2010 14th Panhellenic Conference on Informatics (PCI 2010) Tripoli, Greece 10 12 September 2010 IEEE Catalog Number: ISBN: CFP1063E-PRT 978-1-4244-7838-5
2010 14th Panhellenic Conference on Informatics PCI 2010 Table of Contents Message from the General Chairs...ix Message from the Program Chairs...x Organizing Committee...xi Program Committee...xii Additional Reviewers...xiv Information Systems Planning and Development of an Electronic Health Record Client Based on the Android Platform...3 Dimitris Tychalas and Athanasios Kakarountas Blueprints for a Large-Scale Early Warning System...7 Paul G. Spirakis, Vasileios Vlachos, Vassilios Karakoidas, Dimitrios Liappis, Dimitrios Kalaitzis, Eftychios Valeontis, Spyros Kollias, and George Argyros An Integrated Architecture for Remote Healthcare Monitoring...12 Georgios Lamprinakos, Evangelos Kosmatos, Dimitra Kaklamani, and Iakovos Venieris Utilizing UHF RFIDs to Enhance Museum Visiting Experience...16 Athanasios Fevgas, Panagiota Tsompanopoulou, Apostolos Tsiovoulos, Giorgos Drasidis, and Panayiotis Bozanis Dynamic Code Generation for Cultural Content Management...21 Maria Giatsoglou, Vasiliki Koutsonikola, Konstantinos Stamos, Athina Vakali, and Christos Zigkolis Software Engineering Open Source Licensing Across Package Dependencies...27 Maria Kechagia, Diomidis Spinellis, and Stephanos Androutsellis-Theotokis Software and Middleware Technologies Based on Open APIs and Protocols for Modern Service Provision in Telecoms...33 Nikolaos D. Tselikas, George S. Tselikis, and Nikos C. Sagias v
Aspects and Challenges of Mashup Creator Design...38 Lampros Goussis, Ioannis E. Foukarakis, and Dimitios N. Kallergis Factors for the Design of CMMI-Based Software Process Improvement Initiatives...43 Petros Dounos and George Bohoris Homogeneity and Enrichment: Two Metrics for Web Applications Assessment...48 Stavros Valsamidis, Sotirios Kontogiannis, Alexandros Karakos, and Ioannis Kazanidis Databases and Data Mining Interoperability and Design Issues of Spatial Data and Geographic Information Systems in Greece...55 Mersini Paschou, Evangelos Sakkopoulos, Efrosini Sourla, Athanasios Tsakalidis, and Giannis Tzimas The Effect of Training Set Selection in Meteorological Data Mining...61 Evangelos Tsagalidis and Georgios Evangelidis Parallel Collection of Live Data Using Hadoop...66 Kyriacos Talattinis, Aikaterini Sidiropoulou, Konstantinos Chalkias, and George Stephanides Graph Node Clustering via Transitive Node Similarity...72 Eleftherios Tiakas, Apostolos N. Papadopoulos, and Yannis Manolopoulos Low Resources Prepositional Phrase Attachment...78 Pavlos Nalmpantis, Romanos Kalamatianos, Konstantinos Kordas, and Katia Kermanidis Networking Bit Error and Outage Probability of Serial Relaying Communication Systems...85 Christos K. Datsikas, Kostas P. Peppas, Nikos C. Sagias, Nikolaos D. Tselikas, and George S. Tombras A Simple Analytical Model for the Calculation of Packet Blocking Probability in an Optical Packet Switching Netw...89 Franz Röck, John S. Vardakas, Ioannis D. Moscholios, Michael D. Logothetis, and Erich Leitgeb Opportunistic Beamforming in OFDMA Systems...93 Dimitra A. Zarbouti, Dimitra I. Kaklamani, George V. Tsoulos, and Georgia E. Athanasiadou Security and Privacy Practical Implementation of Identity Based Encryption for Secure E-mail Communication...101 Anastasios Kihidis, Konstantinos Chalkias, and George Stephanides Visualising Access Control: The PRISM Approach...107 Aziz S. Mousas, Anna Antonakopoulou, Fotios Gogoulos, Georgios V. Lioudakis, Dimitra I. Kaklamani, and Iakovos S. Venieris vi
