Ivan Srba

Research areas: data analysis, machine learning, data mining, social computing, collective intelligence, countering online misinformation

Position: Senior Researcher

Ivan has expertise in data analysis, machine learning and data mining, with a focus on data emerging from user behavior on social computing and collective intelligence systems, such as social networks, knowledge sharing systems and e-learning. His current primary research interest is in countering online disinformation and misinformation.

He has been involved in ten research projects and co-authored over 25 papers, one of which surveyed the methods used by community question answering systems and has received more than a hundred citations. His international research record includes projects with Harvard University and the University of Lugano, Switzerland. He is a member of Slovak.AI and a former member of the Datalys@PeWe research group. He regularly serves as a reviewer for international conferences and journals published by ACM, IEEE, Springer and Elsevier.

He has participated as a data scientist and project lead in many research and industry projects, including a recommender system for ZlavaDna, a smart parking system (zaparkuj.to) and a multibank application developed in co-operation with Unicorn and VUB (a Slovak commercial bank).

Selected achievements

  • Member of the excellence team PeWe of Slovak University of Technology in Bratislava, lead prof. Mária Bieliková
    2020, Slovak University of Technology
  • Award for Supervision of the Best Master Thesis
    Nov 2019, Tatra banka Foundation
  • Slovak Student Person of the Academic Year 2015/16 in Category Informatics, Mathematics and Physics
    Dec 2016, Junior Chamber International – Slovakia
  • Rector’s Award for Excellent Study Results during Doctoral Study
    Sep 2016, Slovak University of Technology
  • Rector’s Award for the Best Student of Doctoral Study for the Academic Years 2012/13, 2013/2014, 2014/2015
    Slovak University of Technology
  • Best Master Thesis Dean’s Award
    Nov 2012, Faculty of Informatics and Information Technologies, Slovak University of Technology
  • Rector’s Award for the Best Student of Master Study for the Academic Years 2010/11, 2011/12
    Slovak University of Technology

Professional Service

Reviewer for journals:

  • ACM Transactions on Information Systems (ACM)
  • Computer Science Review (Elsevier)
  • Technology, Knowledge and Learning (Springer)
  • Data Mining and Knowledge Discovery (Springer)
  • IEEE Transactions on Learning Technologies (IEEE)
  • Computers & Education (Elsevier)

Professional Societes

Misinformation Detection in Healthcare Domain

APVV SK-IL-RD-18-0004. 2018-2020, Partner: Bar Ilan University (prof. Sarit Kraus), Bielikova, M. – principal investigator

Automated Recognition of Antisocial Behaviour in Online Communities

APVV-17-0267. 2018-2020, Partners: Comenius University in Bratislava, Technical University in Kosice, Navrat, P. – principal investigator

Human Information Behavior in the Digital Space

APVV-15-0508. 2016-2020, Partner: Comenius University in Bratislava, Bielikova, M. – principal investigator

Innovative Methods of Education and Infrastructure for Informatics and Software Engineering

SCOPES program, Swiss National Science Foundation. 2015-2018, Bielikova, M. – principal investigator for FIIT STU

Selected Student Supervising


  • Matej Čief – Use of Semi-supervised Learning for Antisocial Behavior Detection. Defended 2021
  • Peter Mačinec – Fake News Detection Using Semi-supervised Learning. Defended 2021
  • Veronika Žatková – Health related fake news detection using data analysis and machine learning. Defended 2020
  • Štefancová Elena – Recommendation Taking the Time Aspects of Users and Items into Account. Defended 2019
  • Mačina Jakub – Recommendation of New Questions in Online Student Communities. Defended 2017
  • Grznár Marek – Adaptive Collaboration Support in Community Question Answering. Defended 2015


  • Mačinec Peter – Fake news detection using machine learning. Defended 2019
  • Babinec Peter – Automatic Tag Recommendation in CQA Systems. Defended 2017
  • Huňa Adrián – User Reputation in Community Question Answering. Defended 2015