Articles by Pedro Ramaciotti

April 24, 2026

Who reposts which media sources? And why this matters for understanding populist politics

Pedro Ramaciotti
In social media, while documenting what gets said is important, understanding who posts which sources to raise their visibility is also key. Katharina Tittel, William Allen, and Pedro Ramaciotti use immigration in France to show how far-right users of X cite sources strategically to achieve their goals
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photograph of Pedro Ramaciotti
Pedro Ramaciotti
Chair of AI in Social Sciences and Humanities, French National Research Center CNRS / Professor, Sciences Po Paris

Since receiving his PhD in Applied Mathematics from Ecole Polytechnique, Pedro has held positions at Sorbonne University and Sciences Po.

Today at CNRS-Sciences Po, he develops research projects at the intersection between sociology, political sciences, mathematics, and computer sciences, studying social platforms and AI systems, connecting research with regulatory applications.

His research interests include online political competition and behaviour, social platforms, and algorithms mediating the online domain.

He leads the European Polarisation Observatory, a European network for the interdisciplinary study of social media and AI, comprising Sciences Po, CNRS, INRIA, the London School of Economics, Bocconi University in Milan, the Central European University in Vienna, Hertie School in Berlin and SNSPA in Bucharest.

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The Loop

Cutting-edge analysis showcasing the work of the political science discipline at its best.
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THE EUROPEAN CONSORTIUM FOR POLITICAL RESEARCH
Advancing Political Science
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