When Security Meets Usability: A User-Centric Approach on a Crossroads Priority Problem...112 Christos A. Fidas, Artemios G. Voyiatzis, and Nikolaos M. Avouris Towards Differentiated Utilization of Attribute Mutability for Access Control in Ubiquitous Computing...118 Christos Grompanopoulos and Ioannis Mavridis PROACT: An Ontology-Based Model of Privacy Policies in Ambient Intelligence Environments...124 Ioannis Panagiotopoulos, Lambrini Seremeti, Achilles Kameas, and Vasilios Zorkadis Semantic Information Model for Privacy-Aware Access Control...130 Anna Antonakopoulou, Fotios Gogoulos, Georgios V. Lioudakis, Aziz S. Mousas, Dimitra I. Kaklamani, and Iakovos S. Venieris Cyberdiversity: Measures and Initial Results...135 Konstantinos Kravvaritis, Dimitris Mitropoulos, and Diomidis Spinellis Image and Information Processing Automatic Image Annotation and Retrieval Using the Joint Composite Descriptor...143 Konstantinos Zagoris, Savvas A. Chatzichristofis, Nikos Papamarkos, and Yiannis S. Boutalis Real-Time Motion Capture Technology on a Live Theatrical Performance with Computer Generated Scenery...148 Anthousis Andreadis, Alexander Hemery, Andronikos Antonakakis, Gabriel Gourdoglou, Pavlos Mauridis, Dimitrios Christopoulos, and John N. Karigiannis Evaluating Information Measures for the Gamma-order Multivariate Gaussian: Entropy Type Information Measures...153 Christos P. Kitsos and Thomas L. Toulias On Embedding Test Sets into Hardware Generated Sequences...158 D. Kavvadias, S. Sinitos, I. Voyiatzis, H. Antonopoulou, and C. Efstathiou Performance Analysis of Computer Networks Algorithms for Protection Capacity Assignment in Optical Networks...167 Ioannis Anagnostopoulos IMS Mobility Management in Integrated WiMAX-3G Architectures...170 Aggeliki Sgora and Dimitrios D. Vergados A Platform for Delivering Multimedia Presentations on Cultural Heritage...175 S. Bibi, P. Tsompanopoulou, A. Fevgas, N. Fraggogiannis, A. Martini, A. Zaharis, and P. Bozanis A Study on User Behavior and Acceptance of Electronic Banking Services...180 Aristeidis Chatzipoulidis and Ioannis Mavridis Surveying Privacy Leaks Through Online Social Network...184 Dimitrios Michalopoulos and Ioannis Mavridis vii
A Robust Dynamic Solution of the Router Buffer Sizing Problem...188 Christos Yfoulis and Christos Xanthopoulos Energy Efficiency and Implementation Cost of Trust-Aware Routing Solutions in WSNs...194 Theodore Zahariadis, Helen Leligou, Panagiotis Karkazis, and Panagiotis Trakadas Computers and Education Education 2.0: Bringing Innovation to the Classroom...201 Artistides Th. Vagelatos, Fragkiskos K. Foskolos, and Theodore P. Komninos A Web-Based Learning Enviroment for Geography...205 Panagiotis Theodorakopoulos, Persefoni Polychronidou, and Vasilios Tsiantos A Survey on How Online Games Usability Affects the Retention of Information...209 Spyridon Papaloukas, Christina Stoli, Kiriakos Patriarcheas, and Michalis Xenos Workplace E-learning: Exploring Factors Affecting Perceived Transfer of Training...214 Ioanna Talanti, Angeliki Poulymenakou, and Fotini Paraskeva Assessing the Attitudes of Agricultural Students of Technological Educational Institutions Towards ICT Education...218 Dimosthenis Mpoutakidis, Sophia Vassiliadou, and Theodore Amygdalas Intrinsic Motivation and the Sense of Community in Multiplayer Games: An Extended Framework for Educational Game Design...223 Sofia Mysirlaki and Fotini Paraskeva Teaching Informatics Survey of Software Environments for Parallel Distributed Processing: Parallel Programming Education on Real Life Target Systems Using Production Oriented Software Tools...231 Constantinos T. Delistavrou and Konstantinos G. Margaritis Teaching Introduction to Computing Through a Project-Based Collaborative Learning Approach...237 Nikolaos Avouris, Stefanos Kaxiras, Odysseas Koufopavlou, Kyriakos Sgarbas, and Polyxeni Stathopoulou Web-Based Simulation Systems in Technological Education Implemented as Micro-worlds...242 Anastasios Oikonomidis and Constantinos Iliopoulos Author Index...249 viii