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Timestamp: 2019-04-25 08:37:09+00:00

Document:
M. Paraskevas, T. Zarouchas, P.Angelopoulos, I.Perikos, «Formulating an adaptable e-training framework to computer science educators», Int. J. Continuing Engineering Education and Life-Long Learning, Vol. 25, No. 2, pp.151–173.
P. Sarigiannidis, P. Nicopolitidis, G. Papadimitriou, E. Varvarigos, Towards Power Consumption in Optical Networks: A Cognitive Prediction-Based Technique, to appear in the International Journal of Communication Systems, Wiley.
I. Gravalos, K. Yiannopoulos, G. Papadimitriou and E. A. Varvarigos, The Max-Min Fair Approach on Dynamic Bandwidth Allocation for XG-PONs, to appear Transactions on Emerging Telecommunications Technologies, Wiley.
P. Melidis, P. Nicopolitidis, G. Papadimitriou, E. Varvarigos, Green Optical Backbone Networks: Virtual Topology Adaptation using a Page Rank-based Rating System, accepted to International Journal of Communication Systems.
P. Papanikolaou, P. Soumplis, K. Manousakis, G. Papadimitriou, G. Ellinas, K. Christodoulopoulos, E. Varvarigos, Minimizing Energy and Cost in fixed-grid and flex-grid networks, to appear in IEEE/OSA Journal of Optical Communications and Networking (JOCN).
V. Gkamas, K. Christodoulopoulos, E. Varvarigos, A joint multi-layer planning algorithm for IP over flexible optical networks, Journal of Lightwave Technology, 33(14), pp. 2965-2977, 2015.
V. Gkamas, K. Christodoulopoulos, D. J. Vergados, E. Varvarigos, Energy-minimized design of IP over flexible optical networks, International Journal of Communication Systems, 2015.
I. Mamounakis, K. Yiannopoulos, G. Papageorgiou, and E. Varvarigos, "Optical Network Unit Based Traffic Prediction for Ethernet Passive Optical Networks", to appear IET Circuits, Devices and Systems, Special Issue on Photonic and RF Communications Systems.
V. Gkantouna, M. Manousos, E. Viennas, Z-M. Ioannou, M. Paraskevas, G. Lagoumintzis, Z. Zagoriti, G. Patrinos, G. Tzimas and K. Poulas, «Introducing dAUTObase: a first step towards the global scale geoepidemiology of autoimmune syndromes and diseases», Accepted for publication to BioInformatics, Oxford Journals, Sep. 2014 (http://bioinformatics.oxfordjournals.org/).
S.Louvros and M. Paraskevas, «Analytical Average Throughput and Delay Estimations for LTE Uplink Cell EDGE Users», Computers & Electrical Engineering, Elsevier, Vol. 40, July 2014, ISSN 0045-7906.
E. Varvarigos, K. Christodoulopoulos, "Algorithmic Aspects in Planning Fixed and Flexible Optical Networks with Emphasis on Linear Optimization and Heuristic Techniques", Journal of Lightwave Technology, Volume: 32 , Issue: 4, pp. 681 - 693, 2014 (invited tutorial).
A. Kretsis, K. Christodoulopoulos, P. Kokkinos, E. Varvarigos, "Planning and Operating Flexible Optical Networks: Algorithmic Issues and Tools", IEEE Communications Magazine, special issue on Advances in Network Planning, Vol. 52(1), pp. 61-69, 2014.
K. Christodoulopoulos, P. Soumplis, E. Varvarigos, Planning Flexgrid Optical Networks under Physical Layer Constraints, Journal of Optical Communications and Networking (JOCN), Vol. 5, No. 11, pp. 1296-1311, Nov. 2013.
P. Kokkinos, C. Papageorgiou, E. A. Varvarigos, Multi-cost Routing for Energy and Capacity Constrained Wireless Mesh Networks, Wireless Communications and Mobile Computing, Wiley, 13 (4) , pp. 424-438, (2013).
