Professional activities in/presentations at international scientific conferences

Prof. I. Tomkos was invited to serve as a Member of the Technical Program Committee of the CHINACOM 2006 Conference.

Prof. A. Pnevmatikakis was a session chair at 3rd IFIP conference on Artificial Intelligence Applications and Innovations 2006, on “Signal and Image Processing”. Athens, Greece, June 2006.

Prof. I. Tomkos was elected as Chairman of the IFIP Working Group 6.10 which focuses on Photonic Networking. He was also named a member of IFIP Technical Committee 6 which focuses on the topic of Communications Systems. IFIP, the International Federation of Information Processing involves primarily computer scientists working in the general field of information processing. Athens, Greece, June 2006

Prof. I. Tomkos chaired a session on "Electronic Mitigation of Optical Impairments" that took place as part of the program of the European Conference on Optical Communications (ECOC 2006).

Prof. I. Tomkos will serve as a Steering Board member for the AccessNets 2007 conference.

Prof. I. Tomkos will serve as a General Co-Chair of Broadnets 2007 conference (together with Prof. G. Rouskas).

Prof. I. Tomkos served on the Technical Program Committee of the European Conference on Optical Communications (ECOC 2005).

Prof. I. Tomkos will serve as a Member of the Technical Program Organizing Committee for the IEEE International Conference on Communications (ICC 2007) (subcommittee "Optical Networking").

Prof. I. Tomkos will serve as a Member of the Technical Program Committee of the Workshop on High Performance Switching and Routing – HPSR 2007.

Prof. I. Tomkos will serve as a Member of the Technical Program Committee of INTERWORKING 2007 conference.

Prof. C. B. Papadias was a panelist in the panel “Cognitive Radio Dynamic Spectrum Access: Enablers and Future Architectures” that was held at the 2006 Crowncom conference. Mykonos, Greece, June 2006. [http://www.crowncom.org/2006/panels.html]

Prof. C.B .Papadias was a co-editor of the book "Space-Time Wireless Systems - From Array Processing to MIMO Communications, " edited by H. Boelcskei, D. Gesbert, C. B. Papadias and A.-J. van der Veen, published by Cambridge University Press, July 2006 (ISBN # 052185105X). [http://www.ait.gr/news/news_data.asp?news_id=189]

A. Kalis, A. G. Kanatas, M. Carras, A. G. Constantinides "MIMO Systems I" at the15th IST Mobile Summit, Mykonos, Greece, June 2006

Dr T. Tiropanis and Dr S.Tsekeridou served as Programme Committee members of the 2nd International ELeGI Conference. Barcelona, Spain, October 2006 (http://www.elegi.org/index.php?page=MeetingBarcelona).

Dr T. Tiropanis will serve as a member of the Scientific Committee of the IADIS International Conference e-Commerce 2006. Barcelona, Spain, 9-11 December 2006. (www.iadis.org/ec2006).

Dr T. Tiropanis and Dr S. Tsekeridou are Guest Editors for a Special Issue of the ACM Personal and Ubiquitous Computing journal on “Ubiquitous e-Learning Solutions over Heterogeneous Networks”. Expected publication date in 2007.

Dr T. Tiropanis is Guest Editor for a Special Issue of the Computer Networks Journal (Elsevier) on “Innovations in Web Communications Infrastructure”. Expected publication date in 2007.

J. Soldatos was the Program Committee Co-Chair of the 3rd IFIP Conference on AIAI (Artificial Intelligence Applications and Innovations). Athens, Greece, June 2006

J. Soldatos was the Tutorial Chair, in the 14th IST Mobile and Wireless Summit. Mykonos, Greece, June 2006.

J. Soldatos is a Technical Programme Committe Member for the Workshop “World Class Solutions: Networking the Globe”, held in the scope of IEEE GlobeCom 2006. November-December 2006.

J. Soldatos was a Technical Programme Committe Member for the ICDT'06, International Conference on Digital Telecommunications. France, August-September 2006.

I. Krontiris gave an invited talk on "Latest advances in Sensor Networks Security" at the University of Mannheim. Germany, August 2006

S. Tsekeridou served as a Programm Commitee member of the International Workshop on Multimedia Content Representation, Classification & Security, Istanbul, Turkey, 11-13 September 2006. She has chaired the session Multimedia Content Security: Steganography/Watermarking/Authentication during the workshop.

S. Tsekeridou has chaired the session: "Digital Rights Management Techniques and Interoperability of Protection Tools" at the 3rd IFIP conference on Artificial Intelligence Applications and Innovations 2006, Athens, Greece, 7-9 June 2006.

