Interesting.Stuff

  • Diploma theses (gr) [pdf]
  • Curriculum Vitae (gr) [pdf]
  • Curriculum Vitae (en) [pdf]

Scholarships/awards.received

Invited.talks/panels

  • October 2025: Business transformation through AI and new technologies.
    Panel discussion at the Hellenic Society for Systemic Studies Conference (HSSS), Tripolis, Greece

  • July 2025: Will AI Kill Traditional Data Management?
    Panel discussion at the Hellenic Data Management Symposium (HDMS), Ioannina, Greece

  • November 2024: Data Science in Urban and Rural Environments.
    Presented at the GeoInformation Research Unit, Technical Universiteat Wien (TU Wien), Vienna, Austria

  • November 2024: Energy Crisis and Green Transition.
    Panel discussion at the "JustReDI Forum on Energy Crisis and Green Transition", Tripolis, Greece

  • October 2024: SodaSense: Advanced big data management for mobility, weather and agriculture.
    Presented at "22nd European Week of Regions and Cities", Brussels, Belgium

  • June 2024: AI in the lifecycle of climate data.
    Presented at "Forum on Energy & Climate in Tripolis" organised by Municipality of Tripolis, Tripolis, Greece

  • April 2024: AI in the Workplace.
    Presented at "Peloponnisos EXPO 2024 Forum on Artificial Intelligence and Business", Tripolis, Greece

  • December 2023: Generative AI for text and multimedia.
    Presented at "Wired Youth Science Forum" by ScienceView, Athens, Greece

  • September 2023: Systems research across friends and time.
    Presented at "Gerhard Weikum's retirement event" by Max-Planck Institute for Informatics, Saarbuecken, Germany

  • May 2023: 4 bits of (computing) history.
    Presented at "A Month of Science & Technology" in Arcadia Chamber of Commerce, Tripolis, Greece

  • May 2022: AI ethics.
    Presented at "A Month of Science & Technology" in Malliaropoulio Municipal Theatre, Tripolis, Greece

  • December 2022: Online safety and Santa Claus.
    Presented at "Online safety seminars" by Velo Primary School, Velo, Greece

  • June 2015: Smart Cities - Challenges and applications.
    Presented at "Tripolis 2021 - European Capital of Culture" candidacy day, Tripolis, Greece

  • September 2018: Democratising social interactions: the case of distributed social networks.
    Presented at the Faculty of Applied Informatics, Tomas Bata University, Zlin, Czech Republic

  • February 2015: Challenges in Distributed Social Networking.
    Presented at the Dept. of Databases and Information Systems, Max-Planck Institute for Informatics (MPII), Saarbruecken, Germany

  • September 2013: Chairing of the Short Papers session.
    Session Chair at the Cooperative Information Systems Conference (CoopIS), Graz, Austria

  • July 2013: Information Management in Distributed Social Networks.
    Presented at the InfoCloud Research Group, King Abdullah University of Science and Technology (KAUST), Thuwal, Saudi Arabia

  • April 2013: "Elvis has left the building": Retrieval and Filtering of Events in Social Networking.
    Presented at the Dept. of Computer Science, University of Cyprus, Nicosia, Cyprus

  • May 2011: Data management in peer-to-peer environments.
    Presented at the School of Electrical and Computer Engineering, National Technical University of Athens, Greece

  • April 2008: Alerting in Mobile Environments.
    Presented at Bertinoro international Center for informatics (BiCi), Bertinoro, Italy

  • May 2007: Architectural Alternatives for Information Filtering in Structured Overlay Networks.
    Presented at the Dept. of Computer Science, University of Ioannina, Greece

  • July 2006: Peer-to-Peer Techniques for Web Information Retrieval and Filtering.
    PhD defense. Presented at the Dept. of Electronic and Computer Engineering, Technical University of Crete, Chania, Greece

  • February 2006: Peer-to-Peer Information Filtering.
    Presented at the Learning Lab Lower Saxony (L3S) Research Center, Hannover, Germany.

  • December 2005: Information Filtering with IR-Based Languages.
    Presented at the Database Architectures and Information Access Group, CWI, Amsterdam, The Netherlands.

  • December 2002: The Intelligent Systems Lab.
    Presented at the European Research Area Meeting, Brussels, Belgium.

  • April 2002: Agents in Biomedical Applications.
    Presented at the Medical School of University of Crete, Heraklion, Greece.

