19 citations · 22 across the 12 of their papers we have counts for
15 papers
Incremental Retrieval-Augmented Generation for Human-in-the-Loop Decision Support
Federico Mazzoni, Andrea Failla
We introduce iRAG, a human-in-the-loop decision-support system combining Retrieval-Augmented Generation (RAG) with Hybrid Decision-Making. Unlike conventional RAG systems, relying…
Benchmarking System One Models in Online Moderation
Federico Mazzoni, Andrea Failla
Online moderation systems must apply changing platform policies, community rules, and prior decisions while producing decisions that can be audited and routed to human review. We e…
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…
A Decade of Climate Polarization on Brazilian YouTube using Language Models
Daniel Morais, Diego H. M. Magalhaes, Gabriel H. Silva +4
Online platforms have become arenas for the public contestation of climate change, shaping how scientific knowledge, denial, and uncertainty are expressed and disputed. Yet longitu…
The Brazilian Vaccination Debate on YouTube: Topics, Perspectives, and Engagement Dynamics
Matheus S. Azevedo, Geovana S. de Oliveira, Andrea Failla +4
Vaccination debates are central to online public health communication, as COVID-19 intensified disputes over scientific authority, institutional trust, and political identity. Yet…
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…
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…
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…
Y Social: an LLM-powered Social Media Digital Twin
Giulio Rossetti, Massimo Stella, Rémy Cazabet +7
In this paper we introduce Y, a new-generation digital twin designed to replicate an online social media platform. Digital twins are virtual replicas of physical systems that allow…
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…
"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…
Redefining Event Types and Group Evolution in Temporal Data
Andrea Failla, Rémy Cazabet, Giulio Rossetti +1
Groups -- such as clusters of points or communities of nodes -- are fundamental when addressing various data mining tasks. In temporal data, the predominant approach for characteri…
Attributed Stream Hypergraphs: temporal modeling of node-attributed high-order interactions
Andrea Failla, Salvatore Citraro, Giulio Rossetti
Recent advances in network science have resulted in two distinct research directions aimed at augmenting and enhancing representations for complex networks. The first direction, th…