Γνωστικό Αντικείμενο: Λειτουργικά Συστήματα και Βάσεις Δεδομένων για Κατανεμημένες Αρχιτεκτονικές

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Σπουδές

2010 – Διδακτορικό Δίπλωμα στα Δίκτυα Υπολογιστών, Τμήμα Πληροφορικής και  Τηλεπικοινωνιών, Σχολή Θετικών Επιστημών,
            Εθνικό και Καποδιστριακό Πανεπιστήμιο Αθηνών.

            Αντικείμενο Διατριβής: Σχεδιασμός και Μελέτη Αλγορίθμων για Διάδοση Πληροφορίας Σε Μη Δομημένα Δικτυακά Περιβάλλοντα

2005 – Δίπλωμα Μεταπτυχιακής Ειδίκευσης στην Ηλεκτρονικής και Ραδιοηλεκτρολογίας  (Ρ/Η), Τμήμα Πληροφορικής και  Τηλεπικοινωνιών και Φυσικού,
           Σχολή Θετικών Επιστημών, Εθνικό και Καποδιστριακό Πανεπιστήμιο Αθηνών.

2001 – Δίπλωμα Φυσικού, Τμήμα Φυσικής, Σχολή Θετικών Επιστημών, Εθνικό και Καποδιστριακό Πανεπιστήμιο Αθηνών.

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Ερευνητικά Ενδιαφέροντα

• Τεχνολογία Κατανεμημένων Εδαφίων (Blockchain)
• Πρότυπα Κατανεμημένης Ταυτοποίησης
• Ασφάλεια Έξυπνων Συμβολαίων
• Θέματα ιδιωτικότητας και Ασφάλειας στο Διαδίκτυο των Πραγμάτων
• Πρωτόκολλα Επικοινωνίας στο Διαδίκτυο των Πραγμάτων
• Νεφοϋπολογιστική

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Αντιπροσωπευτικές Δημοσιεύσεις

Περιοδικά:

• Konstantinos Oikonomou, Dimitris Kogias, Ioannis Stavrakakis, “Probabilistic Flooding for Efficient Information Dissemination in Random Graph Topologies”, Computer Networks vol. 54, Issue 10 (July 2010), pp. 1615-1629.
• P. Kasnesis, C. Z. Patrikakis, D. Kogias, L. Toumanidis, I. Venieris, “Cognitive Friendship and Goal Management for the Social IoT”, in Computers and Electrical Engineering, vol. 58, pp. 412- 428, Elsevier, February, 2017.
• D. Kogias, M. Xevgenis, C. Patrikakis, “Cloud Federation: A prominent solution for the evolution of Cloud Computing”, in IEEE Computer, Vol. 49, Issue 11, pp. 96-99, November 2016.
• Tuna Gurkan, Kogias Dimitrios, Gungor Vehb, Gezer Cengiz, Taşkın Erhan, Ayday Erman. (2017), “A survey on information security threats and solutions for Machine to Machine (M2M) communications”, Journal of Parallel and Distributed Computing. 109. 142-154. 10.1016/j.jpdc.2017.05.021.
• D. Kogias, H. C. Leligou, M. Xevgenis, M. Polychronaki, E. Katsadouros, G. Loukas, R. Heartfield, C. Z. Patrikakis, "Towards a Blockchain- enabled Crowdsourcing platform", in IEEE IT Professional Special Issue on Innovations Using Blockchain, IT Professional, vol. 21, no. 05, pp. 18-25, 2019. doi: 10.1109/MITP.2019.2929503
• Burcu Sayin, Serap Sahin, Dimitrios G. Kogias, Charalampos Z. Patrikakis, "Privacy Issues in Post Dissemination on Facebook", in Ad Hoc Networks, vol. 93, Article 101893. 10.1016/j.adhoc.2019.101893.
• Xevgenis, M.; Kogias, D.G.; Karkazis, P.; Leligou, H.C.; Patrikakis, C. “Application of Blockchain Technology in Dynamic Resource Management of Next Generation Networks”, Information 2020, 11, 570.
• Jens Ducrée, Martin Etzrodt, Sönke Bartling, Ray Walshe, Tomás Harrington, Neslihan Wittek, Sebastian Posth, Kevin Wittek, Andrei Ionita, Wolfgang Prinz, Dimitrios Kogias, Tiago Paixão, Iosif Peterfi, James Lawton, “Unchaining Collective Intelligence for Science, Research and Technology Development by Blockchain-Boosted Community Participation”, Frontiers in Blockchain, Vol.4, 2021, DOI=10.3389/fbloc.2021.631648.
• Michael Xevgenis, Dimitrios G. Kogias, Ioannis Christidis, Charalampos Patrikakis and Helen C. Leligou, “Evaluation of a Blockchain-Enabled Resource Management Mechanism for NGNs”, in the International Journal of Network Security & Its Applications (IJNSA), Vol. 13, N.05, September 2021.
• Kasnesis, P., Doulgerakis, V., Uzunidis, D., Kogias, D. G., Funcia, S. I., González, M. B., Giannousis, C., & Patrikakis, C. Z. (2022). “Deep Learning Empowered Wearable-Based Behavior Recognition for Search and Rescue Dogs”, Sensors (Basel, Switzerland), 22(3), 993. https://doi.org/10.3390/s22030993
• Katsadouros, E., Kogias, D. G., Patrikakis, C. Z., Giunta, G., Dimou, A., & Daras, P., “Introducing the Architecture of FASTER: A Digital Ecosystem for First Responder Teams”, Information 2022, 13, 115
• Xevgenis, Michael, Dimitrios G. Kogias, Panagiotis A. Karkazis, and Helen C. Leligou. 2023. "Addressing ZSM Security Issues with Blockchain Technology" Future Internet 15, no. 4: 129. https://doi.org/10.3390/fi15040129.
• Polychronaki, Maria, Dimitrios G. Kogias, Helen C. Leligkou, and Panagiotis A. Karkazis. 2023. "Blockchain Technology for Access and Authorization Management in the Internet of Things" Electronics 12, no. 22: 4606. https://doi.org/10.3390/electronics12224606.
• Stamatakis, Dimitrios, Dimitrios G. Kogias, Pericles Papadopoulos, Panagiotis A. Karkazis, and Helen C. Leligou. 2024. "Blockchain-Powered Gaming: Bridging Entertainment with Serious Game Objectives" Computers 13, no. 1: 14. https://doi.org/10.3390/computers13010014

Κεφάλαια Βιβλίων:

• Dimitris Kogias, Gurkan Tuna and Vehbi Cagri Gungor, "Cognitive Radio Networks for Smart Grid Communications Potential Applications, Protocols, and Research Challenges", in Smart Grid: Networking, Data Management, and Business Models, pp. 3-27, April 2016, CRC Press, https://doi.org/10.1201/b19664-3.
• D. Kogias, M. Michailidis, S. Potirakis, S. Vassiliadis, “Communication protocols for vital signs sensors used for the monitoring of athletes”, in Smart Textiles and Their Applications" - 1st Edition, Elsevier, 2016.
• Dimitrios G. Kogias, E. T. Michailidis, Gurkan Tuna, Vehbi Cagri Gungor, “Realizing the Wireless Technology in Internet of Things (IoT)”, in Emerging Wireless Communication and Network Technologies: Principle, Paradigm and Performance, Springer, June, 2018.  
• Anastasios Dimou, Dimitrios G. Kogias, Panagiotis Trakadas, Fabio Perossini, Maureen Weller, Olivier Balet, Charalampos Z. Patrikakis, Theodore Zahariadis, and Petros Daras, “FASTER: First Responder Advanced Technologies for Safe and Efficient Emergency Response”, in Technology Development for Security Practitioners, Springer International Publishing, pp. 447-460, July 2021.
• Polychronaki, Maria, Dimitrios G. Kogias, and Charalampos Z. Patrikakis. "Identity Management in Internet of Things with Blockchain." Blockchain based Internet of Things. Springer, Singapore, 2022. 209-236.