Program/review.committees

  • Funding committees
    • External evaluator for the General Secretariat for Research and Technology (GSRT)
    • External evaluator for ICT FET-Open (2013, 2018, 2019, 2020) and PATHFINDER (2025) Research Proposals
    • External evaluator for Grants Programme of the Institute of Computer Science, FORTH.
    • Advisory board member of the SlideWiki Foundation
    • Evaluator for the Peloponnese Regional Council for Research and Innovation
    • Coordinator of the evaluation committee of “PELOPAS” doctoral scholarships (Research Area: Natural & Health Sciences) for University of the Peloponnese.

  • Promotion committees (international only)
    • External promotion evaluator for University of Portsmouth, Faculty of Technology, School of Computing.
    • External promotion evaluator for Montclair State University, School of Computing.

  • Book/Chapter reviews
    • Chapter reviewer for Springer Book on "Educational Data Science".
    • Reviewer for Springer Book on "Handbook of Mobility Data Privacy".
    • Reviewer for Springer Book on "Privacy in Big Data and Cloud Infrastructures".
    • Chapter reviewer for Handbook of Research on P2P and Grid Systems for Service-Oriented Computing: Models, Methodologies and Applications.

  • Journal reviews
    • ACM Transactions on Data and Knowledge Engineering (TKDE).
    • IEEE Transactions on Computers (ToC).
    • ACM Computing Surveys.
    • IEEE Internet Computing.
    • IEEE Transactions on Parallel and Distributed Systems (TPDS).
    • ACM Transactions on the Web (TWeb).
    • Knowledge and Information Systems (KAIS), Springer.
    • Educational Data Science book at Big Data Management book series, Springer.
    • Journal of Parallel and Distributed Computing (JPDC), Elsevier.
    • Journal of Data and Knowledge Engineering (DKE), Elsevier.
    • Information Processing and Management Journal (IPM), Elsevier.
    • Information Systems, Elsevier.
    • Journal of Internet Services and Applications, Springer.
    • Journal of Computer Science and Technology, Springer.
    • Expert Systems With Applications Journal, Elsevier.
    • Computational Intelligence Journal, Wiley.
    • Journal of Web Semantics, Elsevier.
    • Ad Hoc Networks, Elsevier.
    • Decision Analytics Journal, Elsevier.
    • Engineering Science and Technology Journal, Elsevier.
    • Future Internet, MDPI.
    • ACM Journal on Computing and Cultural Heritage.
    • The Computer Journal, Oxford Journals.
    • Quantitative Science Studies, MIT Press.
    • Financial Innovation, Springer.
    • Chapter reviewer for Springer Book on "Educational Data Science".
    • Reviewer for Springer Book on "Handbook of Mobility Data Privacy".
    • Reviewer for Springer Book on "Privacy in Big Data and Cloud Infrastructures".
    • Chapter reviewer for Handbook of Research on P2P and Grid Systems for Service-Oriented Computing: Models, Methodologies and Applications.

  • Conference PC memberships
    • Annual International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR).
    • International Conference on Information and Knowledge Management (CIKM).
    • European Conference on Information Retrieval (ECIR).
    • ACM International Conference on Web Search and Data Mining (WSDM).
    • The ACM Web Conference (WWW).
    • IEEE International Conference on Big Data (BigData).
    • IEEE International Conference on Data Mining (ICDM).
    • International Conference on Very Large Data Bases or VLDB.
    • ACM Conference on Recommender Systems (RecSys).
    • International Conference on Theory and Practice of Digital Libraries (TPDL).
    • IEEE International Conference on Tools with Artificial Intelligence (ICTAI).
    • International Semantic Web Conference (ISWC).
    • Extended Semantic Web Conference (ESWC).
    • ACM International Conference on Distributed and Event-Based Systems (DEBS).
    • IEEE International Conference on Cyber-Security and Resilience (CSR).
    • IEEE International Conference on Data Science and Advanced Analytics (DSAA).
    • International Symposium on Information Theory (ISIT).
    • Symposium on Advances in Databases and Information Systems (ADBIS).
    • Scalable Information Systems (Infoscale).
    • International Conference on Database and Expert Systems Applications (DEXA).
    • Asian Semantic Web Conference (ASWC).
    • International Conference on Data Science, Technology and Applications (DATA).
    • Hellenic Data Management Symposium (HDMS).
    • PC Chair for IEEE CSR Workshop on Data Science for Cyber Security (DS4CS).