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Costas Vassilakis - Publications In Journals, Conferences and Workshops

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  1. An Object-Oriented Data Model for Hypermedia Systems, M. Hatzopoulos, D. Gouscos, M. Spiliopoulou, C. Vassilakis and M. Vazirgiannis, in Proceedings of the DELTA Conference in Research and Development, pp. 483-493, The Hague, October 1990.
    Abstract
  2. Using Parallelism and Pipeline for the Optimisation of Join Queries, M. Spiliopoulou, M. Hatzopoulos and C. Vassilakis, in Proceedings of the PARLE Conference, Paris, June 1992.
    Abstract
  3. Parallel Optimisation of Join Queries Using a Technique of Exhaustive Nature, M. Spiliopoulou, M. Hatzopoulos and C. Vassilakis, in Computers and Artificial Intelligence, Vol. 12, 1993, No. 2.
    Abstract
  4. A Methodology for the Implementation of Software for the Design of Distributed Systems, C. Vassilakis, P. Georgiadis, D. Lelis, D. Mouzakis and M. Nikolaidou, Hellenic Informatics Conference, Patra 1993 (in Greek).
    Abstract
  5. Comparative Study of Protocols of the Transport Layer for Multimedia Applications, P. Kassapidis, C. Vassilakis, M. Nikolaidou, P. Georgiadis, Gr. Votsis and N. Pronios, Hellenic Informatics Conference, Patra 1993 (in Greek).
    Abstract
  6. An Enhanced System for File Access in a Distributed UNIX Environment, C. Boukouvalas, P. Georgiadis and C. Vassilakis, Hellenic Informatics Conference, Patra 1993 (in Greek).
    Abstract
  7. Transaction Support in a Temporal DBMS, C. Vassilakis, N. Lorentzos and P. Georgiadis, in Proceedings of International Workshop on Temporal Databases, Zurich, September 1995.
    Abstract
  8. A Cost Model for the Estimation of Query Execution Time in a Parallel Environment Supporting Pipeline, M. Spiliopoulou, M. Hatzopoulos and C. Vassilakis, in Journal Computers and Artificial Intelligence, Vol. 14, 1996, No. 1, pp. 341-368.
    Abstract
  9. A Comparative Study of Temporal DBMS Architectures, C. Vassilakis, P. Georgiadis, A. Sotiropoulou, in Proceedings of DEXA 96 workshop, Zurich, September 1996.
    Abstract
  10. Implementation of Transaction and Concurrency Control Support in a Temporal DBMS, C. Vassilakis, N. Lorentzos and P. Georgiadis, Information Systems, vol. 23 No 5, pp. 335-350, 1998.
    Abstract
  11. Temporal Extension to ODMG, A. Sotiropoulou, M. Souillard, C. Vassilakis, in Proceedings of the 3rd Biennial World Conference on Integrated Design and Process Technology, Vol. 2, Issues and Applications of Database Technology (IADT), Berlin, Germany, 1998, pp. 304-311.
    Abstract
  12. TOOBIS: Application of the Management of Temporal Data in Clinical Research (in French), M. Souillard, C. