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Dr. Stefanos Vrochidis

Researcher B’

  • Dipl. Electrical & Computer Engineering
  • MSc in Radio Frequency Communication Systems
  • PhD, Interactive Video Retrieval Using Implicit User Feedback, Queen Mary University of London (2013)

Dr. Stefanos Vrochidis received the Diploma degree in Electrical Engineering from Aristotle University of Thessaloniki, Greece and the MSc degree in Radio Frequency Communication Systems from University of Southampton, in 2000 and 2001 respectively. He also holds a PhD degree on Interactive video retrieval using implicit user feedback, Queen Mary University of London (2013). He is a Senior Researcher (Grade Β’) at the Information Technologies Institute (ΙΤΙ) of the Centre for Research and Technology Hellas (CERTH).

He has participated in a number of EC-funded and National ICT projects (e.g. ELU, PATExpert, REACH, PESCaDO, CHORUS) and his research interests include multimedia analysis, indexing and retrieval, human computer interaction in multimedia retrieval, patent search, environmental and learning applications. His scientific work has been published in peer-reviewed journals, international conferences and book chapters.

Recent Publications

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  • A. Papoutsis, A. Dimitriadis, I. Koritsas, D. Kavalieros, T. Tsikrika, S. Vrochidis, I. Kompatsiaris, "RuleXploit: A Framework for Generating Suricata Rules from Exploits Using Generative AI.", in Proceedings of the 2025 IEEE International Conference on Cyber Security and Resilience (IEEE CSR 2025), Crete, Greece, 4 - 6 August, 2025.
  • A. Papoutsis, A. Dimitriadis, D. Kavalieros, T. Tsikrika, S. Vrochidis, I. Kompatsiaris, "CTI-GEN: A Framework for Generating STIX 2.1 Compliant CTI Using Generative AI.", in Proceedings of the 2025 IEEE International Conference on Cyber Security and Resilience (IEEE CSR 2025), Crete, Greece, 4 - 6 August, 2025.
  • N. Mylonas, N. Stylianou, T. Tsikrika, S. Vrochidis, I. Kompatsiaris, "A Multi-Task Text Classification Pipeline with Natural Language Explanations for Greek Tweets.", in Proceedings of the 4th International Conference on "Multilingual digital terminology today. Design, representation formats and management systems", Thessaloniki, Greece, 19-20 June, 2025. https://zenodo.org/records/15516840
  • G. Tzionis, G. Kougka, I. Gialampoukidis, S. Vrochidis, I. Kompatsiaris, M. Vlachopoulou, "Comparative Analysis of Feature Importance in Machine Learning Models for Predictive Maintenance.", Springer Nature, Enterprise Interoperability XI Book, May 2025, doi: 10.1007/978-3-031-93995-2
  • E. Lagiokapa, G. Loupas, M. V. Kosti, N. Georgakopoulou, S. Diplaris, S. Vrochidis, "Distilling Gaming Strategy through Explainability in Tetris.", in Proceedings of the Video4IMX Workshop at ACM IMX 2025, ACM, UFF, Niterói, RJ, Brazil, June 3-6, 2025.
Contact
Dr. Stefanos Vrochidis
Building A - Office 1.4

Information Technologies Institute
Centre of Research & Technology - Hellas
6th km Harilaou - Thermis, 57001, Thermi - Thessaloniki
Tel.: +30 2311 257754
Fax: +30 2310 474128
Email: stefanos@iti.gr