Συνέδρια:

• Konstantinos Oikonomou, Dimitris Kogias, Leonidas Tzevelekas and Ioannis Stavrakakis, “Investigation of Information Dissemination Design Criteria in Large- Scale Network Environments”, in the 13th Panhellenic Conference on Informatics, 10 – 12 September 2009, Corfu, Greece.
• Konstantinos Oikonomou, Dimitris Kogias and Ioannis Stavrakakis, “A Study of Information Dissemination Under Multiple Random Walkers and Replication Mechanisms”, in the 2nd International Workshop on Mobile Opportunistic Networking ACM/SIGMOBILE MobiOpp, 22 – 23 February 2010, Pisa, Italy.
• Dimitris Kogias, Konstantinos Oikonomou and Ioannis Stavrakakis, "Replicated Random Walks for Service Advertising in Unstructured Environments", 7th IFIP Annual Mediterranean Ad Hoc Networking Workshop (Med-Hoc-Net), 23-27 June 2008, Palma de Mallorca, Spain.
• M. Xevgenis, L. Toumanidis, D. Kogias, C. Patrikakis, “The Virtual Lab (VLAB) Cloud Solution”, in Globecom Workshops, DOI: 10.1109/GLOCOMW.2016.7849065 December 4 -8, 2016.
• P. Kasnesis, L. Toumanidis, D. Kogias, C. Z. Patrikakis, I. Venieris, “ASSIST: An Agent Based SIoT Simulator”, in the 2016 IEEE 3rd World Forum on Internet of Things, WF-IoT, 12-14 December 2016, DOI: 10.1109/WF-IoT.2016.7845409.
• I. Papadopoulos, D. Kogias, C. Patrikakis, C. Marinou, “Enhancing the Student’s Logical Thinking with Gherkin Language”, in the IEEE Global Engineering Education Conference (EDUCON 2017), 25-28 April, Athens Greece, 2017.
• E. Katsadouros, D. Kogias, L. Toumanidis , C. Chatzigeorgiou, C. Patrikakis, “Teaching Network Security Through a Scavenger Hunt Game”, in the IEEE Global Engineering Education Conference (EDUCON 2017), 25-28 April, Athens Greece, 2017.
• Michael Xevgenis, Dimitrios Kogias, Helen Leligou, Christos Chatzigeorgiou, Michalis Feidakis and Charalampos Patrikakis, “A survey on the available blockchain platforms and protocols for Supply Chain Management”, IOT4SAFE 2020 the 1st International Workshop on IoT infrastructures for safety in pervasive environments, June 2, 2020 (Virtual).
• C. Patrikakis, D. Kogias, C. Chatzigeorgiou, D. Kalyvas, E. Katsadouros, C. Giannoussis, “A method for measuring urban space density of people and deliver notification, with respect to privacy”, on the Special Technical Session of Interconnected Infrastructures and Applications with emphasis on Security” of the 39th International Conference on Consumer Electronics (ICCE), 10-12 January 2021.
• Maria Polychronaki, Constantinos Vassilakis, Dimitrios Kogias, Eleni Leligkou and Ioannis Vagiannis, “OPTORER PPE – Optimal routing and exploration of touristic and cultural areas of interest within Attica given personalized adaptive preferences, promoted underlying purpose and interactive experience”, at the 26th Pan-Hellenic Conference on Informatics, 25-27 November 2022, Athens, Greece.
• Margaritis, D., Leligou, H.C., Kogias, D.G., “One Dimensional Fingerprinting as an Alternative to the Free Space Path Loss Equation for Indoor Positioning”. In: Novel & Intelligent Digital Systems: Proceedings of the 3rd International Conference (NiDS 2023). NiDS 2023. Lecture Notes in Networks and Systems, vol 783. Springer, Cham. https://doi.org/10.1007/978-3-031-44097-7_32. (Best Paper Award).

