Antoine Vendeville @avdeville
Post-doctoral researcher @medialab_ScPo. Opinion dynamics and social media. Previously @UCL. antoinevendeville.github.io Paris Joined November 2018-
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New paper out in Plos One ! By integrating group identities and affective polarization in opinion dynamics, we show that out-group intolerance is the main driver of ideological polarization. doi.org/10.1371/journa…
New X dataset is out ! A public database with measurements of multidimensional political opinions, activity and popularity for almost a million X users 🔥 Including politicians and media outlets 🌍 Preprint: hal.science/hal-05222448 Data: osf.io/at5q2/
Applications for #WWCS26 are officially OPEN! ❄️ Join us in Mallorca for an unforgettable edition. Apply now via the link in website 🌐
One year in the making, eight authors, a truly collaborative effort. It's been a lot of work, but we hope the community will like it. Comments welcome, RT appreciated!
"Opinion dynamics: Statistical physics and beyond" arxiv.org/abs/2507.11521 Review of lab experiments, data, models, analytical/computational tools. 93 pages, >1k references. With @ftw_baumann, @dgarcia_eu, @iniguezg, @MartonKarsai, @jalorenz, K. Sznajd-Weron. Led by @m_starnini
Yesterday, I had the pleasure of presenting my work on "Anytime-valid, Bayes-assisted, Prediction-Powered Inference" at the @NewtonInstitute. This collaborative work is gaining significant attention. The preprint is already available online: arxiv.org/abs/2505.18000.
Also featured in @PhysicsMagazine 😀 physics.aps.org/articles/v18/s…
I study a retweet network collected during the 2017 French presidential elections where accounts of political entities are fixed as reference points. I show that in its equilibrium state, the Voter Model correctly identifies ground-truth opinions of more than 92% of the users.
Happy to present my latest article in @PhysRevE ! In this paper, I show that the Voter Model can predict individual opinions in a large, heterogeneous online population. doi.org/10.1103/PhysRe…
Using a voter model to analyze a directed, weighted network of X reposts during the 2017 French presidential elections, this study finds correspondence between individual opinion distributions at equilibrium and ground-truth political leanings of users. go.aps.org/4411pwi
Last week I presented our (@GiulioRossetti) open #Bluesky dataset @NetSciConf. We release augmented, anonymized content and network data from 81% of users over a year. The #dataset is available at zenodo.org/records/146696… #networkscience #opendata #socialmedia #openscience
It turns out that the APS highlighted our work on echo chambers in signed networks almost a month ago, and I did not find out about this until today 🫢
A new study using models based on disease spread shows both positive and negative interactions can drive #EchoChamber formation — where people only hear ideas that reinforce their own beliefs. Read it in @PhysRevE: go.aps.org/42LtbOi
A new study using models based on disease spread shows both positive and negative interactions can drive #EchoChamber formation — where people only hear ideas that reinforce their own beliefs. Read it in @PhysRevE: go.aps.org/42LtbOi
Hiring a postdoc in higher-order social dynamics: we will be doing models AND experiments (!) 36k/year renewable up to 3 yrs. In Barcelona, of course ;) Please RT! upf.edu/web/wssc/postd…
Hey! Are you a "new" member of the Complex Systems/Network Science community? We present CORE an organization that gathers all the information you wish you knew when you started your journey. Seminars, schools, conferences... All in a single place! complexity-core.github.io
🌐 Don't miss the opportunity to submit your abstract at CCS25!
Happyly co-chairing 2 organised sessions with @TVGsociologist at the #Sunbelt2025 conference @SocNetAnalysts in Paris June 23-29 Our sessions are "Elite Networks" and "Network approaches to political dynamics". Only 4 days left to submit an abstract! sunbelt2025.org
The elections have closed, the votes have been counted, and the new members are... 🥁🥁 @MarikaSa_ , Yasaman Asgari and Miguel A. González-Casado! We are excited to work with you the coming year! 🎉
🚨 New paper alert! 🚨 How do echo chambers form in signed networks? 🤔 A new study by @avdeville and myself explores the role of structural balance in shaping information flows and inducing echo chambers. 🧵👇
Super proud of this work ! I show that the ubiquitous voter model can effectively predict individual opinions of Twitter users 😎 This marks a new step in the study of the empirical validity of theoretical models for opinion dynamics ! arxiv.org/abs/2501.13215
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