Short CV
Panagiotis Karkazis is Assistant Professor at the Department of Computer Engineering and Computer Engineering at the School of Engineering of the University of Western Attica. He received his degree in Electrical Engineering from the Technological Institute of Piraeus in 1999 and MSc in Electronic Communication and Electronic Communications from Kingston University, UK in 2005. During the period 2009-2014 he completed his Ph.D. thesis entitled "Design, Development and Implementation of Trusted and Energy-aware Routing Protocols in Wireless Sensor Networks" in the Department of Electrical and Computer Engineering of the Technical University of Crete. From 2008 to 2016, he teaches the courses of Computer Networks, Internet Protocols and Telematics Applications in the Department of Automation of the Piraeus University of Applied Science. He has extensive experience as a Software Engineer for Embedded Systems in the telecommunications industry (R&D). Moreover, he has participated, as a principal researcher, in many national and european research projects on the fields of the Embedded Systems, IoT, Cloud Computing and SDN. He has more than 45 publications in scientific journals and conferences and contribution to the IETF Standard: "A Trust Framework for Low Power and Lossy Networks".
Research Interests
Courses
Publications
Journals
Trakadas P, Karkazis P, Leligou HC, Zahariadis T, Vicens F, Zurita A, Alemany P, Soenen T, Parada C, Bonnet J, Fotopoulou E, Zafeiropoulos A, Kapassa E, Touloupou M, Kyriazis D. "Comparison of Management and Orchestration Solutions for the 5G Era" ,Journal of Sensor and Actuator Networks. 2020; 9(1):4.
Vretos, N., Daras, P., Asteriadis, S., Hortal, E., Ghaleb, E., Spyrou, E., Leligou, H.C., Karkazis, P., Trakadas, P., Assimakopoulos, K., “Exploiting sensing devices availability in AR/VR deployments to foster engagement ,Virtual Reality Journal, Springer, July 2018, pp. 1-12, DOI 10.1007/s10055-018-0357-0.
P. Karkazis, P. Trakadas, Th. Zahariadis, I. Chatzigiannakis, M. Dohler, A. Vitaletti, A. Antoniou, H. C. Leligou, L. Sarakis, “Resource and Service Virtualisation in M2M and IoT Platforms” , International Journal of Intelligent Engineering Informatics, Inderscience Publishers, Vol. 3, 2015, pp. 205-224.
Panagiotis Karkazis, Panagiotis Balourdos, Georgios Pitsiakos, Konstantinos Asimakopoulos, Ioannis Saranteas, Thomais Spiliou and Dimitra Roussou, "Application of Educational Robotics on an Automated Water Management System." IJSEUS 9.1 (2018): 25-36. Jun. 2018. doi:10.4018/IJSEUS.2018010103
Panagiotis Karkazis, Lambros Sarakis, Terpsichori-Eleni N. Velivassaki, Panagiotis Trakadas, Helen C. Leligou, Theodore Zahariadis, “Energy-Efficient Trust Management Scheme in Mobile Wireless Sensor Networks” Open transactions on Wireless Sensor Networks, Volume 1, Number 1, pp.47-62, 2014.
Helen C. Leligou, Periklis Chatzimisios, Lambros Sarakis, Theofanis Orphanoudakis, Panagiotis Karkazis, Theodore Zahariadis, “An 802.11p compliant system prototype supporting road safety and traffic management applications” , International Journal of Wireless Networks and Broadband Technologies, January-March 2014.
Panagiotis Karkazis, Panagiotis Trakadas, Helen C. Leligou, Lambros Sarakis, Terpsichori Velivassaki, Ioannis Papaefstathiou, Theodore Zahariadis, “Evaluating routing metric composition approaches for QoS differentiation in low power and lossy networks” , Springer, Wireless Networks, Vol. 19, Issue 6 (2013), Page 1269-1284, DOI 10.1007/s11276-012-0532-2.
Terpsichori-Helen Velivasaki, Panagiotis Karkazis, Theodore Zahariadis, Panagiotis Trakadas, Christos Capsalis, “Trust-Aware and Link-Reliable Routing Metric Composition for Wireless Sensor Networks”, Transactions on Emerging Telecommunications Technologies, Oct. 2012, DOI:10.1002/ett.2592.
