92 citations · 467 across the 19 of their papers we have counts for
20 papers
(De)-Indexing and the Right to be Forgotten
Salvatore Vilella, Giancarlo Ruffo
In the digital age, the challenge of forgetfulness has emerged as a significant concern, particularly regarding the management of personal data and its accessibility online. The ri…
Anomaly detection in cross-country money transfer temporal networks
Salvatore Vilella, Arthur Thomas Edward Capozzi Lupi, Marco Fornasiero +4
This paper explores anomaly detection through temporal network analysis. Unlike many conventional methods, relying on rule-based algorithms or general machine learning approaches,…
Analyzing and visualizing polarization and balance with signed networks: the U.S. Congress case study
Arthur Capozzi, Alfonso Semeraro, Giancarlo Ruffo
Signed networks and balance theory provide a natural setting for real-world scenarios that show polarization dynamics, positive/negative relationships, and political partisanship.…
Reconciling the Quality vs Popularity Dichotomy in Online Cultural Markets
Rossano Gaeta, Michele Garetto, Giancarlo Ruffo +1
We propose a simple model of an idealized online cultural market in which items, endowed with a hidden quality metric, are recommended to users by a ranking algorithm possibly…
Ensemble of Opinion Dynamics Models to Understand the Role of the Undecided in the Vaccination Debate
Jacopo Lenti, Giancarlo Ruffo
We present three models used to describe the recruitment of the undecided population by pro-vax and no-vax factions. Starting from real-world data of Facebook pages, we compare thr…
Writing about COVID-19 vaccines: Emotional profiling unravels how mainstream and alternative press framed AstraZeneca, Pfizer and vaccination campaigns
Alfonso Semeraro, Salvatore Vilella, Giancarlo Ruffo +1
Since their announcement in November 2020, COVID-19 vaccines were largely debated by the press and social media. With most studies focusing on COVID-19 disinformation in social med…
FakeNewsLab: Experimental Study on Biases and Pitfalls Preventing us from Distinguishing True from False News
Giancarlo Ruffo, Alfonso Semeraro
Misinformation posting and spreading in Social Media is ignited by personal decisions on the truthfulness of news that may cause wide and deep cascades at a large scale in a fracti…
Studying Fake News Spreading, Polarisation Dynamics, and Manipulation by Bots: a Tale of Networks and Language
Giancarlo Ruffo, Alfonso Semeraro, Anastasia Giachanou +1
With the explosive growth of online social media, the ancient problem of information disorders interfering with news diffusion has surfaced with a renewed intensity threatening our…
The Impact of Disinformation on a Controversial Debate on Social Media
Salvatore Vilella, Alfonso Semeraro, Daniela Paolotti +1
In this work we study how pervasive is the presence of disinformation in the Italian debate around immigration on Twitter and the role of automated accounts in the diffusion of suc…
PyPlutchik: visualising and comparing emotion-annotated corpora
Alfonso Semeraro, Salvatore Vilella, Giancarlo Ruffo
The increasing availability of textual corpora and data fetched from social networks is fuelling a huge production of works based on the model proposed by psychologist Robert Plutc…
#Brexit: Leave or Remain? The Role of User's Community and Diachronic Evolution on Stance Detection
Mirko Lai, Viviana Patti, Giancarlo Ruffo +1
Interest has grown around the classification of stance that users assume within online debates in recent years. Stance has been usually addressed by considering users posts in isol…
Visualizing structural balance in signed networks
Edoardo Galimberti, Chiara Madeddu, Francesco Bonchi +1
Network visualization has established as a key complement to network analysis since the large variety of existing network layouts are able to graphically highlight different proper…
Measuring Scientific Brain Drain with Hubs and Authorities: a Dual Perspective
Alessandra Urbinati, Edoardo Galimberti, Giancarlo Ruffo
In this work we study international migrations of researchers, scientists, and academics from a complex-network perspective to identify the central countries involved in the migrat…
News and the city: understanding online press consumption patterns through mobile data
Salvatore Vilella, Daniela Paolotti, Giancarlo Ruffo +1
The always increasing mobile connectivity affects every aspect of our daily lives, including how and when we keep ourselves informed and consult news media. By studying a DPI (deep…
Network segregation in a model of misinformation and fact checking
Marcella Tambuscio, Diego F. M. Oliveira, Giovanni Luca Ciampaglia +1
Misinformation under the form of rumor, hoaxes, and conspiracy theories spreads on social media at alarming rates. One hypothesis is that, since social media are shaped by homophil…
People are Strange when you're a Stranger: Impact and Influence of Bots on Social Networks
Luca Maria Aiello, Martina Deplano, Rossano Schifanella +1
Bots are, for many Web and social media users, the source of many dangerous attacks or the carrier of unwanted messages, such as spam. Nevertheless, crawlers and software agents ar…
On the Dynamics of Human Proximity for Data Diffusion in Ad-Hoc Networks
André Panisson, Alain Barrat, Ciro Cattuto +3
We report on a data-driven investigation aimed at understanding the dynamics of message spreading in a real-world dynamical network of human proximity. We use data collected by mea…
Tagging with DHARMA, a DHT-based Approach for Resource Mapping through Approximation
Luca Maria Aiello, Marco Milanesio, Giancarlo Ruffo +1
We introduce collaborative tagging and faceted search on structured P2P systems. Since a trivial and brute force mapping of an entire folksonomy over a DHT-based system may reduce…
Collaborative Filtering without Explicit Feedbacks for Digital Recorders
Alessandro Basso, Marco Milanesio, André Panisson +1
Recommendation is usually reduced to a prediction problem over the function that returns the expected rating of element for user . In the IPTV domain, we d…
Link creation and profile alignment in the aNobii social network
Luca Maria Aiello, Alain Barrat, Ciro Cattuto +2
The present work investigates the structural and dynamical properties of aNobii\footnote{http://www.anobii.com/}, a social bookmarking system designed for readers and book lovers.…