Publications : 2018 - 2019 Journal Articles G. Tsaousoglou, K. Steriotis, N. Efthymiopoulos, K. Smpoukis, P. Makris, E. Varvarigos, Near-optimal demand side management for retail electricity markets with strategic users and coupling constraints, Sustainable Energy, Grids and Networks, Elsevier, Vol. 19, Sept 2019. P. Kokkinos, P. Soumplis and E. A. Varvarigos, Pattern-Driven Resource Allocation in Optical Networks, IEEE Transactions on Network and Service Management, vol. 16 (2), pp. 489-504, 2019. N. Sambo, K. Christodoulopoulos, N. Argyris, P. Giardina, C. Delezoide, D. Roccato, A. Percelsi, R. Morro, A. Sgambelluri, A. Kretsis, G. Kanakis, G. Bernini, E. Varvarigos, P. Castoldi, Field Trial: Demonstrating Automatic Reconfiguration of Optical Networks Based on Finite State Machine, IEEE/OSA Journal of Lightwave Technologies, vol. 37 (16), pp. 4090-4097, Aug. 2019. C. Kyriakopoulos, P. Nicopolitidis, G. I. Papadimitriou, and E. Varvarigos, Fast Energy-Efficient Design in Elastic Optical Networks Based on Signal Overlap, IEEE Access, Vol. 7, pp. 113931-113941, Aug. 2019. N. Sambo, K. Christodoulopoulos, N. Argyris, P. Giardina, C. Delezoide, A. Sgambelluri, A. Kretsis, G. Kanakis, F. Fresi, G. Bernini, H. Avramopoulos, E. Varvarigos, P. Castoldi, Experimental demonstration of a fully disaggregated and automated white box comprised of different types of transponders and monitors, IEEE/OSA Journal of Lightwave Technologies, vol. 37 (3), pp. 824-830, March 2019. C. Delezoide, K. Christodoulopoulos, A. Kretsis, P. Giardina, N. Sambo , R. Roccato, A. Percelsi, R. Morro, H. Avramopoulos, E. Varvarigos, P. Castoldi, P. Layec, S. Bigo, "Marginless Operation of Optical Network", IEEE/OSA Journal of Lightwave Technologies, vol. 37 (7), pp. 1698-1705, 2019. I. Sartzetakis, K. Christodoulopoulos, E. Varvarigos, "Accurate Quality of Transmission Estimation With Machine Learning,"IEEE/OSA Journal of Optical Communications and Networking (JOCN), Vol. 11(3), pp. 140-150, 2019. I. Mamounakis, N. Efthymiopoulos, D.J. Vergados, G. Tsaousoglou, P. Makris, E. Varvarigos, "A pricing scheme for electric utility’s participation in day-ahead and real-time flexibility energy markets", Springer Journal of Modern Power Systems and Clean Energy, March 2019. I. Mamounakis, N. Efthymiopoulos, P. Makris, D. J. Vergados, G. Tsaousoglou, E. Varvarigos, "A novel pricing scheme for managing virtual energy communities and promoting behavioral change towards energy efficiency", Electric Power Systems Research, Elsevier, Vol. 167, pp. 130-137, 2019. G. Tsaousoglou, N. Efthymiopoulos, P. Makris, E. Varvarigos, "Personalized real time pricing for efficient and fair demand response in energy cooperatives and highly competitive flexibility markets", Journal of Modern Power Systems and Clean Energy, vol. 7 (1), pp. 151-162, 2019. A. Siokis, K. Christodoulopoulos, E. Varvarigos, "A Layout Model for Optical Interconnects Based on λ- Routing Grids and Topology Embeddings", IEEE/OSA Journal of Optical Communications and Networking (JOCN), Vol. 10, Issue 11, pp. 852-865, 2018. N. Doulamis, A. Doulamis, and E. Varvarigos, Virtual Associations of Prosumers for Smart Energy Networks under a RES Split Model, IEEE Transactions on Smart Grid, Vol. 9(6), pp. 6069-6083, 2018. K. Steriotis, G. Tsaousoglou, N. Efthymiopoulos, P. Makris, E. Varvarigos, "Real-time pricing in environments with shared energy storage systems", Energy Efficiency, pp. 1-20, August 2018 I. Sartzetakis, N. Sambo, K. Christodoulopoulos, P. Castoldi, and E. Varvarigos, "Exploiting Spectrum Sharing for Soft Failure Recovery", IEEE/OSA Journal of Optical Communications and Networking (JOCN), Vol. 10(8), pp. 653-661, 2018. G. Landi, M. Capitani, A. Kretsis, K. Kontodimas, P. Kokkinos, D. Gallico, K. Christodoulopoulos, E. Varvarigos, "Inter-Domain