19 citations · 24 across the 10 of their papers we have counts for
11 papers
Out-of-Network Attention Dynamics on Bluesky
Andrea Failla, Veronica Mesina, Giulio Rossetti
Personalized social media commonly relies on explicit follow graphs to shape what content users encounter; yet how much attention crosses ties they have not formed remains largely…
Structure, Topics, and Diffusion Effects of Bluesky Starter Packs
Andrea Failla, Vander Freitas, Giulio Rossetti +1
User discovery is a central challenge in online social platforms, particularly during onboarding. Bluesky, a decentralized microblogging platform built on the AT Protocol, introduc…
Social Simulations: from Agent-Based Modeling to Digital Twins
Erica Cau, Andrea Failla, Valentina Pansanella +1
This book chapter covers the evolution of social simulation from classical agent-based models, in which agents interact according to explicitly defined behavioral rules, to AI-enha…
Joint Effects of Recommender Systems and Network Structure on the Visibility of Content and Creators
Virginia Morini, Valentina Pansanella, Luca Pappalardo +2
Social media algorithms allocate users' visibility by ranking content within their social networks. Yet, how recommendation logic and network structure jointly shape visibility acr…
Low-Vocality Engagement Shapes Online Participation
Veronica Mesina, Andrea Failla, Luca Pappalardo +1
Online participation is often measured through visible expression, especially posting, yet many consequential forms of engagement occur through less vocal actions such as liking an…
Quantifying opinion homophily in online social networks: A bounded confidence perspective
Yangyang Luan, Camilla Ancona, Carmela Bernardo +6
The concept of homophily is pervasive in online social media. While many empirical studies have relied on external sociodemographic traits to investigate it, significantly less is…
Collective Opinion Dynamics in Structured LLM Populations
Erica Cau, Andrea Failla, Giulio Rossetti
Large Language Models are increasingly deployed as interacting agents in settings such as online platforms, recommendation systems, and multi-agent applications. Understanding the…
Characterizing User Archetypes and Discussions on Scored.co
Andrea Failla, Salvatore Citraro, Giulio Rossetti +1
In recent years, the proliferation of social platforms has drastically transformed the way individuals interact, organize, and share information. In this scenario, we experience an…
A survey on the impacts of recommender systems on users, items, and human-AI ecosystems
Luca Pappalardo, Salvatore Citraro, Giuliano Cornacchia +12
Recommendation systems and assistants (in short, recommenders) influence through online platforms most actions of our daily lives, suggesting items or providing solutions based on…
"I'm in the Bluesky Tonight": Insights from a Year Worth of Social Data
Andrea Failla, Giulio Rossetti
Pollution of online social spaces caused by rampaging d/misinformation is a growing societal concern. However, recent decisions to reduce access to social media APIs are causing a…
From Perils to Possibilities: Understanding how Human (and AI) Biases affect Online Fora
Virginia Morini, Valentina Pansanella, Katherine Abramski +4
Social media platforms are online fora where users engage in discussions, share content, and build connections. This review explores the dynamics of social interactions, user-gener…