H.C. Leligou, P. Trakadas, S. Maniatis, P. Karkazis, T. Zahariadis, ”Combining trust with location information for routing in wireless sensor networks” , Wireless Communications and Mobile Computing, Wiley, Vol. 12, 2012, pp. 1091–1103, DOI: 10.1002/wcm.1038.
T. Zahariadis, P. Trakadas, H.C. Leligou, S. Maniatis, P. Karkazis, ”A novel trust-aware geographical routing scheme for wireless sensor networks” , Wireless Personal Communications, April 2012, DOI: 10.1007/s11277-012-0613-7.
Mariano García-Otero, Theodore Zahariadis, Federico Álvarez, Helen C. Leligou, Adrián Población-Hernández, Panagiotis Karkazis, Francisco J. Casajús-Quirós, “Secure geographic routing in ad-hoc and wireless sensor networks” , EURASIP, journal on Wireless Communications and Networking, Special Issue on Signal Processing-assisted Protocols and Algorithms for Cooperating Objects and Wireless Sensor Networks, Vol. 2010.
Theodore Zahariadis, Helen Leligou, Panagiotis Karkazis, Panagiotis Trakadas, Ioannis Papaefstathiou, Charalambos Vangelatos, Lionel Besson, “Design and implementation of a trust-aware routing protocol for large WSNs” , Int. Journal of Network Security & Its Applications, July 2010, Vol. 2, No 3, pp. 52-68.
T. Zahariadis, H. Leligou, S. Voliotis, S. Maniatis, P. Trakadas, P. Karkazis, “Energy and Trust-aware Routing Protocol for Large Wireless Sensor Networks” , WSEAS Transactions on Communications, Vol. 8, No. 9, Sept. 2009, pp.981- 991.
Conferences
Shekhawat, Y., Piesk, J., Sprengel, H., Gómez, I.D., Vicens, F., Carrillo, S.C., Trakadas, P., Karkazis, P., Zahariadis, T., Touloupou, M. and Kapassa, E. "Orchestrating Live Immersive Media Services Over Cloud Native Edge Infrastructure" In 2019 IEEE 2nd 5G World Forum (5GWF) (pp. 316-322). IEEE.
Chatzigiannakis, I., Maiano, L., Trakadas, P., Anagnostopoulos, A., Bacci, F., Karkazis, P., Spirakis, P.G. and Zahariadis, T., 2019 "Data-Driven Intrusion Detection for Ambient Intelligence" In European Conference on Ambient Intelligence (pp. 235-251). Springer, Cham.
Soenen, T., Vicens, F., Bonnet, J., Parada, C., Kapassa, E., Touloupou, M., Fotopoulou, E., Zafeiropoulos, A., Pol, A., Karkazis, P. and Xilouris, G., "SLA-controlled Proxy Service Through Customisable MANO Supporting Operator Policies" In IM (pp. 707-708).
Pol, A., Roman, A., Trakadas, P., Karkazis, P., Kapassa, E., Touloupou, M., Kyriazis, D., Juan, L., Alemany, P., Vilalta, R. and Munoz, R. "Advanced NFV features applied to multimedia real-time communications use case" In 2019 IEEE 2nd 5G World Forum (5GWF) (pp. 323-328). IEEE.
Soenen, T., Van Rossem, S., Tavernier, W., Vicens, F., Valocchi, D., Trakadas, P., Karkazis, P., Xilouris, G., Eardley, P., Kolometsos, S. and Kourtis, M.A., "Insights from SONATA: Implementing and integrating a microservice-based NFV service platform with a DevOps methodology." In NOMS 2018-2018 IEEE/IFIP Network Operations and Management Symposium (pp. 1-6). IEEE.
Panagiotis Trakadas, Panagiotis Karkazis, Helen-Catherine Leligou, Theodore Zahariadis, Andreas Papadakis, Wouter Tavernier, Thomas Soenen, Steven van Rossem, "Scalable Monitoring for Multiple Virtualized Infrastructures for 5G Services" ICN2018, April 22-26, Athens, Greece.
