2009 13th Panhellenic Conference on Informatics (PCI 2009) Corfu, Greece 10-12 September 2009 IEEE Catalog Number: ISBN: CFP0963E-PRT 978-1-42 4-4803-
2009 13th Panhellenic Conference on Informatics Preface PCI 2009 Committee Lists Invited Talks PCI 2009 Table of Contents Session 1: Algorithms and Theoretical Foundations I Dynamic Decision Systems A Fuzzy-Duopoly Approach...3 Radu Nicolae Cristea Using Nature and Bio-inspired Technologies for Building Innovative Proactive Security Mechanisms...7 A. Samaras, G. Pangalos, C. Ilioudis, and I. Pagkalos String Matching on a Multicore GPU Using CUDA...14 Charalampos S. Kouzinopoulos and Konstantinos G. Margaritis Adding Temporal Dimension to Ontologies via OWL Reification...19 Theodore Andronikos, Michalis Stefanidakis, and Ioannis Papadakis Session 2: Networking Data Management, AI, and Data Mining I Query Sensitive Storage for Wireless Sensor Networks...25 Alexis Papadimitriou, Dimitrios Katsaros, and Yannis Manolopoulos Data Mining for Player Modeling in Videogames...30 Kostas Anagnostou and Manolis Maragoudakis Automatic Generation of Cellular Neural Networks for Distributed Sensor Data Processing...35 Prodromos Chatziagorakis, Georgios Ch. Sirakoulis, and John Lygouras Session 3: Web Engineering Semantic Web Multimedia Metadata Retrieval: A Music Approach...43 Evangelos V. Moutselakis and Alexandros S. Karakos Software Agents in Multiple Adaptive Double Auction Markets...48 Lampros C. Stavrogiannis and Pericles A. Mitkas
Session 4: Algorithms and Theoretical Foundations II Embedding Test Patterns in Accumulator-Generated Sequences in O(1) Time...55 Nestor Ioannidis and Ioannis Voyiatzis Experimental Evaluation of Duplicate Insensitive Counting Algorithms...60 Michael Resvanis and Ioannis Chatzigiannakis On Descent Spectral CG Algorithms for Training Recurrent Neural Networks...65 I.E. Livieris, D.G. Sotiropoulos, and P. Pintelas Cascading Citations Indexing Framework Algorithm Implementation and Testing...70 Eleni Fragkiadaki, Georgios Evangelidis, Nikolaos Samaras, and Dimitris A. Dervos An Experimental Evaluation of a Parallel Genetic Algorithm Using MPI...75 Elias Hadjikyriacou, Nikolaos Samaras, and Konstantinos Margaritis A Stochastic Model Using Self-Organization to Explore the ICT Industry Evolution...80 Markos I. Avlonitis, Adamantia G. Pateli, and Ioannis A. Morfis Session 5: Networking Data Management, AI, and Data Mining II Classification of Large Biomedical Data Using ANNs Based on BFGS Method...87 I.E. Livieris, M.S. Apostolopoulou, D.G. Sotiropoulos, S. Sioutas, and P. Pintelas Information System for Graphological Identification...92 M. Panagopoulos, P. Rousopoulos, D. Arabadjis, and C. Papaodysseus The Use of Peer-to-Peer Networks in Copyright Protection...97 Dimitrios Tsolis, Eleftherios Georgatos, and Spyros Sioutas Comparison of Different Classifiers for Emotion Recognition...102 Theodoros Iliou and Christos-Nikolaos Anagnostopoulos Session 6: Languages, Text, and Speech Processing J%: Integrating Domain-Specific Languages with Java...109 Vassilios Karakoidas and Diomidis Spinellis Automatic Speech Recognition System for Home Appliances Control...114 Iosif Mporas, Todor Ganchev, Theodoros Kostoulas, Katia Kermanidis, and Nikos Fakotakis Using Hybrid HMM-Based Speech Segmentation to Improve Synthetic Speech Quality...118 Iosif Mporas, Alexandros Lazaridis, Todor Ganchev, and Nikos Fakotakis Session 7: E-business, E-health, E-government SEMPATH: Adapting Clinical Pathways by Utilizing Semantic Technologies...125 Dimitrios Alexandrou, Fotis Xenikoudakis, and Gregoris Mentzas
An Implementation of a Symbiotic Ecology with Self*-Properties in an ehealth Scenario...131 Athanasios G. Ouzounis, Ioannis D. Zaharakis, and Achilles D. Kameas Adaptive Evaluation of Portal Quality: An egovernment Case...136 Babis Magoutas and Gregoris Mentzas Session 8: Computer Networks New Metrics for Characterizing the Significance of Nodes in Wireless Networks via Path-Based Neighborhood Analysis...143 Leandros A. Maglaras and Dimitrios Katsaros Design Guidelines for Building a Wireless Sensor Network for Environmental Monitoring...148 Nikos Giannopoulos, Christos Goumopoulos, and Achilles Kameas Implementation of a SIP Extension to Enable a More Efficient Communication Control...153 Dimitris Makris, Giorgos Xenakis, Giannis Gonianakis, and Alexandros Kaloxylos A Study on the Performance of Adaptive Modulation and Cross-Layer Design in Cognitive Radio for Fading Channels...158 Fotis T. Foukalas and George T. Karetsos Investigation of Information Dissemination Design Criteria in Large-Scale Network Environments...163 Konstantinos Oikonomou, Dimitrios Kogias, Leonidas Tzevelekas, and Ioannis Stavrakakis Session 9: Computer Security and Privacy Privacy-Aware Passive Network Monitoring...171 Fotios Gogoulos, Anna Antonakopoulou, Aziz S. Mousas, Georgios V. Lioudakis, Dimitra I. Kaklamani, and Iakovos S. Venieris A Novel Stochastic Approach for Modeling Random Scanning Worms...176 Markos Avlonitis, Emmanouil Magkos, Michalis Stefanidakis, and Vassilis Chrissikopoulos A Foundation for Defining Security Requirements in Grid Computing...180 Antonios Gouglidis and Ioannis Mavridis Methods for Designing Privacy Aware Information Systems: A Review...185 Christos Kalloniatis, Evangelia Kavakli, and Stefanos Gritzalis Session 10: Human Computer Interaction and Educational Software Virtual Reality and Visualization I Multimodal Interfaces for Educational Virtual Environments...197 Dimitrios Christopoulos and Athanasios Gaitatzes Usability Assessment Heuristics in New Genre Videogames...202 Spyridon Papaloukas, Kiriakos Patriarcheas, and Michalis Xenos Avatars Appearance and Social Behavior in Online Virtual Worlds...207 Domna Banakou, Konstantinos Chorianopoulos, and Kostas Anagnostou
Session 11: Human Computer Interaction and Educational Software Virtual Reality and Visualization II Exploring Gadget-Based Interfaces for the Social Semantic Desktop...215 Konstantinos Christidis, Niki Papailiou, Gregoris Mentzas, and Dimitris Apostolou Quantum Game Simulator, Using the Circuit Model of Quantum...220 Vlachos Panagiotis and Ioannis Karafyllidis Author Index