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Bruschi, B., Dutoit, L., Lefkos, I., & Repetto, M. (2026). Editorial: Extended education as an interconnected ecosystem. Italian Journal of Educational Technology, 34(1), 9–10. https://doi.org/10.17471/2499-4324/1579
Konstantinidou, S., Lefkos, I., & Fachantidis, N. (2026). Are they AI-competent? Future teachers’ readiness to use conversational agents as learning assistants. International Journal of Information and Education Technology, 16(2), 318–329. https://doi.org/10.18178/ijiet.2026.16.2.2505
Kyriakou, I., & Lefkos, I. (2026). Empowering primary school educators in inquiry-based learning: Evaluating the impact of a training programme. Journal of Physics: Conference Series, 3280(1), 012072. https://doi.org/10.1088/1742-6596/3280/1/012072
Lefkos, I., Mitsiaki, M., & Siokas, A. (2026). AI-integrated science education & literacies: The Greek chatbot Talos. Proceedings of the 14th Panhellenic Conference on Didactics in Science and New Technology in Education, 14(2). https://doi.org/10.12681/codiste.10009
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Thoma, R., Lefkos, I., Karatsiori, M., et al. (2026). Mapping multilingual pedagogies for young learners: A scoping review of theories, practices, benefits and challenges in European early childhood and early primary education (Version 1) [Preprint]. Research Square. https://doi.org/10.21203/rs.3.rs-10232688/v1
Velentza, A.-M., Nikou, K., Bosser, A.-G., & Fachantidis, N. (2026). What robots do matters more than what they look like: Task context shapes trust in educational HRI [Preprint]. arXiv. https://doi.org/10.48550/arXiv.2606.14602
Velentza, A.-M., Tomprou, M., Fachantidis, N., Takow, C., Baranger, A., Zorzi, S., Kaupuzs, A., Stylianou, S., Delgado Santos, F., Leite, M. G., Matouli, I., & Dagdileli, I. (2026). Systematic literature review on distance learning for autistic students. International Journal of Developmental Disabilities. https://doi.org/10.1080/20473869.2026.2639436
Vrania, E., Neofotistos, V., & Lefkos, I. (2026). The role of artificial intelligence in protecting data integrity within IoT-based educational systems: A scoping review. Open Education Studies, 8(1), 20250141. https://doi.org/10.1515/edu-2025-0141
Drămnesc, I., Ábrahám, E., Antal, L., Csóka, P., Fachantidis, N., Jebelean, T., Kusper, G., & Papadopoulos, K. (2025). Artificial intelligence based robotic applications for higher education. Annales Mathematicae et Informaticae, 61, 68–79. https://doi.org/10.33039/ami.2025.10.009
Drămnesc, I., Ábrahám, E., Fachantidis, N., Jebelean, T., Kusper, G., et al. (2025). AIROBO: A European project for software engineers. In EDULEARN25 Proceedings: 17th International Conference on Education and New Learning Technologies (pp. 1221–1228). IATED. https://doi.org/10.21125/edulearn.2025.0394
Gioumatzidou, S., Velentza, A.-M., & Fachantidis, N. (2025). Dressing trust: Exploring the impact of clothing co-design on disclosure and attitudes in children-social robots interaction. In 2025 34th IEEE International Conference on Robot and Human Interactive Communication (RO-MAN) (pp. 294–301). IEEE. https://doi.org/10.1109/RO-MAN63969.2025.11217844
Lefkos, I. (2025). Why and where future teachers fail to successfully design experiments of complex or counterintuitive everyday life problems. Science Education International, 36(3), 349–360. https://doi.org/10.33828/sei.v36.i3.10