Βιβλία:

• Πατρικάκης, Χ., Λελίγκου, Ε., & Κόγιας, Δ. (2023). Αλυσίδες Συστοιχιών (Blockchain) [Μεταπτυχιακό εγχειρίδιο]. Κάλλιπος, Ανοικτές Ακαδημαϊκές Εκδόσεις. https://dx.doi.org/10.57713/kallipos-171

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Προπτυχιακά μαθήματα

• Λειτουργικά Συστήματα (8ο εξάμηνο)

• Διαδίκτυο των Πραγμάτων (8ο εξάμηνο)

• Βάσεις Δεδομένων (8ο εξάμηνο)

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Μεταπτυχιακά μαθήματα

• 2021 – σήμερα: Διδασκαλία του Μαθήματος “Knowledge Representation and Big Data” στο Μεταπτυχιακό της Τεχνητής Νοημοσύνης και της Βαθιάς Μάθησης στο Πανεπιστήμιο Δυτικής Αττικής (Τμήμα Ηλεκτρολόγων και Ηλεκτρονικών Μηχανικών)
• 2019 – σήμερα: Διδασκαλία του Μαθήματος «Τεχνολογίες Αλυσίδας Συστοιχιών & Κατανεμημένου Καθολικού» στο Μεταπτυχιακό της Κυβερνοασφάλειας στο Πανεπιστήμιο Δυτικής Αττικής (τμήμα Μηχανικών Πληροφορικής και Υπολογιστών).  

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Βιογραφικό Σημείωμα

Γνωστικό Αντικείμενο (ΦΕΚ): Μηχανική Μάθηση με εφαρμογές σε ενσωματωμένα συστήματα

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Σπουδές

2007 - Διδακτορικό Δίπλωμα, Department of Electrical Engineering, Mathematics and Computer Science, Delft University of Technology, The Netherlands

2003 - Μεταπτυχιακό Δίπλωμα Ειδίκευσης, Τμήμα Ηλεκτρονικών Μηχανικών και Μηχανικών Η/Υ, Πολυτεχνείο Κρήτης

2001 - Δίπλωμα Ηλεκτρονικού Μηχανικών και Μηχανικών Η/Υ, Πολυτεχνείο Κρήτης

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Ερευνητικά Ενδιαφέροντα

• Ψηφιακά συστήματα
• Ενσωματωμένα συστήματα
• Αναδιατασσόμενη Λογική (FPGA)
• Μηχανική Μάθηση (machine learning)
• Επιτάχυνση Υλικού (hardware acceleration)
• Υπολογιστικά Συστήματα Υψηλών επιδόσεων (HPC)

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Αντιπροσωπευτικές Δημοσιεύσεις

• C. Kardaris, C. Kachris, D. Soudris, A high-performance FPGA architecture for Acceleration of SVM Machine Learning Training, 2022 Panhellenic Conference on Electronics & Telecommunications (PACET), pp. 1-6
• G. Tzanos, C. Kachris, D. Soudris, Hardware Acceleration of Transformer Networks using FPGAs, 2022 Panhellenic Conference on Electronics & Telecommunications (PACET), pp. 1-5
• D. Danopoulos, K. Anagnostopoulos, C. Kachris, D. Soudris, FPGA Acceleration of Generative Adversarial Networks for Image Reconstruction, 10th International Conference on Circuits and Systems Technologies (MOCAST 2021), September 2021
• D. Danopoulos, C. Kachris, D. Soudris Covid4HPC: A Fast and Accurate Solution for Covid Detection in the Cloud using X-Rays, International Symposium on Applied Reconfigurable Computing (ARC), July 2021
• D. Danopoulos, C. Kachris, D. Soudris, Utilizing Cloud FPGAs towards the Open Neural Network Standard, 11th IEEE International Green and Sustainable Computing Conference (IGSC 2020), October 2020
• A. Zoulkarni, C. Kachris, D. Soudris, Hardware Acceleration of Decision Tree Learning Algorithm, International Conference on Modern Circuits and Systems Technologies (MOCAST) on Electronics and Communications, MOCAST 2019, Bremen, Germany, May 2020 (Best Paper Award nomination)
• D. Danopoulos, C. Kachris, D. Soudris, Automatic Generation of FPGA Kernels From Open Format CNN Models, The 28th IEEE International Symposium on Field-Programmable Custom Computing Machines, FCCM 2020, Fayetteville, Arkansas, USA, May 2020
• D. Danopoulos, C. Kachris, D. Soudris, Approximate Similarity Search with FAISS framework using FPGAs on the cloud, International Conference on Embedded Computer Systems, Architecture Modeling and Simulation (SAMOS), July 7-11 2019, Samos Greece
• D. Danopoulos, C. Kachris, D. Soudris, FPGA Acceleration of Approximate KNN Indexing on High-Dimensional Vectors, 14th International Symposium on Reconfigurable Communication-centric Systems-on-Chip (ReCoSoC 2019), July 1-3 2019, York - United Kingdom
• G. Tzanos, C. Kachris, D. Soudris, Hardware Acceleration on Gaussian Naive Bayes Machine Learning Algorithm, International Conference on Modern Circuits and Systems Technologies (MOCAST) on Electronics and Communications, MOCAST 2019, May 2019, Greece
• E. Koromilas, C. Kachris, D. Soudris, FJ. Ballesteros, P. Martinez, Modular FPGA Acceleration of Data Analytics in Heterogenous Computing, 2019 Design, Automation & Test in Europe Conference & Exhibition (DATE), 626-629
• I. Stamelos, E. Koromilas, C. Kachris, D. Soudris, A Novel Framework for the Seamless Integration of FPGA Accelerators with Big Data Analytics Frameworks in Heterogeneous Data Centers, 2018 International Conference on High Performance Computing & Simulation (HPCS), pp. 539-545., 2018
• D. Danopoulos, C. Kachris, D. Soudris, Acceleration of image classification with Caffe framework using FPGA, 2018 7th International Conference on Modern Circuits and Systems Technologies (MOCAST), May 2018
• K Katsantonis, C Kachris, D Soudris, Efficient Hardware Acceleration of Recommendation Engines: A Use Case on Collaborative Filtering, Applied Reconfigurable Computing, ARC April 2018
• C Kachris, I Stamelos, E Koromilas, D Soudris, Seamless FPGA Deployment over Spark in Cloud Computing: A Use Case on Machine Learning Hardware Acceleration, Applied Reconfigurable Computing, ARC April 2018