Optimization and Orchestration for Optical Datacenters Networks", IEEE/OSA Journal of Optical Communications and Networking (JOCN), Vol. 10(7), pp. B140-B151, 2018. K. Steriotis, G. Tsaousoglou, N. Efthymiopoulos, P. Makris, E. Varvarigos, "A Novel Behavioral Real Time Pricing Scheme for the Active Energy Consumers’ Participation in Emerging Flexibility Markets, Sustainable Energy", Grids and Networks, Elsevier, Vol. 16, pp. 14-27, 2018. P. Papanikolaou, K. Christodoulopoulos, and E. Varvarigos, "Optimization Techniques for Incremental Planning of Multilayer Elastic Optical Networks", IEEE/OSA Journal of Optical Communications and Networking (JOCN), vol. 10 (3), pp. 183-194, March 2018. P. Bakopoulos, K. Christodoulopoulos, G. Landi, A. Muzzamil, E. Zahavi, D. Gallico, R. Pitwon, K. Tokas, I. Patronas, M. Capitani, K. Yiannopoulos, K. Wang, K. Kontodimas, I. Lazarou, P. Wieder, D. Reisis, M. Biancani, E. Varvarigos, H. Avramopoulos, "NEPHELE: an end-to-end scalable and dynamically reconfigurable optical architecture for application-aware SDN cloud datacenters", IEEE Communications Magazine, 56 (2), pp. 178-188, 2018. I. Gravalos, P. Makris, K. Christodoulopoulos, E. A. Varvarigos, "Efficient Network Planning for Internet of Things with QoS Constraints", IEEE Internet of Things, 2018. P. Soumplis, K. Christodoulopoulos, M. Quagliotti, A. Pagano, E. Varvarigos, "Multi-period Planning with Actual Physical and Traffic Conditions", IEEE/OSA Journal of Optical Communications and Networking (JOCN), Vol. 10 (1), pp. A144-A153, 2018. (invited) P. Makris, N. Efthymiopoulos, E. Varvarigos, V. Nikolopoulos, A. Pomazanskyi, B. Irmscher, K. Stefanov, K. Pancheva, "Digitization era for progressive electric utilities: A novel business model through an inter-disciplinary S/W platform and open research challenges", IEEE Access 6, 22452-22463, 2018. I. Sartzetakis, K. Christodoulopoulos, E. Varvarigos, "Cross-Layer Adaptive Elastic Optical Networks", IEEE/OSA Journal of Optical Communications and Networking (JOCN), 10 (2), A154-A164, 2018. (invited) Conference Proceedings G. Tsaousoglou, K. Steriotis, E. Varvarigos, A stochastic approximation method for price-based assignment of autonomous EVs to Charging Stations, 2019 IEEE International Conference on Smart Energy Systems and Technologies (SEST), pp. 1-6, 2019. P. Makris, D. J. Vergados, I. Mamounakis, G. Tsaousoglou, K. Steriotis, N. Efthymiopoulos, E. Varvarigos, “A Novel Research Algorithms and Business Intelligence Tool for Progressive Utility’s Portfolio Management in Retail Electricity Markets”, accepted in IEEE ISGT Europe 2019, Bucharest, Romania, 29 September-2 October 2019. K. Kontodimas, K. Christodoulopoulos, E. Varvarigos, "Simplifying Optical DCN Fabrics with Blocking Space Switching and Wavelength-Constrained WDM", ONDM 2019, Athens, May 2019. K. Christodoulopoulos, I. Sartzetakis, P. Soumplis, E. Varvarigos, “Machine Learning Assisted Quality of Transmission Estimation and Planning with Reduced Margins”, 2019 International Conference on Optical Network Design and Modeling (ONDM 2019). (invited) K. Christodoulopoulos, K. Kontodimas, L. Dembeck, E. Varvarigos, "Slotted Optical Datacenter Networks with Sub-wavelength Resource Allocation", Optical Fiber Communications Conference (OFC 2019), W1J. 1. (invited) I. Sartzetakis, K. Christodoulopoulos, E. Varvarigos, "Formulating QoT Estimation with Machine Learning", ECOC 2018, Roma, Sept 2018. C. Delezoide, K. Christodoulopoulos, A. Kretsis, N. Argyris, G. Kanakis, A. Sgambelluri, N. Sambo, P. Giardina, G. Bernini, D. Roccato, A. Percelsi, R. Morro, H. Avramopoulos, E. Varvarigos, P. Castoldi, P. Layec and S. Bigo, "Field Trial of Marginless Operations of An Optical Network Facing Ageing and Performance