S. Tsekeridou was appointed an Expert Reviewer by the EU IST-Knowledge and Content Technologies Unit to the 2nd annual review of the IST FP6 IP project AXMEDIS: Automating Production of Cross Media Content for Multichannel Distribution, 26-27 October 2006, Florence, Italy

S. Tsekeridou was appointed a Reviewer to a submitted manuscript to the IEEE Transactions on Image Processing.

S. Tsekeridou was appointed a Reviewer to submitted manuscripts to the International Conference on Visual Information Engineering, 26-28 September 2006, Bangalore, India.


Papers published in international scientific journals/books

Prof N.Komninos is Guest-editor in a Special Issue of Advances in Ad Hoc Network Security, International Journal of Computer Research. Expected

The paper "Forward Error Correction in Optical Communications: A Tutorial Overview on the Evolution of Architectures and the Future Prospects of Outband and Inband FEC for Optical Communications", authored by A. Tychopoulos, O. Koufopavlou and I. Tomkos, will be published in the IEEE Circuits & Devices Magazine, November 2006.

The paper "Demonstration of a Low-Cost Inband FEC Scheme for STM-64 Transparent Metro Networks", authored by A. Tychopoulos, I. Papagiannakis, D. Klonidis, A. Tzanakaki, O. Koufopavlou and I. Tomkos, has been accepted for publication in the IEEE Photonics Technology Letters, 2007

The paper "Fiber Based Subsystem for All-Optical Clock Recovery at 160Gb/s and Beyond", authored by Ch. Kouloumentas, A. Tzanakaki, and I. Tomkos, has been accepted for publication in the IEEE Photonics Technology Letters, 2007.

The paper "Cascadeability Performance of Continuous Spectrum WB/WSS at 10/40/160 Gb/s" authored by S. Sygletos, A. Tzanakaki and I. Tomkos, has been accpted for publication in the IEEE Photonics Technology Letters, 2006.

The invited paper "Benefits of the Use of Impairment Constraint Routing in Optical Networks", authored by I. Tomkos, A. Tzanakaki, P. Kalkani, G. Markidis, C. Mas, has been accepted for publication in the International Journal "Annals de Telecommunications", Special Issue on "Simulation Techniques for Optical Networks", 2006

The paper "A Simulation of Adaptive Burst assembly Algorithms in Optical Burst Switched Networks with Self-Similar Traffic Sources", authored by S. Azodolmolky, A. Tzanakaki, and I. Tomkos has been accpted for publication in the International Journal "Annals de Telecommunications", Special Issue on "Simulation Techniques for Optical Networks", 2006

S. Mukherjee, D. Avidor, J. Ling, and C. B. Papadias, “On Asymptotically Fair Transmission Scheduling Over Fading Channels with Measurement Delay,” IEEE Transactions on Wireless Communications, vol. 5, No. 7, pp. 1626-1633, July 2006.

A. M. Kuzminskiy, F. J. Mullany, and C. B. Papadias, “Steered-STS Transmit Antenna Architecture with Semi-blind Channel Estimation at the Receiver in CDMA2000,” IEEE Transactions on Vehicular Communications, vol. 55, No. 5, pp. 1671-1677, Sept. 2006.

The work "Secure In-Network Processing in Sensor Networks" by T. Dimitriou and I. Krontiris appeared as part of the book on Sensor Network Security, published by CRC press. August 2006

Invited to write a chapter in the forthcoming Book New Research on Wireless Communications, Nova Science Publishers Inc.

The work “Web Services based Network Management: Approaches and the WSNET System” by J. Soldatos and D. Alexopoulos, was accepted for publication in the International Journal of Network Management (IJNM).

The work “A Formally Specified Ontology Management API as a Registry for Ubiquitous Computing Systems” by A. Paar, J. Reuter, J. Soldatos, K. Stamatis, L.
Polymenakos, was accepted for publication in the Journal of Applied Intelligence (Springer).

The work “Robust Multimodal Audio-Visual Processing for Advanced Context Awareness in Smart Spaces” by A. Pnevmatikakis, J. Soldatos, F. Talantzis and L.
Polymenakos, was accepted for publication in the Personal and Ubiquitous Computing Journal (Springer).

The work “A Breadboard Architecture for Pervasive Context-Aware Services in Smart Spaces: Middleware Components and Prototype Applications”, by J. Soldatos, N. Dimakis, K. Stamatis, L.Polymenakos, was accepted for publication in the Personal and Ubiquitous Computing Journal (Springer).

