466 citations
- Centre National de la Recherche ScientifiqueFR31 papers
- Laboratoire Matière et Systèmes ComplexesFR20 papers
- UMR Géographie-citésFR12 papers
- Centre d'Analyse et de Mathématique SocialesFR9 papers
- University College LondonGB9 papers
- Commissariat à l'Énergie Atomique et aux Énergies AlternativesFR8 papers
- CEA Paris-SaclayFR6 papers
- Service de Physique de l'État CondenséFR6 papers
- Centre de Recherche en Épistémologie AppliquéeFR5 papers
- École PolytechniqueFR5 papers
- École des hautes études en sciences socialesFR4 papers
- Institut d'Etudes Politiques de ParisFR4 papers
51 papers
Signed Networks: theory, methods, and applications
Fernando Diaz-Diaz, Elena Candellone, Miguel A. Gonzalez-Casado +4
Signed networks provide a principled framework for representing systems in which interactions are not merely present or absent but qualitatively distinct: friendly or antagonistic,…
Web Crawler Restrictions, AI Training Datasets \& Political Biases
Paul Bouchaud, Pedro Ramaciotti
Large language models rely on web-scraped text for training; concurrently, content creators are increasingly blocking AI crawlers to retain control over their data. We analyze craw…
Unveiling Political Influence Through Social Media: Network and Causal Dynamics in the 2022 French Presidential Election
Ixandra Achitouv, David Chavalarias
During the 2022 French presidential election, we collected daily Twitter messages on key topics posted by political candidates and their close networks. Using a data-driven approac…
Voter model can accurately predict individual opinions in online populations
Antoine Vendeville
Models of opinion dynamics describe how opinions are shaped in various environments. While these models are able to replicate general opinion distributions observed in real-world s…
Expressing One's Identity Online: Left-Right and cross EU-country variation in self-representation in social media
Carlo Romano Marcello Alessandro Santagiustina, Jean-Philippe Cointet, Pedro Ramaciotti Morales
We examine how social media users from eight European Union (EU) member states express their socio-political identities, focusing on users' online self-presentation and group ident…
Signal inference in financial stock return correlations through phase-ordering kinetics in the quenched regime
Ixandra Achitouv, Vincent Lahoche, Dine Ousmane Samary
Financial stock return correlations have been analyzed through the lens of random matrix theory to differentiate the underlying signal from spurious correlations. The continuous sp…