Greek Computer Society

PCI 2008
12th Pan-Hellenic Conference on Informatics

August 28-30, 2008, Samos Island, Greece
Doryssa Seaside Resort




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Program

Thursday August 28, 2008

08:00 - 09:30 Registration (Room: Sivilla)

09:30 - 09:45 Welcome (Room: Sivilla)
  • PCI 2008 General Chairs: Sokratis Katsikas (University of Piraeus), and Christos Douligeris (Greek Computer Society, University of Piraeus, and IDIKA S.A.)
  • President of the Greek Computer Society: Nestor Ioannidis
  • PCI 2008 PC Chairs: Stefanos Gritzalis (University of the Aegean), Dimitris Plexousakis (University of Crete), and Dionysios Pnevmatikatos (Technical University of Crete)
09:45 - 10:15 Invited Talk (Room: Sivilla)
Chair: Sokratis Katsikas

Prof. Dimosthenis Anagnostopoulos, Secretary General, Ministry of Economy and Finance
TBA

10:15 - 11:35 Session 1 (Room: Sivilla)
Chair: Christos Douligeris

  • Power Control in WLANs for Optimization of Social Fairness, V. Douros, P. Frangoudis, K. Katsaros, and G. Polyzos
  • Real-time Collection of Electromagnetic Field Measurements Using a Metropolitan Wireless Mesh Network, N. Petroulakis, and V. Siris
  • A BBN Based Approach for Improving a Telecommunication Software Estimation Process, S. Bibi, I. Stamelos, G. Gerolimos, and V. Kollias
  • Development of Wireless Embedded System Using ZigBEE Protocol to Avoid White Gaussian Noise and 50 Hz Power Line Noise in ECG and Pressure Blood Signals, K. Kalovrektis, T. Ganetsos, E. Fountas, and G. Tzitzili

11:35 - 11:50 Coffee/Refreshments

11:50 - 13:10 Session 2 (Room: Sivilla)
Chair: Dimitris Plexousakis

  • Continuous Top-k Dominating Queries in Subspaces, M. Kontaki, A. Papadopoulos, and Y. Manolopoulos
  • Cost Models and Efficient Algorithms on Existentially Uncertain Spatial Data, E. Frentzos, N. Pelekis, and Y. Theodoridis
  • MITOS: Design and Evaluation of a DBMS-based Web Search Engine, P. Papadakos, Y. Theoharis, Y. Marketakis, N. Armenatzoglou, and Y. Tzitzikas
  • A Comparison of Centralized and Distributed Information Retrieval Approaches, G. Paltoglou, M. Salampasis, and M. Satratzemi

13:15 - 14:45 Lunch

14:45 - 16:05 Session 3 (Room: Sivilla)
Chair: Stefanos Gritzalis

  • Towards Privacy in Personal Data Management, P. Efraimidis, G. Drosatos, F. Nalbadis, and A. Tasidou
  • P2P Reputation Systems Credibility Analysis: Tradeoffs and Design Decisions, E. Koutrouli, and A. Tsalgatidou
  • Intrusion Detection Using Evolutionary Neural Networks, E. Michailidis, S. Katsikas, and E. Georgopoulos
  • Middleware Challenges for Distributed Next Generation Experimental Infrastructures, G. Kormentzas

16:05 - 16:20 Coffee/Refreshments

16:20 - 18:00 Invited Session 1: Web Science Research Initiative (Room: Sivilla)
Chairs: Michalis Vafopoulos – Sokratis Katsikas

  • Web science, M. Vafopoulos, and M. Kenteris
  • Web science Mathematics, D. Samaroudis, and I. Antoniou
  • Cultural Informatics in Web science: A case of exploiting local cultural content, M. Kenteris, M. Vafopoulos, and D. Gavalas
  • Virtualization: A new paradigm for social sciences, K. Koskinas
  • Foundations of Economics and Web science, S. Kontogiannis, and P. Spirakis
  • Living in the Web: Mixed Reality Intelligent Spaces, L. Polymenakos