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Προπτυχιακά μαθήματα

• EEE.3.4 “Σχεδίαση Ψηφιακών Συστημάτων”
• ΕΕΕ.4.2 "Αρχιτεκτονική  Υπολογιστικών Συστημάτων"

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Μεταπτυχιακά μαθήματα

• M.Sc. Artificial Intelligence & Deep Learning: Data Centers and Infrastructure for supporting AI

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Βιογραφικό Σημείωμα

Γνωστικό Αντικείμενο: Βιοϊατρική Τεχνολογία

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Σπουδές

2019 – Διδακτορικό: Πανεπιστήμιο Πειραιά, Σχολή Τεχνολογιών Πληροφορικής και Επικοινωνιών - Τμήμα Ψηφιακών Συστημάτων,
           Τίτλος: «Υπηρεσίες διαλειτουργικότητας δεδομένων με εφαρμογή σε ετερογενείς υποδομές και εφαρμογές υγείας»

2015 – Μεταπτυχιακό Δίπλωμα: Πανεπιστήμιο Πειραιά/ Universidad Politecnica de Madrid, Σχολή Τεχνολογιών Πληροφορικής και Επικοινωνιών -
           Τμήμα Ψηφιακών Συστημάτων/ Escuela Tecnica Superior de Ingenieros Informaticos - Facultad de Informatica,
            Τίτλος: «Parallel Fuzzy kMeans Clustering on top of an OLAP database»

2013 – Πτυχίο: Πανεπιστήμιο Πειραιά, Σχολή Τεχνολογιών Πληροφορικής και Επικοινωνιών - Τμήμα Ψηφιακών Συστημάτων,
           Τίτλος: «Παρακολούθηση Ασθενών με Χρόνιες Παθήσεις, με χρήση Υπηρεσιών Ιστού»

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Ερευνητικά Ενδιαφέροντα

Διαχείριση Δεδομένων & Μεγάλα Δεδομένα

• Συλλογή Δεδομένων
• Μοντελοποίηση Δεδομένων
• Αποθήκευση Δεδομένων
• Προεπεξεργασία Δεδομένων
• Διαλειτουργικότητα Δεδομένων