Following the successful participation of the systems from Automatic and Grid Computing Group of AIT at the CLEAR 2006 and RT06 Evaluation Campaigns, five papers have been included in two different LNCS volumes. September 2006

T.Dimitriou and I.Krontiris were invited to write a chapter in the forthcoming book "Security in Distributed and Networking Systems" by Prof. Yang Xiao and Prof. Yi Pan, to be published by World Scientific Publishing Co. in early 2007

Papers submitted/presentations at international
scientific conferences/workshops

The paper "Enhancing the Performance of a GMM-Based Speaker Identification System in a Multi-Microphone Setup," by A. Sergiou, A. Pnevmatikakis and L. Polymenakos was presented at InterSpeech 2006, Pittsburgh, USA, September 2006.

The paper "An Automatic Face Detection and Recognition System for Video Streams," by F. Talantzis, A. Pnevmatikakis and L. Polymenakos was presented at the IEEE International Workshop on Multimedia Signal Processing, July 2006

Prof. A. Pnevmatikakis was invited to the International Conference on Artificial Neural Networks 2006, Workshop on “Intelligent Technologies, Affective Computing and Interaction” to make a presentation entitled "Where, Who and What? CHIL at Athens Information Technology",

The paper "Enhancing the Performance of a GMM-based Speaker Identification System in a Multi-Microphone Setup," by A. Sergiou, A. Pnevmatikakis and L. Polymenakos was presented at InterSpeech 2006. Pittsburgh, USA, September 2006

The paper "An Automatic Face Detection and Recognition System for Video Streams," by F. Talantzis, A. Pnevmatikakis and L. Polymenakos was presented at the IEEE International Workshop on Multimedia Signal Processing. July 2006

The paper "Robust Estimation of Background for Fixed Cameras," by A. Pnevmatikakis and L. Polymenakos was presented at the International Conference on Computing. August 2006

Prof. Ioannis Tomkos will give a presentation at the international Optical Fiber Communications conference (OFC 2007) on the topic of "Impairment Constraint Routing in Mesh Optical Networks". S. Sygletos, A. Tzanakaki and G. Markidis are co-authors of the paper that will appear in the conference proceedings. OFC is the largest and most prestigious event focusing on optical communications that takes place every year in USA with more than 20.000 participants.

The paper "Impairment Constraint Based Routing in Optical Networks", authored by G. Markidis, S. Sygletos, A. Tzanakaki and I. Tomkos, was accepted for publication at the Broadband Europe Conference, 2006.

The paper "The EU project TRIUMPH: Transparent Ring Interconnection Using Multiwavelength Photonic Switches" (Invited Paper), authored by I. Tomkos, A. Tzanakaki, J. Leuthold, A. D. Ellis, D. Bimberg, P. Petropoulos, D. Simeonidou, S. Tsadka, P. Monteiro, was accpted for publication at the Broadband Europe Conference 2006.

The paper "Impairment Constraint Based Routing in Optical Networks Employing 2R Regeneration", authored by G. Markidis, S. Sygletos, A. Tzanakaki and I. Tomkos, was presented at the ECOC 2006 conference. Cannes, France, September 2006.

The paper "A Hybrid Optical Burst/Circuit Switched Ingress Edge Router for Grid-enabled Optical Networks", authored by G. Zervas, R. Nejabati , D. Simeonidou, A. Tzanakaki, S. Azodolmolky and I. Tomkos, was presented at the GridNets 2006,.

The paper "Techno-Economic Analysis of Broadband Access Technologies", authored by I. Tomkos, was presented at the 1st AccessNets Conference, Athens, Greece, August 2006.

M. Vemula, D. Avidor, J. Ling and C. B. Papadias, “Inter-Cell Coordination, Opportunistic Beamforming and Scheduling,” 2006 IEEE International Conference on Communications (ICC ‘2006), Istanbul, Turkey, June 11-15, 2006.

J. Ling, D. Chizhik, U. Tureli, C. B. Papadias, “Performance of Linear Prediction for Wireless Schedules Downlink Systems,” 2006 IEEE International Conference on Communications (ICC ‘2006), Istanbul, Turkey, June 11-15, 2006.

C. Rizogiannis, E. Kofidis, C. B. Papadias and S. Theodoridis, “Semi-Blind Maximum Likelihood Joint Channel Estimation / Data Detection for MIMO Fading Channels,” The 7th IEEE International Workshop on Signal Processing Advances in Wireless Communications (SPAWC 2006), Cannes, France, July 2006.

