3 papers
cs.SI2025
Affective Polarization Amongst Swedish Politicians
François t'Serstevens, Roberto Cerina, Gustav Peper
This study investigates affective polarization among Swedish politicians on Twitter from 2021 to 2023, including the September 2022 parliamentary election. Analyzing over 25,000 tw…
stat.AP2025
PoSSUM: A Protocol for Surveying Social-media Users with Multimodal LLMs
Roberto Cerina
This paper introduces PoSSUM, an open-source protocol for unobtrusive polling of social-media users via multimodal Large Language Models (LLMs). PoSSUM leverages users' real-time p…
cs.CY2024
Fake News Detection via Wisdom of Synthetic & Representative Crowds
François t'Serstevens, Roberto Cerina, Giulia Piccillo
Social media companies have struggled to provide a democratically legitimate definition of "Fake News". Reliance on expert judgment has attracted criticism due to a general trust d…