Community Service
Evaluator for national funding agencies: Austria, Canada, Cyprus, Czech Republic, EU, Estonia, Georgia, Greece, Hong-Kong, Israel, Italy, Russia, Switzerland, UK.
Evaluator for departmental promotions and hirings: University of Alberta (Canada), CYENS Centre of Excellence, Cyprus University of Technology, European University Cyprus, Frederick University, University of Nicosia (Cyprus), Charles University (Czech Republic), University of Aalborg (Denmark), Al al-Bayt University (Jordan), Lebanese American University (Lebanon), American University of Ras Al Khaimah (UAE), City University of New York, Pennsylvania State University (USA), Bilkent University (Turkey).
Evaluator for: the Department of Computer Science of the University of Aalborg (Denmark), all the Departments of Computer Science of Lithuania, Computer Systems Program of Turiba University (Latvia).
Member of PhD examination committees at: University of Aalborg, University of Aarhus, University of Almeria, University of L'Aquila, University of Bozen-Bolzano, University of Coruna, École Polytechnique @ Paris, École Nationale Supérieure de Mécanique et d'Aérotechnique (ENSMA)@ Poitiers, University of Milano, University of Pau and Pays Adour, Poznan University of Technology, University of Sao Paolo, Ca' Foscari University of Venice.
Key co-organizer of the following major conferences (ranked in A and B categories of CORE Portal): ACIIDS'2024, DSAA'2023, IDEAS'2023, WISE'2022, ICCCI'2022, WISE'2021, SOFSEM'2020, WI'2019, IDEAS'2019, ICANN'2018, DASFAA'2018, TPDL'2017, ICCCI'2016, CAiSE'2014, ADBIS'2014, WISE'2014, WISE'2013, ICANN'2010, ADBIS'2009, ADBIS'2006, SSDBM'2004, SSTD'2003, ADBIS'2002.
Member of Editorial Boards: Digital (MDPI, Editor-in-Chief), The Computer Journal (Oxford University Press, Deputy Editor), SN Computer Science (Track Editor, Springer), The VLDB Journal (2011-2017, Springer), Information Systems (Elsevier), Expert Systems (Wiley), World Wide Web Journal (Springer), Data Science and Analytics (Springer), Frontiers in Big Data - Data Science (Frontiers), Frontiers in Research Metrics and Analytics (Frontiers), International Journal on Artificial Intelligence Tools (World Scientific), Computer Systems Science & Engineering (Tech Science Press), International Journal of Data Warehousing & Mining (IGI Global), International Journal of Knowledge-based Organizations (IGI Global), Journal of Information & Data Management (Brazil), Cybernetics & Information Technologies (Bulgaria), Karbala International Journal of Modern Science (Iraq), Computer Science & Information Systems (Serbia), Information Sciences & Technologies (ACM Slovakia).