Zahariadis, T., Voulkidis, A., Karkazis, P., & Trakadas, P. "Preventive maintenance of critical infrastructures using 5G networks & drones." Advanced Video and Signal Based Surveillance (AVSS), 2017 14th IEEE International Conference on. IEEE, 2017.
A Aravanis, P Karkazis, A Voulkidis, T Zahariadis ,“On the Minimization of the Energy Consumption in Federated Data Centers” , CN4IoT 2015, Oct 26-27, Rome, Italy.
Theodore Zahariadis, Panagiotis Karkazis, Sotiris Karachontzitis, George Xilouris, “A Monitoring Framework for Heterogeneous NFV/SDN-enabled Cloud Environments” , EuCNC 2016, June 27-30, Athens, Greece.
Theodore Zahariadis, Lambros Sarakis, Stamatis Voliotis, Dimitrios Bargiotas, Panagiotis Karkazis, “Evaluation of RPL-compliant routing solutions in real-life WSNs” , MATEC Web of Conferences, 2016.
Panagiotis Karkazis, Ioannis Papaefstathiou, Lambros Sarakis, Theodore Zahariadis, Terpsichori-Helen Velivassaki, Dimitrios Bargiotas, “Evaluation of RPL with a Transmission Count-Efficient and Trust-Aware Routing Metric” , 2014 IEEE International Conference on Communications (ICC), 10-14 June 2014, Sydney, NSW.
Y. Al-Hazmi, Jose Gonzalez, Pablo Rodríguez-Archilla, Federico Alvarez, Theofanis Orphanoudakis, Panos Karkazis and Thomas Magedanz, “Unified Representation of Monitoring Information Across Federated Cloud Infrastructures” , 26th IEEE International Teletraffic Congress, Sept 2014, Karlskrona, Sweden.
T. Zahariadis, L. Sarakis, P. Trakadas, S. Voliotis, H. C. Leligou, P. Karkazis, “Sensor Networks Virtualisation for efficient Smart Application Development” , 17th WSEAS International Conference on Systems, July 16-19, 2013, Rhodes Island, Greece.
Helen C. Leligou, Panagiotis Karkazis, Antonis Hatziefremidis, Theofanis Orphanoudakis, Theodore Zahariadis, “Implementation of road safety and traffic management applications over mobile opportunistic systems” , 17th WSEAS International Conference on Communications, July 16-19, 2013, Rhodes Island, Greece.
P. Karkazis, P. Trakadas, H. C. Leligou, L. Sarakis, Th. Zahariadis, T. Velivassaki, C. Capsalis, “Design of primary and composite routing metrics for RPL-compliant Wireless Sensor Networks” International Conference on Telecommunications and Multimedia (TEMU2012), Heraklion, Greece, 31/7-1/8/2012.
P. Karkazis, H. C. Leligou, T. Zahariadis, “Geographical Routing in Wireless Sensor Networks”, TEMU 2012, July August 2012, Heraklion, Crete, Greece.
P. Karkazis, P. Trakadas, T. Zahariadis, A. Hatziefremidis, H. C. Leligou, “RPL Modeling in J-Sim Platform” , in 9th International Conference on Networked Sensing Systems, Antwerp, Belgum, June 11-14, 2012.
H. C. Leligou, P. Karkazis, Th. Zahariadis, T. Velivasaki, Th. Tsiodras, C. Matrakidis, S. Voliotis , “The Impact of Indirect Trust Information Exchange on Network Performance and Energy Consumption in Wireless Sensor Networks” , ELMAR 2011.
Helen C. Leligou, Luis Redondo, Theodore Zahariadis, Daniel Rodriguez Retamosa, Panagiotis Karkazis, Ioannis Papaefstathiou, “Reconfiguration in Wireless Sensor Networks” , DeSE 2010 conference, London UK, September 2010.
Theodore Zahariadis, Panagiotis Trakadas, Helen Leligou, Panagiotis Karkazis, “Implementing a Trust-Aware Routing Protocol in Wireless Sensor Nodes” , DeSE 2010 conference, London UK, September 2010, DOI: 10.1109/DeSE.2010.15.
H.C. Leligou, P. Trakadas, T. Zahariadis, P. Karkazis, S. Voliotis , “The benefits of indirect trust information exchange for supporting mobility in Wireless Sensor Networks” , TEMU 2010, Greece.