Moschaki, S. E., Lefkos, I., Neofotistos, V., & Fachantidis, N. (2025). The use of artificial intelligence (AI) in primary and secondary education: Teachers’ perspectives. In 2025 2nd International Conference on Artificial Intelligence and Teacher Education (ICAITE) (pp. 355–361). IEEE. https://doi.org/10.1109/ICAITE68636.2025.11442591
Neofotistos, V., & Papastathis, T. (2025). Political and philosophical theories that dominate the structure of the Greek educational system. Pedagogical Research, 10(1), em0226. https://doi.org/10.29333/pr/15587
Pasalidou, C., Lytridis, C., Tsinakos, A. A., & Fachantidis, N. (2025). Augmented reality and robotics in education: A systematic literature review. Computers in Human Behavior: Artificial Humans, 4, 100157. https://doi.org/10.1016/j.chbah.2025.100157
Velentza, A.-M., Pliasa, S., Biziou, F., & Fachantidis, N. (2025). Let’s play with social robots!—Improving social skills in autistic children through game activities. In Understanding autism: Perspectives, assessment, interventions, and the journey towards inclusion (pp. 161–172). Elsevier. https://doi.org/10.1016/B978-0-443-27366-7.00026-2
Drămnesc, I., Ábrahám, E., Jebelean, T., Fachantidis, N., Kusper, G., & Stratulat, S. (2024). A European project on AI-based robotics. In 2024 IEEE International Conference on Teaching, Assessment and Learning for Engineering (TALE) (pp. 1–7). IEEE. https://doi.org/10.1109/TALE62452.2024.10834389
Grumeza, T.-R., et al. (2024). A case study in generating 3D maps with collaborative robots. In 2024 4th International Conference on Electrical, Computer, Communications and Mechatronics Engineering (ICECCME) (pp. 1–8). IEEE. https://doi.org/10.1109/ICECCME62383.2024.10796720
Grumeza, T.-R., Lazăr, T.-A., Drămnesc, I., Kusper, G., Papadopoulos, K., Fachantidis, N., & Lefkos, I. (2024). A case study in building 2D maps with robots. In Proceedings of the 21st International Conference on Informatics in Control, Automation and Robotics (ICINCO 2024) (Vol. 2, pp. 228–235). SCITEPRESS. https://doi.org/10.5220/0013002200003822
Kleniatis, A., Dimitriou, A. G., & Bletsas, A. (2024). Device free localization of multiple humans with passive RFID and joint RSSI-phase techniques. In 2024 IEEE International Conference on RFID (RFID). IEEE. https://doi.org/10.1109/RFID62091.2024.10582592
Megalou, S., Tsiakoumis, K., Raptopoulos Chatzistefanou, A., Siachalou, S., Yioultsis, T. V., & Dimitriou, A. G. (2024). Lane keeping and tracking through RFID technology. IEEE Journal of Radio Frequency Identification, 8, 114–124. https://doi.org/10.1109/JRFID.2024.3363643
Mitsiou, D., & Zafiropoulos, K. (2024). Quantitative study of the causal relationships among the EFQM Model 2020 criteria in the Greek public sector context. Journal of Business Economics and Management, 25(4), 731–750. https://doi.org/10.3846/jbem.2024.21788
Neofotistos, V., Mavropoulou, E., Stergiou, C., Aslanidou, S., & Oikonomou, A. (2024). Exploring the role of educational videos in teacher training: Usability, satisfaction, and pedagogical intentions. Education Quarterly Reviews, 7(4). https://doi.org/10.31014/aior.1993.07.04.252
Velentza, A.-M., Lefkos, I., Fachantidis, N., et al. (2024). Human-social robot online co-tutoring enhances students’ learning & engagement: Interaction guidelines (Version 1) [Preprint]. Research Square. https://doi.org/10.21203/rs.3.rs-4743200/v1
Dimitriou, A. G., Papadopoulou, S., Dermenoudi, M., … Koukouvou, A. (2023). Exploiting RFID technology and robotics in the museum. In Computer Applications and Quantitative Methods in Archaeology 2023 (CAA 2023).
