In the analysis of Twitter debate, the recent literature focused on discursive communities, i.e. clusters of accounts interacting among themselves via retweets. In the present work…
Italian Twitter semantic network during the Covid-19 epidemic
Mattia Mattei, Guido Caldarelli, Tiziano Squartini +1
The Covid-19 pandemic has had a deep impact on the lives of the entire world population, inducing a participated societal debate. As in other contexts, the debate has been the subj…
Firms' Challenges and Social Responsibilities during Covid-19: a Twitter Analysis
Alessia Patuelli, Guido Caldarelli, Nicola Lattanzi +1
The Covid-19 pandemic caused disruptive effects for individuals, firms, and societies. In this paper, we offer insights on the major issues and challenges firms are facing in the C…
Why polls fail to predict elections
Zhenkun Zhou, Matteo Serafino, Luciano Cohan +2
In the past decade we have witnessed the failure of traditional polls in predicting presidential election outcomes across the world. To understand the reasons behind these failures…
Flow of online misinformation during the peak of the COVID-19 pandemic in Italy
Guido Caldarelli, Rocco de Nicola, Marinella Petrocchi +2
The COVID-19 pandemic has impacted on every human activity and, because of the urgency of finding the proper responses to such an unprecedented emergency, it generated a diffused s…
The role of bot squads in the political propaganda on Twitter
Guido Caldarelli, Rocco De Nicola, Fabio Del Vigna +2
Social Media are nowadays the privileged channel for information spreading and news checking. Unexpectedly for most of the users, automated accounts, also known as social bots, con…
Tackling information asymmetry in networks: a new entropy-based ranking index
Paolo Barucca, Guido Caldarelli, Tiziano Squartini
Information is a valuable asset for agents in socio-economic systems, a significant part of the information being entailed into the very network of connections between agents. The…
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…
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 (…
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…
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…
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…
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…
Viral Misinformation: The Role of Homophily and Polarization
Aris Anagnostopoulos, Alessandro Bessi, Guido Caldarelli +5
The spreading of unsubstantiated rumors on online social networks (OSN) either unintentionally or intentionally (e.g., for political reasons or even trolling) can have serious cons…
Reconstructing topological properties of complex networks using the fitness model
Giulio Cimini, Tiziano Squartini, Nicolò Musmeci +5
A major problem in the study of complex socioeconomic systems is represented by privacy issuesthat can put severe limitations on the amount of accessible information, forcing to…
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…
Science vs Conspiracy: collective narratives in the age of (mis)information
Alessandro Bessi, Mauro Coletto, George Alexandru Davidescu +3
The large availability of user provided contents on online social media facilitates people aggregation around common interests, worldviews and narratives. However, in spite of the…