K. Manousakis, A. Angeletou, E. Varvarigos, Energy Efficient RWA Strategies for WDM Optical Networks, Journal of Optical Communications and Networking Vol. 5, Iss. 4, pp. 338–348 (2013).
K. Seklou, A. Sideri, P. Kokkinos, E. Varvarigos, New Assembly Techniques and Fast Reservation Protocols for Optical Burst Switched Networks Based on Traffic Prediction, Optical Switching and Networking, 10 (2) , pp. 132-148, 2013.
Konstantinos Christodoulopoulos, Ioannis Tomkos, Emmanouel A. Varvarigos: Time-Varying Spectrum Allocation Policies and Blocking Analysis in Flexible Optical Networks. IEEE Journal on Selected Areas in Communications 31(1): 13-25 (2013).
E. Palkopoulou, M. Angelou, D. Klonidis, K. Christodoulopoulos, A. Klekamp, F. Buchali, E. Varvarigos, I. Tomkos, Quantifying Spectrum, Cost, and Energy Efficiency in Fixed-Grid and Flex-Grid Networks, Journal of Optical Communications and Networking (JOCN), Vol. 4 (11) , art. no. 6360168 , pp. B42-B51, 2012 (invited).
N. Doulamis, P. Kokkinos, E. Varvarigos, Spectral Clustering Scheduling Techniques for Tasks with Strict QoS Requirements', to appear IEEE Transactions on Computers.
J. Perello, S. Spadaro, F. Agraz, M. Angelou, S. Azodolmolky, Y. Qin, R. Nejabati, D. Simeonidou, P. Kokkinos, E. Varvarigos, and I.Tomkos, Experimental Demonstration of a GMPLS-enabled Impairment-Aware Lightpath Restoration Scheme, Journal of Optical Communications and Networking, 4 (5) , art. no. 6226958 , pp. 344-355, 2012 (invited).
A. Kretsis, P. Kokkinos, E. Varvarigos, Implementing and evaluating scheduling policies in gLite middleware, Concurrency and Computation: Practice and Experience, 2012.
S. Azodolmolky, P. Kokkinos, M. Angelou, E. Varvarigos, I. Tomkos, DICONET NPOT: An Impairment Aware Tool for Planning and Managing Dynamic Optical Networks, Journal of Network and System Management, Springer, 20(1): 116-133, 2012.
P. Kokkinos, E. Varvarigos, Scheduling efficiency of resource information aggregation in grid networks, Future Generation Computer Systems, 28(1): 9-23, 2012.
K. Yiannopoulos,M. Spyropoulou, S. Sygletos, E. Varvarigos, I. Tomkos, Optical buffering up to 160 Gb/s employing a quantum dot semiconductor optical amplifier-based architecture, IET Optoelectronics 5 (1), pp. 50-56, 2011.
K. Christodoulopoulos, K. Manousakis, E. Varvarigos, Reach Adapting Algorithms for Mixed Line Rate WDM Transport Networks, Journal of Lightwave Technologies, 29 (21), pp. 3350-3363, Nov. 2011.
P. Kokkinos, K. Christodoulopoulos, E. Varvarigos, Efficient Data Consolidation in Grid Networks and Performance Analysis, Future Generation Computer Systems, 27 (2), pp. 182-194, 2011.
K. Christodoulopoulos, P. Kokkinos, E. Varvarigos, "Indirect and Direct Multicost Algorithms for Online Impairment-Aware RWA", IEEE/ACM Transactions on Networking, 2011.
Azodolmolky, S., Perello, J., Angelou, M., Agraz, F., Velasco, L., Spadaro, S., Pointurier, Y., Francescon, A., Saradhi, C.V., Kokkinos, P., Varvarigos, E , Zahr, S.A., Gagnaire, M., Gunkel, M., Klonidis, D., Tomkos, I., Experimental demonstration of an impairment aware network planning and operation tool for transparent/translucent optical networks, Journal of Lightwave Technology, Volume 29, Issue 4, 2011, Article number 5629342, Pages 439-448.