A. Alexiou, K. K. Leung, C. B. Papadias, A. Valkanas, “MEMBRANE: Multi-Element Multihop Backhaul Reconfigurable Antenna Network,” The 15th IST Mobile & Wireless Communications Summit, Mykonos, Greece, June 2006.

A. Lozano and C. B. Papadias, “MIMO Systems for Wireless Communications,” tutorial given at the 2006 IEEE International Conference on Communications (ICC ‘2006), Istanbul, Turkey, June 2006.

A. Kalis, A. G. Kanatas, M. Carras, A. G. Constantinides, “On the Performance of MIMO Systems in the Wavevector Domain”, 15th IST Mobile & Wireless Communications Summit, Myconos, Greece, June 2006.

“A Hybrid Artificial Neural Network based Intrusion Detection System for Network Attacks” by S’ Koutsoutos, I. T. Christou and S. Efremidis. Proceedings of 3rd IFIP Intl. Conference on AIAI 2006, Athens, June 2006.

“Application of a Virtual Scientific Experiment Model in Different Educational Contexts”, by A. Pieri, T. Tiropanis, Ioannis T. Christou, S. Tsekeridou, B. Vassiliadis, e-challenges e-2006 Conf., Barcelona October 2006.

The paper “Authenticated In-Network Programming for Wireless Sensor Networks,” by I. Krontiris and T. Dimitriou was presented at the 5th International Conference on Adhoc Networks and Wireless (ADHOC-NOW 2006). Uppsala, Sweden, August 2006.

The paper "A Practical Authentication Scheme for Wireless Sensor Networks" by I. Krontiris and T. Dimitriou was presented at the ACM Workshop on Real-World Wireless Sensor Networks. Uppsala, Sweden, June 2006

The paper "Adaptive Authentication & Key Agreement Mechanism for Future Cellular Systems" by N. Komninos and T. Dimitriou was presented at the 15th IST Mobile & Wireless Communications Summit. Mykonos, Greece, June 2006.

The paper "dotSense, A Secure Framework for Sensor Network Data Acquisition, Monitoring and Command" by M. Salajegheh, H. Soroush, A. Thomos, T. Dimitriou, I. Krontiris was presented at the ACM Workshop on Real-World Wireless Sensor Networks. Uppsala, Sweden, June 2006

The paper “Two-Step Authentication in Mobile Ad-Hoc Networks” by N.Komninos, D. Vergados, C. Douligeris, was presented at the 2006 Global Mobile Congress, China

The paper: “Adaptive Authentication and Key Agreement Mechanism for Future Cellular Systems” by N. Komninos, T. Dimitriou, was presented at the15th IST Mobile & Wireless Communications Summit. Greece, June 2006

The paper “Application of a Virtual Scientific Experiment Model in Different Educational Contexts” by A. Pierri, T. Tiropanis, I. Christou, S. Tsekeridou, B. Vassiliadis, was included in the Proceedings of the eChallenges e-2006 Conference, Barcelona, Spain, October 2006.

The paper “Satellite-Enabled Educational Service Requirements Analysis Based on User Feedback” by S. Tsekeridou, T. Tiropanis, D. Rorris, C. Makropoulos, T. Serif, L. Stergioulas was included in the Proceedings of the 2nd International ELeGI Conference, Barcelona, Spain, October 2006.

The paper “Satellite-enabled Interactive Education: Scenarios and Systems Architectures” by T. Serif, L. Stergioulas, G. Ghinea, M. Moatsos, C. Makropoulos, S. Tsekeridou, T. Tiropanis, was included in the Proceedings of the First European Conference on Technology Enhanced Learning (Springer LNCS), Crete, Greece, October 2006.

The Invited Paper “The Emerging NGN Platform for Mobile Services & Automobile Telematics,” by D. Vogiatzis, S. Vassilaras, I. Tomkos and G. S. Yovanof, was presented at the FITCE 2006, Athens, Greece, August/September, 2006

The Invited Paper “Metropolitan Wireless Access Networks: A Techno-economic Analysis Framework” by D. Vogiatzis, N. Pronios, S. Vassilaras and G. S. Yovanof, was presented at the FITCE 2006, Athens, Greece, August/September, 2006

The paper “Architecture Framework for Device Single Sign On in Personal Area Networks” by A. Chandershekarapuram, D. Vogiatzis, S. Vassilaras and G. S. Yovanof, was presented at the International Workshop on Pervasive Systems (PerSys'06), Montpellier, France, October/November 2006

The paper “An Agent-Based Architecture for Context-Aware Services Supporting Human Interaction”, by A. Burkle, W. Muller, U. Pfirrmann, M. Schenk, N. Dimakis, J. Soldatos, L. Polymenakos, will be included in the Proceedings of the 2006 IEEE/WIC/ACM International Conference on Intelligent Agent Technology (IAT-06), Hong Kong, 18-22 December 2006, Hong Kong.

