activity
20102026
most citedThe COVID-19 Social Media Infodemic

1.7k citations · 5.1k across the 74 of their papers we have counts for

collaborators

83 papers

cs.SI2026

Platform Sorting Drives Ideological Fragmentation in the Social Media Ecosystem

Edoardo Di Martino, Alessandro Galeazzi, Matteo Cinelli +2

Ideological asymmetries in online political communication are often studied as localized phenomena emerging within communities. Here, we show that fragmentation instead operates at…

cs.SI2026

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…

cs.CL2026

The Statistical Signature of LLMs

Ortal Hadad, Edoardo Loru, Jacopo Nudo +3

Large language models generate text through probabilistic sampling from high-dimensional distributions, yet how this process reshapes the structural statistical organization of lan…

cs.CY2026

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…

cs.SI2025

Patterns, Models, and Challenges in Online Social Media: A Survey

Niccolò Di Marco, Anita Bonetti, Edoardo Di Martino +10

The rise of digital platforms has enabled the large scale observation of individual and collective behavior through high resolution interaction data. This development has opened ne…

cs.HC2025★ 1 cited

Generative Exaggeration in LLM Social Agents: Consistency, Bias, and Toxicity

Jacopo Nudo, Mario Edoardo Pandolfo, Edoardo Loru +3

We investigate how Large Language Models (LLMs) behave when simulating political discourse on social media. Leveraging 21 million interactions on X during the 2024 U.S. presidentia…