Πληροφοριακά Συστήματα & Ανάπτυξη Λογισμικού

• Σχεδίαση Συστημάτων
• Ανάπτυξη Λογισμικού
• Γλώσσες Προγραμματισμού
• Υπηρεσιοστρεφείς Αρχιτεκτονικές
• Μικροϋπηρεσίες
• Υπολογιστικά Νέφη
• Πληροφοριακά Συστήματα Υγείας

Παγκόσμιος Ιστός      

• Σημασιολογικός Ιστός
• Διαδικτυακές Εφαρμογές

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Αντιπροσωπευτικές Δημοσιεύσεις

Διεθνή Επιστημονικά Περιοδικά

• Symvoulidis, C., Kiourtis, A., Marinos, G., Totow Tom-Ata, J. D., Manias, G., Mavrogiorgou, A., & Kyriazis, D. (2023), A User Mobility-based Data Placement Strategy in a Hybrid Cloud / Edge Environment using a Causal-aware Deep Learning Network, In IEEE Transactions on Computers Journal (TC), pp. 1-14, IEEE. doi: 10.1109/TC.2023.3311921
• Kiourtis, A., Poulakis, Y., Karamolegkos, P., Karabetian, A., Voulgaris, K., Mavrogiorgou, A., & Kyriazis, D. (2023), Diastema: Data-driven Stack for Big Data Applications Management and Deployment, In International Journal of Big Data Management (IJBDM), Volume 3, Issue 1, pp. 1-27, Inderscience. doi: 10.1504/IJBDM.2023.10048598
• Kiourtis, A., Mavrogiorgou, A., & Kyriazis, D. (2023, April), A Computer Vision-based IoT Data Ingestion Architecture Supporting Data Prioritization, In Health and Technology (HEAL), pp. 1-21, Springer. doi: 10.1007/s12553-023-00748-0
• Mavrogiorgou, A., Kiourtis, A., Manias, G., Symvoulidis, C., & Kyriazis, D. (2023, February), Batch and Streaming Data Collection towards Creating Holistic Health Records, In Emerging Science Journal (ESJ), Volume 7, Issue 2, pp. 339-353, Ital Publication. doi: 10.28991/ESJ-2023-07-02-03
• Mavrogiorgou, A., Kiourtis, A., Kleftakis, S., Mavrogiorgos, K., Zafeiropoulos, N., & Kyriazis, D. (2022, November), A Catalogue of Machine Learning Algorithms for Healthcare Risk Predictions, In Sensors Journal (SENSORS), Volume 22, Issue 22, pp. 8615, MDPI. doi: 10.3390/s22228615
• Kiourtis, A., Mavrogiorgou, A., & Kyriazis, D. (2022, October), Health Information Exchange through a Device-to-Device Protocol supporting Lossless Encoding and Decoding, In Journal of Biomedical Informatics (JBI), Volume 134, p. 104199, Elsevier. doi: 10.1016/j.jbi.2022.104199
• Mavrogiorgos, K., Kiourtis, A., Mavrogiorgou, A., & Kyriazis, D. (2022, October), Self-adaptable Infrastructure Management for Analyzing the Efficiency of Big Data Stores, In Journal of Advances in Information Technology (JAIT), Volume 13, Issue 5, pp. 423-432, JAIT. doi: 10.12720/jait.13.5.423-432
• Symvoulidis, C., Marinos, G., Kiourtis, A., Mavrogiorgou, A., & Kyriazis, D. (2022, March), HealthFetch: An influence-based, context-aware prefetch scheme in citizen-centered health storage clouds, In Future Internet Journal (FI), Volume 14, Issue 4, p. 112, MDPI. doi: 10.3390/fi14040112
• Kiourtis, A., Mavrogiorgou, A., & Kyriazis, D. (2021, June), A Comparative Study of Bluetooth SPP, PAN and GOEP for Efficient Exchange of Healthcare Data, In Emerging Science Journal (ESJ), Volume 5, Issue 3, pp. 279-293, Ital Publication. doi: 10.28991/esj-2021-01276
• Kiourtis, A., Nifakos, S., Mavrogiorgou, A., & Kyriazis, D. (2019, October), Aggregating the Syntactic and Semantic Similarity of Healthcare Data towards their Transformation to HL7 FHIR through Ontology Matching, In International Journal of Medical Informatics (IJMI), Volume 132, p. 104002, Elsevier. doi: 10.1016/j.ijmedinf.2019.104002
• Kiourtis, A., Mavrogiorgou, A., Menychtas, A., Maglogiannis, I., & Kyriazis, D. (2019, February), Structurally Mapping Healthcare Data to HL7 FHIR through Ontology Alignment, In Journal of Medical Systems (JOMS), Volume 43, Issue 3, pp. 62, Springer. doi: 10.1007/s10916-019-1183-y
• Kiourtis, A., Mavrogiorgou, A., Kyriazis, D., Maglogiannis, I., & Themistocleous, M. (2018, December), Exploring the Complete Data Path for Data Interoperability in Cyber-Physical Systems, In International Journal of High Performance Computing and Networking (IJHPCN), Volume 12, Issue 4, pp. 339-349, Inderscience. doi: 10.1504/IJHPCN.2018.096714