Fluctuations", ECOC 2018. Roma, Sept 2018. K Tokas, C Spatharakis, I Patronas, P Bakopoulos, G Landi, K Christodoulopoulos, M Capitani, A Kyriakos, M Aziz, R Pitwon, D Gallico, D Reisis, E Varvarigos, E Zahavi, H Avramopoulos, "Real Time Demonstration of an End-to-End Optical Datacenter Network with Dynamic Bandwidth Allocation", ECOC 2018, Roma, Sept 2018. P. Kokkinos, A. Kretsis, E. Varvarigos, "Virtual Resource Consolidation in the Edge for 5G Networks", 2018 IEEE 29th Annual International Symposium on Personal, Indoor, and Mobile Radio Communications (PIMRC), Bologna, Sept 2018. A. Kretsis, P. Soumplis, K. Christodoulopoulos, E. Varvarigos, "DEPLOY Tool: Incrementally Planning Marginless Elastic Optical Networks", ICTON 2018, Bucharest, Romania, July 2018. (invited) C. Delezoide, K. Christodoulopoulos, A. Kretsis, N. Argyris, G. Kanakis, A. Sgambelluri, N. Sambo, P. Giardina, G. Bernini, D. Roccato, A. Percelsi, H. Avramopoulos, E. Varvarigos, P. Castoldi, P. Layec, and S. Bigo, "Pre-Emptive Detection and Localization of Failures Towards Marginless Operations of Optical Networks", ICTON 2018, Bucharest, Romania, July 2018. (invited) K. Steriotis, G. Tsaousoglou, N. Efthymiopoulos, P. Makris, E. Varvarigos, Development of Real time energy pricing schemes that incentivize behavioral changes, IEEE International Energy Conference (ENERGYCON), pp. 1-6, 2018 K. Kontodimas, K. Christodoulopoulos, E. Zahavi, E. Varvarigos, Resource Allocation in Slotted Optical Data Center Networks, 22nd International Conference Optical Network Design and Modelling (ONDM 2018) (invited). I. Mamounakis, N. Efthymiopoulos, G. Tsaousoglou, D. J. Vergados, P. Makris, E. Varvarigos, "A Novel Pricing Scheme for Virtual Communities Towards Energy Efficiency", 5th IEEE International Energy Conference (ENERGYCON 2018). P. Makris, N. Efthymiopoulos, D. J. Vergados, E. Varvarigos, V. Nikolopoulos, J. Papagiannis, A. Pomazanskyi, B. Irmscherd, K. Stefanove, K. Panchevae, A. Georgie, "SOCIALENERGY: A Gaming and Social Network Platform for Evolving Energy Markets’ Operation and Educating Virtual Energy Communities", 5th IEEE International Energy Conference (ENERGYCON 2018). P. Bakopoulos, K. Tokas, C. Spatharakis, I. Patronas, G. Landi, K. Christodoulopoulos, M. Capitani, A. Kyriakos, M. Aziz, D. Reisis, E. Varvarigos, E. Zahavi, H. Avramopoulos, "Optical datacenter network employing slotted (TDMA) operation for dynamic resource allocation”, Optical Interconnects XVIII, Vol. 10538, SPIE OPTO, San Francisco, CA, March 2018. G. Landi, M. Capitani, A. Kretsis, P. Kokkinos, K. Christodoulopoulos, E. Varvarigos, "Joint Intra- and Inter-Datacenter Network Optimization and Orchestration", Optical Fiber Communication Conference (OFC 2018), Th2A.34 , San Diego, March 2018. N. Sambo, K. Christodoulopoulos, N. Argyris, P. Giardina, C. Delezoide, A. Sgambelluri, A. Kretsis, G. Kanakis, F. Fresi, G. Bernini, H. Avramopoulos, E. Varvarigos, P. Castoldi, "Experimental demonstration of fully disaggregated white box including different types of transponders and monitors, controlled by NETCONF and YANG", Optical Fiber Communication Conference (OFC 2018), paper M4A.3 , San Diego, March 2018. K. Christodoulopoulos, N. Sambo, N. Argyris, P. Giardina, G. Kanakis, A. Kretsis, F. Fresi, A. Sgambelluri, G. Bernini, C. Delezoide, F. Cugini, H. Avramopoulos, E. Varvarigos, "Observe-Decide-Act: Experimental Demonstration of a Self-Healing Network", Optical Fiber Communication Conference (OFC 2018), paper M3A.7 , San Diego, March 2018. I. Patronas, N. Gkatzios, V. Kitsakis, D. Reisis, K. Christodoulopoulos, E. Varvarigos, "Scheduler Accelerator for TDMA Data Centers", 26th IEEE Euromicro International Conference on Parallel, Distributed and Network-based Processing (PDP), pp. 162-169, March 2018.