Theodore Zahariadis, Helen Leligou, Panagiotis Karkazis, Panagiotis Trakadas, ”Energy efficiency and implementation cost of trust-aware routing solutions in WSNs” , 14th Panhellenic Conference on Informatics (PCI 2010), 10-12 September 2010, Tripoli, Greece.
Stamatis Voliotis, Theodore Zahariadis, Helen Leligou, Dimitris Bargiotas, Panagiotis Trakadas and Panagiotis Karkazis, “A Scalable Geographical Routing approach for Wireless Sensor Networks” , IWSSIP 2010, June 17-19, 2010, Rio de Janeiro, Brazil.
Theodore Zahariadis, Helen C. Leligou, Stamatis Voliotis, Sotiris Maniatis, Panagiotis Trakadas, Panagiotis Karkazis, “An Energy and Trust-aware Routing Protocol for Large Wireless Sensor Networks” , WSEAS Conference on communications, August 2009, Moscow, Russia.
Theodore Zahariadis, Panagiotis Trakadas, Sotiris Maniatis, Panagiotis Karkazis, Helen C. Leligou, Stamatis Voliotis, “Efficient detection of routing attacks in Wireless Sensor Network” , 16th International Workshop on Systems, Signals and Image Processing, June 18-20, 2009, Chalkida, Greece, 10.1109/ IWSSIP.2009.5367775.
P. Trakadas, S. Maniatis, P. Karkazis, T. Zahariadis, H.C. Leligou, S. Voliotis, “A novel flexible trust management system for heterogeneous wireless sensor networks” , 9th International Symposium on Autonomous Decentralized Systems (ISADS 2009), Athens, Greece, March 23-25, 2009.
Lambros Sarakis, Helen Leligou, Panagiotis Karkazis, Terpsichori-Helen Velivassaki, Theodore Zachariadis, “Evaluation of a transmission count-efficient metric for energy-aware routing in WSNs” , TEMU 2014.
P. Trakadas, T. Zahariadis, H. Leligou, P. Karkazis, Terpsichori Helen Velivassaki and L. Sarakis, “Routing metric selection and design for multi-purpose WSNs” , IWSSIP 2014.
Articles in Books
Karkazis, P, Leligou, HC, Trakadas, P, Vretos, N, Asteriadis, S, Daras, P and Staden, PJ, “Technologies Facilitating Smart Pedagogy” , book chapter in “Didactics of Smart Pedagogy Springer”, Springer, 2019, ISBN: 978-3-030-01551-0, DOI: 10.1007/978-3-030-01551-0.
L. Sarakis, Th. Orphanoudakis, P. Chatzimisios, A. Papantonis, P. Karkazis, H. C. Leligou, and Th. Zahariadis, “802.11p based VANET applications improving road safety and traffic management” , book chapter in “Emerging Innovations in Wireless Networks and Broadband Technologies”, Chapter 12, pp.225-240, Springer, Book Title “Novel 3D Media Technologies,” 2016, ISBN: 978-1-4939-2025-9, DOI: 10.4018/978-1-4666-9941-0.ch007.
Theodore Zahariadis, Ioannis Koufoudakis, Helen C. Lelligou, Lambros Sarakis, Panagiotis Karkazis, “Utilizing social interaction information for efficient 3D immersive overlay communications” , pp.225-240, Springer NY, Book Title “Novel 3D Media Technologies”, 2016, ISBN: 978-1-4939-2026-6, DOI: 10.1007/978-1-4939-2026-6_12.
P. Trakadas, Helen C. Leligou, T. Zahariadis, P. Karkazis, L. Sarakis “Managing QoS for Future Internet Applications over Virtual Sensor Networks” ,p. 52-63, Springer, Berlin, Heidelberg, Book Title “The Future Internet Assembly”, 2013, ISBN: 978-3-642-38082-2, DOI: 10.1007/978-3-642-38082-2_5.
Contribution in standards
Th. Zahariadis, H. C. Leligou, P. Karkazis, P. Trakadas, S. Maniatis, “A Trust Framework for Low Power and Lossy Networks” , Internet-Draft submitted to IETF Networking Working Group, ROLL subgroup, 30 April 2009