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Reposted by Pedro Ramaciotti

Sciences Po médialab @medialab-scpo.bsky.social · 24/03/2026

📣 Le projet SEPO de l'European Polarisation Observatory fait partie des quatre initiatives que @civica.bsky.social lancera en 2026 ! Ce projet est porté par @piotram.bsky.social, chercheur au médialab, et étudie l'impact des réseaux sociaux et de l'IA sur la démocratie européenne. En savoir plus 🔽

medialab.sciencespo.fr

L’European Polarisation Observatory (EPO) sélectionné parmi les grands pôles de recherche européens en 2026 | médialab Sciences Po

L’European Polarisation Observatory, dirigé par Pedro Ramaciotti Morales, chercheur associé au médialab, fait partie des quatre pôles de recherche lancés par CIVICA en 2026.

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Pedro Ramaciotti @piotram.bsky.social · 18/03/2026

The recommender algorithm in X inadvertently computes Left-Right positions of users This is the conclusion of our recent study with Paul Bouchaud, called “Recommender system in X inadvertently profiles ideological positions of users”. Link below.

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Reposted by Pedro Ramaciotti

Internet Policy Review @policyr.bsky.social · 03/03/2026

[New paper] Seeing in the dark: Towards a broad construction of the access to data provisions of the DSA, By Beatriz Botero Arcila, @sciencespo.bsky.social Law School, @piotram.bsky.social, @cnrs.fr, & Emma Cabale, ENS @univparissaclay.bsky.social policyreview.info/articles/ana... #DSA

Photo by amin bistoon on Unsplash. Free unsplash licence: https://unsplash.com/fr/photos/un-couloir-sombre-est-eclaire-par-des-lumieres-NYVxQP-LtM8?utm_source=unsplash&utm_medium=referral&utm_content=creditShareLink

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Pedro Ramaciotti @piotram.bsky.social · 20/12/2025

Seguimos con la publicación de los primeros análisis de los datos de la campaña presidencial chilena en X/Twitter bsky.app/profile/piot...

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Pedro Ramaciotti @piotram.bsky.social · 14/12/2025

TEASER: terminadas las elecciones publicaremos un análisis del X/Twitter chileno durante más de 30 semanas: posiciones ideológicas, preferencias de votos, atención, temas debatidos y más.

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Pedro Ramaciotti @piotram.bsky.social · 14/12/2025

En el Observatorio Europeo de la Polarización en París seguimos la elección chilena. Analizamos un panel de 2 millones de usuarios X/Twitter (aprox. 60% del total en Chile, y 50M posts) durante 30 semanas usando inferencia ideológica e IA (LLMs) para anotar sus preferencias.

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Reposted by Pedro Ramaciotti

Will Allen @williamlallen.bsky.social · 21/11/2025

Who shares which sources on social media, and why does this matter politically? Our open-access @polcommjournal.bsky.social article shows how far-right French Twitter/X users strategically post and cite sources to achieve their goals. doi.org/10.1080/1058... #polisky #commsky #migcitsky A 🧵:

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Reposted by Pedro Ramaciotti

Will Allen @williamlallen.bsky.social · 21/11/2025

Katharina Tittel, @piotram.bsky.social and I identified patterns of sources in French-language X immigration posts and the likely ideological leanings of posters. Far-right users uniquely flood feeds with hyper-partisan sources, but also post mainstream and public media like left/center users.

We document how much differnt types of Twitter/X users (from far-left to far-right) post different types of news sources on immigration. Far-right users are much more likely to share hyperpartisan sources, but they also share legacy and public broadcasting sources in similar or even greater proportions to left and center users.

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Reposted by Pedro Ramaciotti

Pedro Ramaciotti @piotram.bsky.social · 09/04/2025

Hiring a postdoc to work on social media auditing at the Complex Systems Institute of Paris. Great people, great data, in the best city, working on regulation-relevant problems. If you're strong in stats and big data, this is might be for you. Apply: emploi.cnrs.fr/Offres/CDD/U...

emploi.cnrs.fr

Portail Emploi CNRS - Offre d'emploi - Postdoc in Computer Sciences and Political Sciences (Social Media Auditing) H/F

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Pedro Ramaciotti @piotram.bsky.social · 09/04/2025

emploi.cnrs.fr

Portail Emploi CNRS - Offre d'emploi - Postdoc in Computer Sciences and Political Sciences (Social Media Auditing) H/F

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Pedro Ramaciotti @piotram.bsky.social · 28/11/2024

médialab Sciences Po is hiring to work at the European Polarisation Observatory. Internship positions to work on: new platform data (blue sky & mastodon), data visualization, dataset annotation, and LLMs. Apply before 14 Dec here: computational-sociopolitics.org/wp-content/u...

computational-sociopolitics.org

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Pedro Ramaciotti @piotram.bsky.social · 13/12/2023

Hiring a postdoc in computational social sciences @ SciencesPo Paris to work on a project about the impact of online activities in offline institutional politics. Details in the link

pedroramaciotti.github.io

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