T. Zarouchas, and J. Mourjopoulos, “Perceptually-motivated Signal-Dependent Processing for Sound Reproduction in Reverberant Rooms”, J. Audio Eng. Soc., vol. 59, No. 4, pp. 187-200, 2011 April.
N. Akar, E. Karasan, K. Vlachos, E. Varvarigos, D. Careglio, M. Klinkowski, J. Sole-Pareta, A survey of quality of service differentiation mechanisms for optical burst switching networks, Optical Switching and Networking 7 (1), pp. 1-11, 2010.
Georgatos F., Gkamas V., Ilias A., Kouretis G., Varvarigos E, A Grid-enabled CPU scavenging architecture and a case study of its use in the Greek School Network, Journal of Grid Computing, 8 (1), pp. 61-75, 2010.
N. Karagiorgas, P. Kokkinos, C. Papageorgiou and E.A. Varvarigos, Joint Multi-Cost Routing and Power Control in Wireless Ad-hoc Networks,Wireless Networks, 2010.
K. Christodoulopoulos, P. Kokkinos, K. Manousakis, E. A. Varvarigos, Impairment Aware RWA in optical networks: over-provisioning or cross optimization?, special Issue on "All-Optical Routing" (invited), Journal of Networks 5 (11), pp. 1271-1278, 2010.
A. Foka and P.E. Trahanias, Probabilistic Autonomous Robot Navigation in Dynamic Environments with Human Motion Prediction, International Journal of Social Robotics, Vol. 2, No. 1, pp. 74-94, 2010.
M.Kalochristianakis, M.Paraskevas, E.Varvarigos, «Security Services in the Greek School Network», International Journal of Security and Its Applications, Science & Engineering Research Support Society, ISSN: 1738-9976, Vol. 3, No. 3, pp. 9-22, July 2009.
M. Kalochristianakis, M. Paraskeyas, E. Varvarigos, Security Services in the Greek School Network, International Journal of Security and its Applications, Vol.3 No.3, pp. 9-22, July 2009.
E. Varvarigos, V. Gkamas, N. Karagiorgas, The Slow Start Power Controlled MAC Protocol for Mobile Ad Hoc Networks and its Performance Evaluation, Ad Hoc Networks, Elsevier 7(6), pp 1136-1149, 2009.
K. Manousakis, K. Christodoulopoulos, E. Kamitsas, I. Tomkos, E. Varvarigos, ?Offline Impairment-Aware Routing and Wavelength Assignment Algorithms in Translucent WDM Networks?, IEEE/OSA Journal of Lightwave Technology, Vol. 27(12), pp. 1866-1877, June 2009.
K. Christodoulopoulos, K. Manousakis, M. Angelou, E. Varvarigos, Considering Physical Layer Impairments in Offline RWA, IEEE Networks Magazine, 23(3), pp. 26-33 May-June 2009.
K. Christodoulopoulos, V. Sourlas, I. Mpakolas, E. Varvarigos, A Comparison of Centralized and Distributed Meta-Scheduling Architectures for Computation and Communication Tasks in Grid Networks, Computer Communications, 32(7-10), pp. 1172-1184, 2009.
P. Kokkinos, E. Varvarigos, A framework for providing hard delay guarantees and user fairness in Grid computing, Future Generation Computer Systems, Elsevier, 25 (6), pp. 674-686, 2009.
Y. Karalis, M. Kalochristianakis, P. Kokkinos, E. Varvarigos, OpenRSM: An Open Source Lightweight Integrated Remote Network and Systems Management Solution, International Journal of Network Management, 19 (3), pp. 237-252, 2009.
