Jelena Graovac
Head of Data Science and Associate Professor specializing in NLP
jelena
Belgrade, Serbia
Joined December 2025
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Summary
Jelena Graovac holds a prominent dual role, serving as the Head of Data Science at Connect The Dots and an Associate Professor at the Faculty of Mathematics, University of Belgrade. This highlights her ability to bridge advanced academic research with practical industry applications in data science and AI/ML. theorg+1
Her academic career at the University of Belgrade spans over two decades, progressing from Teaching Assistant to Assistant Professor and now Associate Professor. She earned her Ph.D., Master's, and Bachelor's degrees in Computer Science from the same institution, demonstrating deep-rooted expertise and commitment to her alma mater. theorg
Jelena is an active and highly cited researcher with a strong publication record, particularly in the areas of text mining, natural language processing, and sentiment polarity detection. Her Google Scholar profile lists an h-index of 8 and i10-index of 8, reflecting consistent contributions to the scientific community. google+2
Her industry experience includes roles at Connect The Dots, where she advanced from AI/ML Consultant to Senior Data Scientist and now Head of Data Science, showcasing leadership and growth in applying machine learning and AI. Additionally, her tenure as a Research & Development Engineer at RT-RK involved developing AI for emotion recognition and compiler development. theorg
Work
Education
Writing
Effective methods for email classification: Is it a business or personal email?
January 1, 2022Teaching graduate students how to review research articles and respond to reviewer comments
January 1, 2020ML-SPD: Machine Learning based Sentiment Polarity Detection
January 1, 2020NgramSPD: Exploring optimal n-gram model for sentiment polarity detection in different languages
January 1, 2019Hierarchical vs. flat n-gram-based text categorization: can we do better?
January 1, 2017Machine learning-based approach to help diagnosing Alzheimerās disease through spontaneous speech analysis
January 1, 2016Language independent n-gram-based text categorization with weighting factors: A case study
January 1, 2015Application of a Structural Support Vector Machine method to N-gram based text classification in Serbian
January 1, 2015Programiranje 2
January 1, 2015A variant of n-gram based language-independent text categorization
January 1, 2014Text categorization using n-gram based language independent technique
January 1, 2014Language-independent sentiment polarity detection in movie reviews: a case study of English and Spanish
January 1, 2014PRILOG METODAMA KLSIFIKACIJE TEKSTA: MATEMATIÄKI MODELI I PRIMENE
January 1, 2014Wordnet-Based Serbian Text Categorization
January 1, 2013Serbian Text Categorization Using Byte Level n-Grams
January 1, 2012Ontology-driven conceptual document classification
January 1, 2010Random k-gd-sat Model and its Phase Transition
January 1, 2007Statistical dependence of protein secondary structure on amino acid bigrams
January 1, 2006XML-based Format for Descriptions of Geometrical Constructions and Geometrical Proofs
January 1, 2006Phase Transition In Random SAT Problems
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