11 papers · 1 filter
Annotation of Positive vs Negative User Interactions for Social Sign Prediction
Biancamaria Bombino, Chiara Boldrini, Andrea Passarella +1
Inferring the sign of social relationships from online interactions is a fundamental challenge in social network analysis. Existing approaches typically rely on sentiment analysis…
Layered Ego Networks in Email Communication: From Enron to the Jmail Archive
Francesco Di Cursi, Chiara Boldrini, Marco Conti +1
Email archives offer a rare view of social relationships through repeated communication, but it remains unclear how well classical ego network layering applies to digital interacti…
Cascade-driven opinion dynamics on social networks
Elisabetta Biondi, Chiara Boldrini, Andrea Passarella +1
Online social networks (OSNs) have transformed the way individuals fulfill their social needs and consume information. As OSNs become increasingly prominent sources for news dissem…
Sparing User Time with a Socially-Aware Independent Metaverse Avatar
Theofanis P. Raptis, Chiara Boldrini, Marco Conti +1
The Metaverse is redefining digital interactions by merging physical, virtual, and social dimensions, yet its effects on social networking remain largely unexplored. This work exam…
On the Joint Effect of Culture and Discussion Topics on X (Twitter) Signed Ego Networks
Jack Tacchi, Chiara Boldrini, Andrea Passarella +1
Humans are known to structure social relationships according to certain patterns, such as the Ego Network Model (ENM). These patterns result from our innate cognitive limits and ca…
The Impact of COVID-19 on Twitter Ego Networks: Structure, Sentiment, and Topics
Kamer Cekini, Elisabetta Biondi, Chiara Boldrini +2
Lockdown measures, implemented by governments during the initial phases of the COVID-19 pandemic to reduce physical contact and limit viral spread, imposed significant restrictions…