Διεθνή Επιστημονικά Συνέδρια

• Kiourtis, A., Mavrogiorgou, A., & Kyriazis, D. (2023, October), Α Cross-sector Data Space for Correlating Environmental Risks with Human Health, In 20th European, Mediterranean and Middle Eastern Conference on Information Systems (EMCIS), (in press), Springer.
• Kiourtis, A., Mavrogiorgou, A., Makridis, G., Fatouros, G., Soldatos. J., & Kyriazis, D. (2023, May), Data Marketplaces: Best Practices, Challenges, and Advancements for Embedded Finance, In 1st Workshop on Next Generation IoT and AI systems for Trusted, Human-Centered Intelligence (TI), pp. 533-540, IEEE. doi: 10.1109/DCOSS-IoT58021.2023.00088
• Karamolegkos, P., Kiourtis, A., Karabetian, A., Voulgaris, K., Poulakis, Y., Mavrogiorgou, A., Filippakis, M., & Kyriazis, D. (2023, January), MathBlock: Performing Complex Mathematical Operations on Synthetic Data, In 15th International Conference on Computer Research and Development (ICCRD), pp. 91-99, IEEE. doi: 10.1109/ICCRD56364.2023.10080594
• Mavrogiorgou, A., Koukos, V., Kouremenou, E., Kiourtis, A., Raikos, A., Manias, G., Kyriazis, D. (2022, September), A Cross-domain Data Marketplace for Data Sharing, In 3rd European Symposium on Software Engineering (ESSE), pp. 72-79, ACM. doi: 10.1145/3571697.3571707
• Mavrogiorgos, K., Mavrogiorgou, A., Kiourtis, A., Kleftakis, S., Zafeiropoulos, N., & Kyriazis, D. (2022, September), Automated Rule-Based Data Cleaning Using NLP, In 32nd Conference of the Open Innovations Association FRUCT (FRUCT), pp.162-168, IEEE. doi: 10.23919/FRUCT56874.2022.9953810
• Kiourtis, A., et al. (2022, July), Electronic Health Records at People’s Hands across Europe: The InteropEHRate Protocols, In 19th International Conference on Wearable, Micro & Nano Technologies for Personalized Health (pHealth), pp. 145-150, IOS Press. doi: 10.3233/SHTI220973
• Kiourtis, A., Karamolegkos, P., Karabetian, A., Voulgaris, K., Poulakis, Y., Mavrogiorgou, A., & Kyriazis, D. (2022, March), An Autoscaling Platform supporting Graph Data Modelling’ Big Data Analytics, In 20th International Conference on Informatics, Management and Technology in Healthcare (ICIMTH), pp. 376-379, IOS Press. doi: 10.3233/SHTI220743
• Kiourtis, A., Graziani, A., Mavrogiorgou, A., Symvoulidis, C., Mavrogiorgos, K., & Kyriazis, D. (2021, November), A Health Information Exchange Protocol Supporting Bluetooth-based Messages, In International Conference on Information Systems and Advanced Technologies (ICISAT), pp. 1-6, IEEE. doi: 10.1109/ICISAT54145.2021.9678450
• Kiourtis, A., Mavrogiorgou, A., & Kyriazis, D. (2021, May), Prioritization of IoT Devices Healthcare Data based on Attribute Scoring and Metadata Annotation, In 5th International Conference on Smart Internet of Things (SmartIoT), pp. 213-220, IEEE. doi: 10.1109/SmartIoT52359.2021.00041
• Kiourtis, A., Mavrogiorgou, A., & Kyriazis, D. (2020, May), A Semantic Similarity Evaluation for Healthcare Ontologies Matching to HL7 FHIR Resources, In 30th Medical Informatics Europe Conference (MIE), pp. 13-17, IOS Press. doi: 10.3233/SHT1200113