T. Zarouchas, and J. Mourjopoulos, “Modeling Perceptual Effects of Reverberation on Stereophonic Sound Reproduction in Rooms”, J. Acoust. Soc. Am. 126(1), pp. 229-242, 2009.
M.Vivitsou, N.Lambropoulos, D.Konetas, M.Paraskevas, E. Grigoropoulos, «The Project Method e-course: the use of tools towards the evolution of the Greek teachers’ online community». International Journal of Continuing Engineering Education and Life-Long Learning (IJCEELL), (Special Issue on Reference Models for Forming Organisational or Collaborative Pedagogical Best Practices), Vol. 18, Issue 1, Jan 2008, pp. 26-39.
T. Stevens, M. De Leenheer, C. Develder, B. Dhoedt, K. Christodoulopoulos, P. Kokkinos, E. Varvarigos, Multi-Cost Job Routing and Scheduling in Optical Grid Networks, Future Generation Computer Systems, Elsevier, Vol. 25, issue 8, pp. 912-925 2009, special issue on networks for Grid applications, 2008.
E.A. Varvarigos, V. Sourlas, K. Christodoulopoulos, Routing and scheduling connections in networks that support advance reservations, Computer Networks 52 (15), pp. 2988-3006, 2008.
K. Christodoulopoulos, V. Gkamas, E.A. Varvarigos, Statistical Analysis and Modeling of Jobs in a Grid Environment, Journal of Grid Computing 6 (1), pp. 77-101, 2008.
M.Kalochristianakis, M.Paraskevas, E.Varvarigos, N.Xypolitos, «The Greek School Network: a paradigm of successful educational services maturing based on the dynamics of open-source technology», IEEE Transactions on Education, Nov. 2007, Vol. 50, Issue 4, Nov. 2007, pp. 321-330 (ISSN: 0018-9359).
N. Doulamis, A. Doulamis, A. Litke, A. Panagakis, T. Varvarigou, E. Varvarigos, Adjusted fair scheduling and non-linear workload prediction for QoS guarantees in grid computing, Computer Communications, Vol. 30, Elsevier, 499?515, 2007.
R. Van Caenegem, D. Colle, M. Pickavet, P. Demeester, K. Christodoulopoulos, K. Vlachos, E. Varvarigos, L. Stampoulidis, D. Roccato, R. Vilar, The design of an all-optical packet-switching network, IEEE Communications Magazine, pp. 52-61, Nov. 2007.
N. Doulamis, E. Varvarigos, and T. Varvarigou "Fair QoS Resource Management in Grids", IEEE Transactions on Parallel and Distributed Systems, 18 (11): 1630-1648, 2007.
K. Yiannopoulos, E. Varvarigos, K. Vlachos, Multiple-Input Buffer and Shared Buffer Architectures for Asynchronous Optical Burst Switching Networks, Journal of Lightwave Technology, Vol. 25 (6), pp. 1379-1389, 2007.
M. Kalochristianakis, M. Paraskevas, E. A. Varvarigos, N. Xypolitos, The Greek School Network: a paradigm of successful educational services maturing based on the dynamics of open-source technology, IEEE Transactions on Education.
K. Christodoulopoulos, E. Varvarigos and K. Vlachos, A new Burst Assembly Scheme based on the Average Packet Delay and its Performance for TCP Traffic, Elsevier Optical Switching and Networking, Volume 4, Issues 3-4, November 2007, Pages 200-212.
O. Zouraraki, K. Yiannopoulos, P. Zakynthinos, D. Petrantonakis, E. Varvarigos, A. Poustie, G. Maxwell and H. Avramopoulos, Optical Packet Buffering in All-Optical Time-Slot-Interchanger Architecture, IEEE Photonics Technology Letters, Vol. 19, No. 17, pp. 1307-1309, Sept. 2007.
A. Foka and P.E. Trahanias, Real Time Hierarchical POMDPs for Autonomous Robot Navigation, Robotics and Autonomous Systems (RAS) Journal, Vol. 55, Issue 7, pp. 561-571, 2007.