The paper “Perceptive Middleware and Intelligent Agents Enhancing Service Autonomy in Smart Spaces” by N. Dimakis, J. Soldatos, L. Polymenakos, M. Schenk, U. Pfirrmann, A. Burkle, will be included in the Proceedings of the IEEE/WIC/ACM International Conference on Intelligent Agent Technology (IAT-06), Hong Kong, 18-22 December 2006

The paper “Enhancing Learning Experiences through Context-Aware Collaborative Services: Software Architecture and Prototype System” by N. Dimakis, L. Polymenakos, J. Soldatos, was accepted for publication at the 4th IEEE International Workshop on Wireless, Mobile and Ubiquitous Technologies in Education (WMUTE 2006), Athens, Greece, November 2006.

Prof. I. Tomkos was a guest speaker at the international workshop on "WDM System Performance Evaluation for Network Design and Planning" that was co-located with the European Conference on Optical Communications (ECOC 2006). Other invited speakers were representatives of Lucent, Alcatel, Ciena, Ericsson, Tyco, Meriton Networks, Cable &Wireless, and France Telecom.

A paper by S. Zoi, P. Stathopoulos, P. Papageorgiou, N. Mitrou, J. Soldatos, “PRIAMOS:
A system for the real time extraction of multimedia semantics and its integration in advanced surveillance and conferencing applications”, in the Proc. of the Semantic Web Annotations for Multimedia (SWAMM) workshop, in the scope of the 15th International World Wide Web Conference. Endinburgh, Scotland, May 2006.

A paper by J. Soldatos, P. Dimitropoulos, A. Anagnostopoulos and S.Michalakos, “Lightweight Programmable Middleware for Cost Effective RFID Application Development”, in the Proc. of the 15th IST Mobile and Wireless Communication Summit - Invited Paper with Athens Information Technology. Myconos Greece, June 2006.

A paper by C. Kechagias, S. Kyriazakos, D. Dres, D. Drakoulis, J. Soldatos and I.Stamoulis, “On the Design of an Enhanced Integrated Emergency Call Handling System”, in the Proc. of the 15th IST Mobile and Wireless Communication Summit. Myconos Greece, June 2006

Prof. Tassos Dimitriou has been the organizer of the 1st Annual workshop on PRACtical aspects of SEcurity (PRACSE workshop) that took place in June 16-17th at AIT. The aim of PRACSE is to provide a forum for continued activity in the area, to allow the interaction between security researchers and professionals and to give attendees the opportunity to network with experts in the field.
This year?s keynote speaker was Philip R.
Zimmermann, the creator of Pretty Good Privacy PGP Inc. PGP was selected by Information Week as one of the Top 10 Most Important Products of 1994. In
1995 Newsweek named Zimmermann one of the "Net 50", the 50 most influential people on the Internet.

Other

Honors: Selected to be included in “2007 Marquis Who’s Who in the World”.

Dr. G. S. Yovanof participated in the kick-off meeting of the IST European project “WINSOC: Wireless Sensor Networks with Self-Organization Capabilities for Critical and Emergency Applications” IST-033 914, held in Rome, 14-15 September 2006


Giorgos Souretis, AGC group researcher and MSIN graduate, has been accepted to the PhD program of Imperial College, University of London, under full scholarship. His thesis will be entitled "Spiking Neuron Models for Brain Prosthet

On 6 October 2006, Prof. I. Tomkos presented a Research Seminar at AIT on the topic of "Q-Factor Modeling and Monitoring: Enabling Impairment Constraint Routing in Mesh Optical Networks".

The paper "Techno-Economic Value Analysis Studies for Broadband Access Networks and Services", authored by I. Tomkos, appeared at the Technical Choice Magazine, July 2006 (in Greek).

The paper “Ο Ρόλος της τεχνολογικής Υπεροχής στην Παραγωγή Καινοτομίας ” by G. Yovanoff and D. Kosmidis, was included in Ta Nea, MBA Special Issue 4/40-5/41, 25 September 2006.