• How do recommendation algorithms learn and exploit political preferences of social media users? Tim Faverjon. 2023 Arcom (French Social Media Regulator) Research Seminar. Paris. Nov 16, 2023.
• What data are needed to measure and monitor systemic risks linked to political segregation and misinformation in social media under DSA? Pedro Ramaciotti. 2023 Arcom (French Social Media Regulator) Research Seminar. Paris. Nov 16, 2023.
• Discovering ideological structures in representation learning spaces in recommender systems on social media data. Tim Faverjon. In 2023 IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining. Kusadasi, Turkey. Nov 6, 2023.
• Artificial Intelligence, social sciences, and the humanities. Journée de Prospectives of the National Institute for Social Sciences and the Humanities, CNRS (invited talk). Pedro Ramaciotti. Paris, France. September 26, 2023.
• The fight against misinformation and fostering healthy informational ecosystems online (invited talk). Pedro Ramaciotti. Fondation Universitaire de Bruxelles. Brussels, Belgium. September 19, 2023.
• Extreme swingers: explaining political preference change from far-left to far-right in Twitter users. Pedro Ramaciotti. International Conference on Computational Social Sciences (IC2S2). Copenhagen, Danemark. July 19, 2023.
• The geometry of misinformation: embedding twitter networks of users who spread fake news in geometrical opinion spaces. Pedro Ramaciotti. International Conference on Web and Social Media (ICWSM). Limassol, Cyprus. June 5, 2023.
• Pedro Ramaciotti CIVICA Excellency Tour. The geometry of misinformation: embedding twitter networks of users who spread fake news in geometrical opinion spaces.
  Università Bocconi. Milan, Italy. May 23, 2023.
  Hertie School. Berlin, Germany. May 24, 2023.
  SNSPA. Bucharest, Romania. May 26, 2023.
• Approches structurelles et politiques des circuits informationnelles des mouvements sociaux en ligne (Invited talk). Pedro Ramaciotti. Technologie de Compiègne. Paris, France, Mar 3, 2023.
• Misinformation in online multidimensional polarization settings (Invited talk). Pedro Ramaciotti. Technology, Democracy, and Cognition Group (TeDCog), University of Bristol. Feb 17, 2023.
• Manifold Culture: Studying Cultural Practices Using Geometrical Data Analysis (Invited talk). Benjamin Gilbert.  Massive Data Institute, Georgetown University. Washington DC, USA. Dec 12, 2022.
• Inferring attitudinal spaces in social networks (Invited talk). Pedro Ramaciotti.  Massive Data Institute, Georgetown University. Washington DC, USA. Dec 12, 2022.
• Social media opinion observatories (invited talk). Pedro Ramaciotti. CIVICA University Data Science Workshop. European University Institute. Florence, Italy. Oct 7, 2022.
• Embedding social graphs from multiple national settings in common empirical opinion spaces. Pedro Ramaciotti. In 2022 IEEE/ACM
  International Conference on Advances in Social Networks Analysis and Mining. Istambul, Turkey. Nov 11, 2022.
• Multidimensional online american politics: Mining emergent social cleavages in social graphs. In The 11th International Conference on
  Complex Networks and their Applications. Pedro Ramaciotti Morales. 11th International Conference on Complex Networks and their Applications. Palermo, Italy. Nov 8, 2022.
• Social media opinion observatories. Pedro Ramaciotti Morales. CIVICA Data Science Days. European University Institute, Florence, Italy. October 7, 2022.
• Text-free multi-issue attitude mining from social network graph data. Pedro Ramaciotti Morales. International Conference on Computational Social Sciences (IC2S2). Booth School of Business, University of Chicago, USA. July 22, 2022.
• Fake news diffusion in geometrical attitudinal spaces. Pedro Ramaciotti Morales. International Conference on Computational
  Social Sciences (IC2S2). Booth School of Business, University of Chicago, USA. July 20, 2022.
• Measuring the accuracy of social network ideological embeddings using language models. Pedro Ramaciotti Morales. International Conference on Information Technology & Systems (ICITS). San José, Costa Rica. February 9, 2022.

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