Research Group
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
Master
- 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
Bachelor
- 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