activity
20202025
most citedUncovering the structure of the French media ecosystem

2 citations · 2 across the 4 of their papers we have counts for

collaborators

5 papers

cs.SI2025

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…

cs.SI2021★ 2 cited

Uncovering the structure of the French media ecosystem

Jean-Philippe Cointet, Dominique Cardon, Andreï Mogoutov +3

This study provides a large-scale mapping of the French media space using digital methods to estimate political polarization and to study information circuits. We collect data abou…

cs.SI2021

Your most telling friends: Propagating latent ideological features on Twitter using neighborhood coherence

Pedro Ramaciotti Morales, Jean-Philippe Cointet, Julio Laborde

Multidimensional scaling in networks allows for the discovery of latent information about their structure by embedding nodes in some feature space. Ideological scaling for users in…

cs.SI2020

Testing the Impact of Semantics and Structure on Recommendation Accuracy and Diversity

Pedro Ramaciotti Morales, Lionel Tabourier, Raphaël Fournier-S'niehotta

The Heterogeneous Information Network (HIN) formalism is very flexible and enables complex recommendations models. We evaluate the effect of different parts of a HIN on the accurac…

cs.AI2020

Measuring Diversity in Heterogeneous Information Networks

Pedro Ramaciotti Morales, Robin Lamarche-Perrin, Raphael Fournier-S'niehotta +3

Diversity is a concept relevant to numerous domains of research varying from ecology, to information theory, and to economics, to cite a few. It is a notion that is steadily gainin…