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Προπτυχιακά μαθήματα

• EEE.9-3.8 Βιοϊατρική Τεχνολογία

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Μεταπτυχιακά μαθήματα

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Βιογραφικό Σημείωμα

Γνωστικό Αντικείμενο (ΦΕΚ): Γραμμική Άλγεβρα με εφαρμογές στην Επιστήμη του Ηλεκτρολόγου και Ηλεκτρονικού Μηχανικού

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Σπουδές

2011 - Διδακτορικό Δίπλωμα (PhD), Σχολή Εφαρμοσμένων Μαθηματικών και Φυσικών Επιστημών, Εθνικό Μετσόβειο Πολυτεχνείο.

2008 - Μεταπτυχιακό Δίπλωμα, Σχολή Εφαρμοσμένων Μαθηματικών και Φυσικών Επιστημών, Εθνικό Μετσόβειο Πολυτεχνείο.

2004 - Πτυχίο Μαθηματικών, Εθνικό και Καποδιστριακό Πανεπιστήμιο Αθηνών, Σχολή Θετικών Επιστημών

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Ερευνητικά Ενδιαφέροντα

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Αντιπροσωπευτικές Δημοσιεύσεις

• Christos Chorianopoulos, Sotirios Karanasios and Panayiotis Psarrakos, A definition of numerical range of rectangular matrices. Linear and Multilinear Algebra, 57 (2009), 459-475.
• Christos Chorianopoulos, Panayiotis Psarrakos and Frank Uhlig, A method for the inverse numerical range problem. Electronic Journal of Linear Algebra, 20 (2010), 198-206.
• Christos Chorianopoulos and Panayiotis Psarrakos, Birkhoff-James approximate orthogonality sets and numerical ranges. Linear Algebra and its Applications, 434 (2011), 2089-2108.
• Christos Chorianopoulos and Peter Lancaster, Inverse problems for Hermitian quadratic matrix polynomials. Indagationes Mathematicae, 23 (2012), 1070-1086.
• Christos Chorianopoulos and Panayiotis Psarrakos, On the continuity of Birkhoff-James ϵ-orthogonality sets. Linear and Multilinear Algebra, 61 (2013), 1447-1454.
• C. Chorianopoulos and P. Lancaster, An inverse problem for gyroscopic systems, Linear Algebra and its Applications, 465 (2015), 188-203.
• C. Chorianopoulos and Chun-Hua Guo, Numerical range for the matrix exponential function, Electronic Journal of Linear Algebra, 31 (2016), 633-645.
• Christos Chorianopoulos, A note on the structure of normal Hamiltonian matrices, Operators and Matrices, 2 (2021), 15-31.
• Aik. Aretaki and Ch. Chorianopoulos, On the envelope of some classes of 3 by 3 matrices, Appl. Math. Comput., 430 (2022), 127271.
• Ch. Chorianopoulos and P.J. Psarrakos, On the shell and the shell–extremal eigenvalues of a square matrix. Linear Algebra Appl., 665 (2023), 354–381.
• Ch. Chorianopoulos, Shell–extremal eigenvalues of tridiagonal Toeplitz matrices. Electronic Journal of Linear Algebra, 39 (2023), 572-590.

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Προπτυχιακά μαθήματα

• Γραμμική Άλγεβρα
• Μαθηματική Ανάλυση Ι
• Πιθανότητες και Στατιστική
• Διαφορικές Εξισώσεις

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Μεταπτυχιακά μαθήματα

• Επιστημονική Υπολογισμοί και Μαθηματική Μοντελοποίηση

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Βιογραφικό Σημείωμα