N. A. Tatlas, A. Floros, T. Zarouchas, and J. Mourjopoulos, “WLAN Technologies for Audio Delivery”, published in the Advances in Multimedia (Hindawi Publishing Corporation) Journal, Vol. 2007.
N. A. Tatlas, A. Floros, T. Zarouchas, and J. Mourjopoulos, “Perceptually-optimized Error Concealment for Audio over WLANs”, published in The Mediterranean Journal of Electronics and Communications, Vol. 3, No 3, p. 77-86, 2007.
C. Christodoulopoulos, K. Vlachos, E. Varvarigos, Stampoulidis L. Kehayas, E., EBRP: An Efficient burst reservation protocol for QoS provision in Optical Burst Switching networks, Journal Optical Networking, 5, 147-158, 2006.
K. Manousakis, V. Sourlas, K. Christodoulopoulos, E. A. Varvarigos, K. Vlachos, A Bandwidth Monitoring Mechanism Enhancing SNMP to Record Timed Resource Reservations, Journal of Network and Systems Management, Vol. 14, No. 4, pp. 583-597, December 2006.
G. Theophilopoulos, M. Kalyvas, K. Yiannopoulos, K. Vlachos, E. Varvarigos and H. Avramopoulos, "An Alternative Implementation Perspective for the Scheduling Switch Architecture", Journal of Lightwave Technology, Vol. 23, No. 2, pp. 732-739, Feb. 2005.
K. Vlachos, E. Varvarigos, and C. Bintjas, "Performance Evaluation of an optically interconnected "Scheduling" Switch network for Pareto traffic, Journal on Optical Networking, Vol. 3, No. 11, pp. 760-768, November 2004.
I. Tomkos, D. Vogiatzis, C. Mas, I. Zacharopoulos, A. Tzanakaki, and E. Varvarigos, "Performance Engineering of Metropolitan Area Optical Networks through Impairment Constraint Routing", IEEE Communications Magazine, special issue on metro optical networks, pp. 40-47, August 2004.
Doulamis ND, Doulamis AD, Panagakis A, Dolkas K, Varvarigou TA, Varvarigos E, "A Combined Fuzzy -Neural Network Model for Non-Linear Prediction of 3D Rendering Workload in Grid Computing", IEEE Transactions On Systems Man and Cybernetics Part B-Cybernetics, 34 (2): 1235-1247 APR 2004.
M.Avgoulea, C.Bouras, M.Paraskevas, G.Stathakopoulos «Policies for content filtering in educational networks», Journal of Telematics and Informatics, Pergamon Elsevier, Vol. 20, Issue 1 (2003), pp. 71 – 95.
C.Bouras, V.Papoutsis, C.Ntokos, A.Karaliotas, M.Paraskevas, N.Drosopoulos, «Wireless School Network», published in Learning Technology Newsletter – IEEE Learning Technology Task Force, ISSN 1438-0625, Vol. 5, Issue 2, pp. 20-22, April 2003.
Banerjee A.; Iltis, R; Varvarigos, E.A., "Performance Evaluation for a Quasi-Synchronous Packet Radio Network", IEEE Transactions on Networking, Vol. 5, No. 5, Oct. 2001, pp. 567-577.
Lang, J.P.; Sharma, V.; Varvarigos, E.A. "An analysis of oblivious and adaptive routing in optical networks with wavelength translation", IEEE/ACM Transactions on Networking, Aug. 2001, vol.9, (no.4):503-17.
Sharma, V.; Varvarigos, E.A. "An analysis of limited wavelength translation in regular all-optical WDM networks", Journal of Lightwave Technology, Dec. 2000, vol.18, (no.12):1606-19.
Lang, J.P.; Varvarigos, E.A.; Blumenthal, D.J. "The lambda-scheduler: A multiwavelength scheduling switch", Journal of Lightwave Technology, Aug. 2000, vol.18, (no.8):1049-63.
