Panagiotis Lionakis, Ph.D.

Dr. Panagiotis Lionakis is an Adjunct Lecturer at the Department of Computer Science, University of Crete, and a Digital Innovation Consultant at PRAXI Network (Foundation for Research and Technology – Hellas, FORTH). He also serves as a National Contact Point (NCP) for the European Innovation Council (EIC) and the European Institute of Innovation and Technology (EIT) under Horizon Europe.
He holds a B.Sc., M.Sc., and Ph.D. in Computer Science from the University of Crete, as well as a Master’s in Business Economics (MBE). His interdisciplinary background bridges computer science, innovation management, and digital transformation, enabling him to connect research with applied innovation in both academic and industrial settings.
Dr. Lionakis has participated in several R&D and EU-funded projects, providing expertise in proposal development, innovation strategy, and technology transfer.
His research interests include Graph Drawing, Information Visualization, Exploratory Search, Information Systems, Conceptual Modeling, and Recommender Systems. His work has been published in leading venues such as IEEE Access and Springer Nature, and he has received multiple awards in national and international entrepreneurship and innovation competitions.
E-mail: lionakis -at- csd.uoc.gr

• PhD     Computer Science, University of Crete   [2023]
  PhD Thesis: "Analysis and Visualization of Directed Graphs"
• MSc     Computer Science, University of Crete   [2017]
  MSc Thesis: "Preference-enriched Faceted Search for Geographical Data"
• PgDip.   Digital Marketing, European Institute of Communication   [2014]
• BSc     Computer Science, University of Crete   [2013]
  BSc Thesis: "The development of a QoE-based user-centric spatio- temporal database"

Teaching Experience

Department of Computer Science, University of Crete

• Information Retrieval Systems. Undergraduate-level course.
  [Spring 2015, Spring 2016] ( Postgraduate teaching assistant )
• Object Oriented Programming. Undergraduate-level course.
  [Fall 2016, Fall 2015, Fall 2016, Fall 2017] ( Postgraduate teaching assistant )

Research Experience

Research Assistant Scientist, Institute of Computer Science, Foundation for Research & Technology - Hellas (FORTH), Heraklion, Greece.

• Innovation and Entrepreneurship Center of the University Of Crete, 1st Place Award.
  Awarded the first position in Innovation Competition organized by Innovation and Entrepreneurship Center of the University of Crete supported by the Operational Programme for Education and Lifelong Learning (2007-2013) of the Ministry of Education Lifelong Learning and Religious Affairs.
• Global Business Opportunities (GBO 2012) Bootcamp.
  Manchester Metropolitan University, UK, summer 2012.
  Scholarship to attend the international entrepreneurship and innovation workshop (bootcamp) Global Business Opportunities (GBO '12) which was held at Manchester Metropolitan University (MMU), support by the Al Ahli Holding Group the Science and Technology Park of Crete (STEP-C) of Foundation for Research & Technology Hellas (FORTH) and the Region of Crete.
• WeGov '11-Greek National Innovation Competition, 2nd Place Award.
  Awarded the second position in National (Greek) Innovation Competition "WeGov Awards 2011" organized by the Greek Interoperability Center, the Microsoft Innovation Centre in Greece, ATC SA. and the Greek ICT.

• P. Lionakis P., Tzitzikas Y. (2017) . PFSgeo: Preference-Enriched Faceted Search for Geographical. Proceedings of On the Move to Meaningful Internet Systems. OTM 2017 Conferences. OTM 2017. Lecture Notes in Computer Science, vol 10574. Springer, Cham.
• P. G. Koloniari, P. Lionakis and K. Stefanidis. Social Search and Querying. Encyclopedia of Social Network Analysis and Mining, Springer. [Book Chapter] (accepted for publication)
• P. Lionakis, K. Stefanidis and G. Koloniari. SQTime: Time-enhanced Social Search Querying. Proceedings of ER 2014. (Demo Paper)
• IEEE DySPAN student video competition, 2nd Place Award.
  Awarded the second position in IEEE DySPAN 2012 student video competition, as joint work of the Mobile computing activity of the Foundation for Research & Technology Hellas (FORTH).