I'm an Associate Research Professor at the Scientific Computing Laboratory of the Institute of Physics Belgrade.

I build tools and run simulations to understand how online communities form, fracture, and self-organize. I use LLM agents to recreate social dynamics at scale, then test interventions that would be impossible on live platforms. I also develop open-source packages for emotion recognition in text, images, and video.

PhD from the University of Novi Sad (2019) in quantitative methods and network science. Fulbright Scholar at the University of Virginia (2023–2024). Invited speaker at the International Meeting of the Psychometric Society. One of the developers of YSocial.

Erdős number 4: Paul Erdős → Béla Bollobás → Guido Caldarelli → Marija Mitrović Dankulov → Aleksandar Tomašević.

Aleksandar Tomašević

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2026

2025

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