Filotheou, A., Symeonidis, A. L., Sergiadis, G. D., & Dimitriou, A. G. (2023). Correspondenceless scan-to-map-scan matching of 2D panoramic range scans. Array, 18, 100288. https://doi.org/10.1016/j.array.2023.100288
Karakosta, A., Velentza, A.-M., Pasalidou, C., & Fachantidis, N. (2023). Socially assistive robotics optimizing augmented reality educational application for teaching traffic safety in kindergarten. In 2023 32nd IEEE International Conference on Robot and Human Interactive Communication (RO-MAN) (pp. 1210–1215). IEEE. https://doi.org/10.1109/RO-MAN57019.2023.10309658
Lefkos, I., Chanioti, E., & Karatsiori, M. (2023). Fostering cross-cultural understanding through technology-led educational practices: Perspectives from Greek teachers. In EDULEARN23 Proceedings (p. 8470). IATED. https://doi.org/10.21125/edulearn.2023.2224
Manoloudi, M., & Lefkos, I. (2023). An ICT-based approach for teaching nanotechnology-related subjects in kindergarten. In Proceedings of the 23rd Ireland International Conference on Education (IICE-2023). Infonomics Society. https://doi.org/10.20533/IICE.2023.0018
Manoloudi, M., & Lefkos, I. (2023). Nanotechnology in kindergarten: Is there any learning gain using an ICT-based approach? International Journal of Digital Society, 14(1), 1868–1872. https://doi.org/10.20533/ijds.2040.2570.2023.0234
Megalou, S., Ellina, I. S., Kouros, E., Raptopoulos Chatzistefanou, A., Fachantidis, N., Yioultsis, T. V., & Dimitriou, A. G. (2023). GuideAndTrack: A novel guidance and localization method by a handheld UHF-RFID reader. IEEE Journal of Radio Frequency Identification, 7, 91–104. https://doi.org/10.1109/JRFID.2023.3263389
Megalou, S., Raptopoulos Chatzistefanou, A., Siachalou, S., Yioultsis, T. V., & Dimitriou, A. G. (2023). Lane keeping through RFID. In 2023 IEEE International Conference on RFID (RFID). IEEE. https://doi.org/10.1109/RFID58307.2023.10178628
Raptopoulos Chatzistefanou, A., Sergiadis, G., & Dimitriou, A. G. (2023). Tag localization by handheld UHF RFID reader with optical and RFID landmarks. IEEE Journal of Radio Frequency Identification. https://doi.org/10.1109/JRFID.2023.3238822
Tsirkas, K., Velentza, A.-M., & Fachantidis, N. (2023). Step by step building and evaluation of low-cost capacitive technology touch system for human-social robot interaction. In 2023 14th International Conference on Information, Intelligence, Systems & Applications (IISA) (pp. 1–6). IEEE. https://doi.org/10.1109/IISA59645.2023.10345841
Tzitzis, A., Filotheou, A., Raptopoulos Chatzistefanou, A., Yioultsis, T., & Dimitriou, A. G. (2023). Real-time global localization of a mobile robot by exploiting RFID technology. IEEE Journal of Radio Frequency Identification, 7, 486–506. https://doi.org/10.1109/JRFID.2023.3288982
Filotheou, A., Sergiadis, G. D., & Dimitriou, A. G. (2022). FSM: Correspondenceless scan-matching of panoramic 2D range scans. In IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS 2022).
Megalou, S., Raptopoulos Chatzistefanou, A., Tzitzis, A., Malama, A., Yioultsis, T., & Dimitriou, A. G. (2022). Hyperbolic positioning and tracking of moving UHF-RFID tags by exploiting neural networks. In 16th European Conference on Antennas and Propagation (EuCAP).
Megalou, S., Raptopoulos Chatzistefanou, A., Tzitzis, A., Yioultsis, T., & Dimitriou, A. G. (2022). Passive UHF-RFID hyperbolic positioning of moving tags by exploiting neural networks. IEEE Journal of Radio Frequency Identification, 6, 402–412. https://doi.org/10.1109/JRFID.2022.3158730
Papadopoulos, K., Velentza, A. M., Christodoulou, P., & Fachantidis, N. (2022). Social educational robotics application: Architecture and interconnectivity. In 2022 13th International Conference on Information, Intelligence, Systems & Applications (IISA) (pp. 1–4). IEEE. https://doi.org/10.1109/IISA56318.2022.9904372
Pasalidou, C., & Fachantidis, N. (2022). Contextualizing educational robotics programming with augmented reality. In 2022 8th International Conference of the Immersive Learning Research Network (iLRN) (pp. 1–5). IEEE. https://doi.org/10.23919/iLRN55037.2022.9815969
Raptopoulos Chatzistefanou, A., & Dimitriou, A. G. (2022). Tag localization by handheld UHF RFID reader and optical markers. In 2022 IEEE International Conference on RFID Technology and Applications (RFID-TA). IEEE.
Raptopoulos Chatzistefanou, A., Megalou, S., Siachalou, S., Drakaki, V., Sergiadis, G. D., & Dimitriou, A. G. (2022). Target localization by mobile handheld UHF RFID reader. In 16th European Conference on Antennas and Propagation (EuCAP).
Raptopoulos Chatzistefanou, A., Tzitzis, A., Megalou, S., Sergiadis, G., & Dimitriou, A. G. (2022). Target localization by mobile handheld UHF RFID reader and IMU. IEEE Journal of Radio Frequency Identification, 6, 426–438. https://doi.org/10.1109/JRFID.2022.3147539
Tzitzis, A., Malama, A., Drakaki, V., Bletsas, A., Yioultsis, T., & Dimitriou, A. G. (2022). Real-time, robot-based, 3D localization of RFID tags, by transforming phase measurements to a linear optimization problem. IEEE Journal of Radio Frequency Identification, 6, 439–455. https://doi.org/10.1109/JRFID.2021.3103393
Tzitzis, A., Moneda, A., Yioultsis, T., & Dimitriou, A. G. (2022). Phase-based device-free tracking exploiting a cylindrical human model and Kalman smoothing. In 2022 7th International Conference on Smart and Sustainable Technologies (SpliTech). IEEE.
