15 papers
Reddit's Globalization over Twenty Years: Inferring Community Time Zone from Activity Timestamps
Franco Della Negra, Mattia Samory, Matteo Cinelli
Online communities are a global phenomenon, but assessing their actual geographical spread requires accurate and scalable measurement. We propose and evaluate methods that infer th…
Hyperactive Minority Alters the Stability of Community Notes
Jacopo Nudo, Eugenio Nerio Nemmi, Edoardo Loru +3
As platforms increasingly scale down professional fact-checking, community-based alternatives are promoted as more transparent and democratic. The main substitute being proposed is…
Wikipedia and Grokipedia: A Comparison of Human and Generative Encyclopedias
Ortal Hadad, Edoardo Loru, Jacopo Nudo +3
We present a comparative analysis of Wikipedia and Grokipedia to examine how generative mediation alters content selection, textual rewriting, narrative structure, and evaluative f…
The simulation of judgment in LLMs
Edoardo Loru, Jacopo Nudo, Niccolò Di Marco +6
Large Language Models (LLMs) are increasingly embedded in evaluative processes, from information filtering to assessing and addressing knowledge gaps through explanation and credib…
Ideology and polarization set the agenda on social media
Edoardo Loru, Alessandro Galeazzi, Anita Bonetti +6
The abundance of information on social media has reshaped public discussions, shifting attention to the mechanisms that drive online discourse. This study analyzes large-scale Twit…
Modelling the Climate Change Debate in Italy through Information Supply and Demand
Irene Scalco, Giulia Colafrancesco, Matteo Cinelli
Climate change is one of the most critical challenges of the twenty-first century. Public understanding of climate issues and of the goals regarding the climate transition is essen…