Friday August 29, 2008

9:30 - 10:50 Session 4 (Room: Sivilla)
Chair: Yannis Manolopoulos

  • Applying Machine Learning to Extract New Knowledge in Precision Agriculture Applications, S. Dimitriadis, and C. Gounopoulos
  • Effective Ranking Fusion Methods for Personalized Metasearch Engines, L. Akritidis, D. Katsaros, and P. Bozanis
  • Site-Specific versus General Purpose Web Search Engines: A Comparative Evaluation, G. Atsaros, D. Spinellis, and P. Louridas
  • User Interface Personalization for the Web Using Adaptive Browsing Shortcuts, M. Salampasis, C. Kouroupetroglou, and C. Delistavrou

9:30 - 10:50 Session 5 (Room: Theano)
Chair: Ioannis Voyiatzis

  • A Prototype System for Educational Data Warehousing and Mining, N. Dimokas, N. Mittas, A. Nanopoulos, and L. Angelis
  • Local Grading of Learners, S. Kotsiantis
  • The Asynchronous Distance Education by means of Internet: Factors that Influence its Effectiveness. The Case of Hellenic Open University, K. Patriarcheas, and M. Xenos
  • Learning Software Project Management on the Web: The Impact of Question Prompts, P. Papadopoulos, S. Demetriadis, I. Stamelos, and I. Tsoukalas

10:50 - 11:05 Coffee/Refreshments

11:05 - 11:35 Invited Talk (Room: Sivilla)
Chair: Christos Douligeris

Prof. John S. Baras, Dept. of Electrical and Computer Engineering and the Institute for Systems Research, University of Maryland, USA
Trust in Social, Economic, Communication and Web-based Networks

11:35 – 13:15 Invited Session 2 (Room: Sivilla)
Chair: Stefanos Gritzalis

  • The Power of Music: Searching for Power-Laws in Symbolic Musical Data, D. Rafailidis, and Y. Manolopoulos
  • The Design, Implementation and Evaluation of an Internet-based eVoting System, C. Manolopoulos, A. Panagiotaki, D. Sofotasios, P. Spirakis, and Y. Stamatiou
  • Grid-enabled Chemoinformatics: LysTAS and TRBD, V. Tatsis, K. D. Dimakopoulos, O. Kiropoulou, D. G. Papageorgiou, and I. N. Demetropoulos
  • A Telemedicine Platform for Emergency Event Monitoring in Isolated Areas of North Aegean Region, C. Doukas, I. Maglogiannis, M. Haritou, A. Tagaris, K. Perakis, A. Androulidakis, and I. Anagnostopoulos
  • Evaluating Greek Departments of Computer Science & Engineering using Bibliometric Indices, D. Katsaros, V. Matsoukas, Y. Manolopoulos

13:15 - 14:45 Lunch

14:45 - 16:05 Session 6 (Room: Sivilla)
Chair: TBA

  • Resource Discovery in a Grid System based on Matchmaking-Routers, K. Karaoglanoglou and H. Karatza
  • QoS-based Decision Services in Grids, D. Kyriazis, P. Hasselmeyer, K. Tserpes, A. Menychtas, and T. Varvarigou
  • A Systematic Approach for the Design of RFID Implementations in the Supply Chain, C. Bardaki, A. Karagiannaki, and K. Pramatari
  • A Cellular Automation Collision-Free Path Planner Suitable for Cooperative Robots, K. Ioannidis, G. Sirakoulis, and I. Andreadis

14:45 - 16:05 Session 7 (Room: Theano)
Chair: TBA

  • Java Performance Evaluation Using External Instrumentation, G. Gousios, and D. Spinellis
  • Design and Implementation Aspects of a Novel Java P2P Simulator with GUI, V. Chryssikopoulos, G. Papaloukopoulos, E. Sakkopoulos, and S. Sioutas
  • Performance Evaluation of Multiple Approximate String Matching Algorithms Implemented with MPI Paradigm in an Experimental Cluster Environment, P. Michailidis, and K. Margaritis
  • ERP Systems Business Value: A Critical Review of Empirical Literature, F. Michailidou, A. M. Sergi, and E. Loukis