Tzitzis, A., Raptopoulos Chatzistefanou, A., Megalou, S., Siachalou, S., Yioultsis, T., & Dimitriou, A. G. (2022). Device-free human tracking exploiting phase disturbances and particle filters. In 2022 IEEE International Conference on RFID (RFID). IEEE.
Velentza, A.-M., Fachantidis, N., & Lefkos, I. (2022). Human-robot interaction methodology: Robot teaching activity. MethodsX, 9, 101866. https://doi.org/10.1016/j.mex.2022.101866
Velentza, A.-M., Lefkos, I., & Fachantidis, N. (2022). Human-robot co-teaching in online university course during COVID-19. In 2022 13th International Conference on Information, Intelligence, Systems & Applications (IISA) (pp. 1–6). IEEE. https://doi.org/10.1109/IISA56318.2022.9904335
Dermenoudi, M., Karolidis, D., Moneda, A., Drakaki, V., & Dimitriou, A. G. (2021). The use of RFID technology for the collection management in the Archaeological Museum of Thessaloniki. In 6th International Conference on Smart and Sustainable Technologies (SpliTech).
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Giannelos, E., Andrianakis, E., Skyvalakis, K., Dimitriou, A. G., & Bletsas, A. (2021). Robust RFID localization in multipath with phase-based particle filtering and a mobile robot. IEEE Journal of Radio Frequency Identification, 5(3), 302–310. https://doi.org/10.1109/JRFID.2021.3086759
Megalou, S., Bletsas, A., Yioultsis, T., & Dimitriou, A. G. (2021). Power and phase variation of backscattered RFID signal with respect to the incident power at the tag. In 2021 IEEE International Conference on RFID Technology and Applications (RFID-TA) (pp. 36–39). IEEE. https://doi.org/10.1109/RFID-TA53372.2021.9617367
Megalou, S., Dimitriou, A. G., Tzitzis, A., & Yioultsis, T. (2021). Design and fabrication of a compact, low-cost UHF-RFID repeater, exploiting circular cross-polarization. IEEE Journal of Radio Frequency Identification, 5(1), 64–74. https://doi.org/10.1109/JRFID.2020.3040439
Mylonopoulos, G., Raptopoulos Chatzistefanou, A., Filotheou, A., Tzitzis, A., Siachalou, S., & Dimitriou, A. G. (2021). Localization, tracking and following a moving target by an RFID equipped robot. In 2021 IEEE International Conference on RFID Technology and Applications (RFID-TA). IEEE. https://doi.org/10.1109/RFID-TA53372.2021.9617436
Pliasa, S., Fachantidis, N., & Maragkou, P. (2021). Can children of typical development benefit from inclusion intervention with Daisy Robot—a socially assistive robot? In Proceedings of the 9th International Conference on Software Development and Technologies for Enhancing Accessibility and Fighting Info-exclusion (DSAI ’20) (pp. 235–240). Association for Computing Machinery. https://doi.org/10.1145/3439231.3439278
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Tzitzis, A., Raptopoulos Chatzistefanou, A., Yioultsis, T., & Dimitriou, A. G. (2021). A real-time multi-antenna SAR-based method for 3D localization of RFID tags by a moving robot. IEEE Journal of Radio Frequency Identification, 5(2), 207–221. https://doi.org/10.1109/JRFID.2021.3070409
Velentza, A.-M., Fachantidis, N., & Lefkos, I. (2021). Human or robot university tutor? Future teachers’ attitudes and learning outcomes. In 2021 30th IEEE International Conference on Robot & Human Interactive Communication (RO-MAN) (pp. 236–242). IEEE. https://doi.org/10.1109/RO-MAN50785.2021.9515521
Velentza, A.-M., Fachantidis, N., & Lefkos, I. (2021). Learn with surprize from a robot professor. Computers & Education, 173, 104272. https://doi.org/10.1016/j.compedu.2021.104272
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Filotheou, A., Tsardoulias, E. G., Dimitriou, A., Symeonidis, A. L., & Petrou, L. (2020). Quantitative and qualitative evaluation of ROS-enabled local and global planners in 2D static environments. Journal of Intelligent & Robotic Systems, 98, 567–601.
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