12 papers
Gender-based discrepancies in the algorithmic delivery of political ads on social media
Dominik Bär, Francesco Corso, Gianmarco De Francisci Morales +2
Social media has become a key channel for political advertising during election campaigns. However, algorithmic biases in the delivery of these ads may distort the public's exposur…
P1SCO: Social Dimensions from a Perspectivist Lens
Amanda Cercas Curry, Gianmarco de Francisci Morales, Luca Maria Aiello
We introduce P1SCO, a dataset of social media comments collected from three distinct platforms, annotated according to ten social dimensions to capture the diversity of social inte…
Learning Perspectivist Social Meaning via Demographic-Conditioned Fusion Embeddings
Amanda Cercas Curry, Lucio La Cava, Luca Maria Aiello +1
Social meaning in language is inherently perspectival, varying across annotator backgrounds, demographics, and ideological positions. However, most NLP systems collapse this variat…
Comparing Data Assimilation and Likelihood-Based Inference on Latent State Estimation in Agent-Based Models
Blas Kolic, Corrado Monti, Gianmarco De Francisci Morales +1
In this paper, we present the first systematic comparison of Data Assimilation (DA) and Likelihood-Based Inference (LBI) in the context of an Agent-Based Model (ABM). These models…
Among Us: Language of Conspiracy Theorists on Mainstream Reddit
Francesco Corso, Giuseppe Russo, Francesco Pierri +1
The interaction between fringe subcultures and mainstream online communities poses significant challenges for understanding discourse on social media. In this work, we investigate…
Conditional Publics: Shared Events and Divergent Meanings in the European Twitter Debate on the Ukraine War
Corrado Monti, Arthur Capozzi, Yelena Mejova +1
How do European publics debate a geopolitical crisis on social media, and do they inhabit a shared informational reality? We analyze over 38 million geolocated tweets from 20 Europ…