16:05 - 16:20 Coffee/Refreshments

16:20 - 17:40 Session 8 (Room: Sivilla)
Chair: TBA

  • Hardware Acceleration for 3D Image Reconstruction, D. Chaikalis, G. Passalis, N. Sgouros, D. Maroulis, and T. Theoharis
  • Computer-aided Malignancy Risk Assessment of Nodules in Thyroid US Images Utilizing Boundary Descriptor, M. Savelonas, D. Maroulis, D. Iakovidis, and N. Dimitropoulos
  • Obstacle Detection from Uncalibrated Cameras, N. Baha Touzene, and S. Larabi
  • Design and Simulation of NAND Gates made of Single Electron Devices, T. Tsiolakis, G. Alexiou, and N. Konofaos

16:20 - 17:40 Session 9 (Room: Theano)
Chair: TBA

  • Knowledge Exploitation through Modeling, Navigation and Querying, an Ontology-based Integrated Application, G. Kourlimpinis, G. Gyftodimos, J. Psarras, and D. Askounis
  • Graphical Representation as a Factor of 3D Software User Satisfaction: A Metric Based Approach, A. Ampatzoglou, A. Chatzigeorgiou, and I. Stamelos
  • A Multi-Platform Framework for Distributed Computing, M. Grivas, and D. Kehagias
  • A Design Flow for the Precise Identification of the Worst-Case Voltage Drop in Power Grid Analyses, D. Karampatzakis, M. Tsiampas, N. Evmorfopoulos, and G. I. Stamoulis

20:30 – 23:00 Gala Dinner


Saturday August 30, 2008

9:30 - 11:10 Session 10 (Room: Sivilla)
Chair: TBA

  • Delineating the Degree of “Pervasiveness” in Pervasive Information Systems: An Assessment Framework and Design Implications, P. Kourouthanassis, G. Giaglis, and D. Karaiskos
  • The Greek Electronic Government Interoperability Framework: Standards and Infrastructures for One-Stop Service Provision, Y. Charalabidis, F. Lampathaki, D. Sarantis, A. M. Sourouni, S. Mouzakitis, G. Gionis, S. Koussouris, C. Ntanos, C. Tsiakaliaris, V. Tountopoulos, and D. Askounis
  • The Intervening Role of BPR in the ICT – Business Performance Relationship, E. Loukis, and K. Pazalos
  • Cognitive and Affective Antecedents of Mobile Data Services Usage Intention, D. Karaiskos, D. Drosos, A. Tsiaousis, and G. Giaglis
  • Analysis and Synthesis of the Current Situation in IT Security, C. Kalentis

9:30 - 11:10 Invited Session 3: Legal & Regulatory Issues in ICT (Room: Theano)
Chairs: C. Douligeris, N. Polemi

  • Copyright Protection against Software Piracy, E. Alexandropoulou-Egyptiadou
  • Network information security and EU Law: a view over regulatory principles, A. Mitrakas
  • Electronic e-government for Social Security in Greece, C. Douligeris
  • Data protection in mobile, added value services, Z. Kardasiadou

11:10 - 11:25 Coffee/Refreshments

11:25 - 11:45 Invited Talk (Room: Sivilla)
Chair: TBA

Vsevolod Ukrainsky, Microsoft Corp.: Boosting Linpack Performance on Windows HPC Server 2008

11:45 - 13:25 Session 11 (Room: Sivilla)
Chair: TBA

  • Improving the Efficiency of Exact Two Dimensional On-Line Pattern Matching Algorithms, C. Kouzinopoulos, and K. Margaritis
  • A New algorithm for On-Line Multivariate ARMA Identification Using Multimodel Partitioning Theory, S. Pappas, N. Harkiolakis, P. Karampelas, L. Ekonomou, and S. Katsikas
  • Stacking Cost Sensitive Models, S. Kotsiantis
  • Formal Verification of Generalised State Machines, G. Eleftherakis, and P. Kefalas
  • Simulator Implementation of an IF-ISAR System for Studies in Target Glint, T. Kostis, K. Galanis, and S. Katsikas

13:25 Closing (Room: Sivilla)
Sokratis K. Katsikas, Christos Douligeris
Nestor Ioannidis: PCI 2009 Announcement


                                                   

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