Varvarigos, E.A. "A library of static and dynamic communication algorithms for parallel computation", Telecommunication Systems-Modeling, Analysis, Design and Management, 2000, vol.13, (no.1):3-20.
Varvarigos, E.A.; Lang, J.P. "A virtual circuit deflection protocol", IEEE/ACM Transactions on Networking, June 1999, vol.7, (no.3):335-49.
Varvarigos, E.A.; Sharma, V. "An efficient reservation connection control protocol for gigabit networks", Computer Networks and ISDN Systems, July 1998, vol.30, (no.12):1135-56.
Varvarigos, E.A. "Optimal communication algorithms for Manhattan Street networks", Discrete Applied Mathematics, March 1998, vol.83, (no.1-3):303-26.
Banerjee, A.; Varvarigos, E. "A Dynamic Scheduling Communication protocol and its analysis for hypercube networks", International Journal of Foundations of Computer Science, March 1998, vol.9, (no.1):39-56.
Varvarigos, E.A. "Control protocols for multigigabit-per-second networks", IEICE Transactions on Communications, Feb. 1998, vol.E81-B, (no.2):440-8.
Varvarigos, E.A.; Sharma, V. "The ready-to-go virtual circuit protocol: a loss-free protocol for multigigabit networks using FIFO buffers", IEEE/ACM Transactions on Networking, Oct. 1997, vol.5, (no.5):705-18.
Sharma, V.; Varvarigos, E.A. "Circuit switching with input queuing: an analysis for the d-dimensional wraparound mesh and the hypercube", IEEE Transactions on Parallel and Distributed Systems, April 1997, vol.8, (no.4):349-66.
Varvarigos, E.A.; Banerjee, A. "Routing schemes for multiple random broadcasts in arbitrary network topologies", IEEE Transactions on Parallel and Distributed Systems, Aug. 1996, vol.7, (no.8):886-95.
Varvarigos, E.A.; Bertsekas, D.P. "A conflict sense routing protocol and its performance for hypercubes", IEEE Transactions on Computers, June 1996, vol.45, (no.6):693-703.
Yeh, C.-H. and E.A. Varvarigos, "New efficient majority circuits for the computation of some basic arithmetic functions", J. Comput. Information (JCI), Vol. 2, 1996, pp. 114-136.
M.Paraskevas and J.Mourjopoulos, «A Differential Perceptual Audio Coding Method with Reduced Bitrate Requirements», ΙΕΕΕ Transactions on Speech and Audio Processing, Vol. 3, No. 6, pp. 490-503, Nov. 1995.
Varvarigos, E.A.; Bertsekas, D.P. "Dynamic broadcasting in parallel computing", IEEE Transactions on Parallel and Distributed Systems, Feb. 1995, vol.6, (no.2):120-31.
Varvarigos, E.A.; Bertsekas, D.P. "Transposition of banded matrices in hypercubes: a nearly isotropic task", Parallel Computing, Feb. 1995, vol.21, (no.2):243-64.
Varvarigos, E.A., and Bertsekas, D.P., Partial Multinode Broadcast and Partial Exchange in d-dimensional Wraparound Meshes, Journal of Parallel and Distributed Computing, Vol. 23, pp. 177-189, 1994.
Varvarigos, E.A.; Bertsekas, D.P. "Performance of hypercube routing schemes with or without buffering", IEEE/ACM Transactions on Networking, June 1994, vol.2, (no.3):299-311.
Varvarigos, E.A.; Bertsekas, D.P. "Communication algorithms for isotropic tasks in hypercubes and wraparound meshes", Parallel Computing, Nov. 1992, vol.18, (no.11):1233-57.
J.Mourjopoulos and M.Paraskevas, «Pole and Zero Modelling for Room Transfer Function», Journal of Sound and Vibration, Elsevier (1991) 146(2), pp.281-302.

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