# Aleksandar Tomasevic > Data Scientist and Applied AI Researcher based in Novi Sad, Serbia. Current roles: Senior Research Associate, Scientific Computing Laboratory at Institute of Physics Belgrade; Assistant Professor / Research Associate at University of Novi Sad. Primary topics: Online-community analysis, Machine learning, Natural language processing, Text classification, Sentiment analysis, Toxicity analysis. ## Identity - Canonical name: Aleksandar Tomašević - Alternate spelling: Aleksandar Tomasevic - Website: https://atomasevic.com - Location: Novi Sad, Serbia ## Current Roles - Senior Research Associate, Scientific Computing Laboratory, Institute of Physics Belgrade (Belgrade / Serbia) | 2025-07-01 to present - Assistant Professor / Research Associate, University of Novi Sad (Novi Sad / Serbia) | 2016-02-01 to present ## Focus Areas - Online-community analysis - Machine learning - Natural language processing - Text classification - Sentiment analysis - Toxicity analysis - Emotion recognition - LLM systems - Agent simulation - Python - R - PostgreSQL - Docker - Transformer models - Scientific computing - Reproducible workflows ## Selected Projects - **YSocial Multi-Agent Social Platform Simulation** (2025-09-01 to present): Built and evaluated components of an LLM-powered social media twin spanning microblogging and forum-style simulations for trust, toxicity, and conversation-quality research. - **MADOC Dataset and Tools** (2025-01-01 to present): Built a research dataset and tooling stack for large-scale online-community analysis, with emphasis on reproducible ingestion, cleaning, and downstream modeling workflows. [Link](https://zenodo.org/records/14637314) - **transforEmotion R package** (2023-10-01 to present): Built an R package with a Python backend for multimodal emotion recognition across text, image, and video, with more than 9k CRAN installs. [Link](https://github.com/atomashevic/transforEmotion) - **COVID-19 Data Analysis and Visualization Platform** (2020-04-01 to 2020-06-30): Engineered R data pipelines to clean, analyze, and visualize epidemiological data from multiple sources. [Link](https://scienceversuscorona.shinyapps.io/covid-overview/) ## Site Pages - [Home](https://atomasevic.com/) - [Publications](https://atomasevic.com/publications.html) - [Software](https://atomasevic.com/software.html) - [Talks](https://atomasevic.com/talks.html) - [Updates](https://atomasevic.com/updates.html) - [CV PDF](https://atomasevic.com/cv.pdf) ## Machine-Readable Data - [Source YAML](https://atomasevic.com/cv.yml) - [Full LLM profile](https://atomasevic.com/llms-full.txt) - [Structured CV JSON](https://atomasevic.com/cv.json) - [Person JSON-LD](https://atomasevic.com/person.jsonld) ## Profiles - [GitHub (atomashevic)](https://github.com/atomashevic) - [LinkedIn (atomasevic)](https://www.linkedin.com/in/atomasevic/) - [X (atomasevic)](https://twitter.com/atomasevic)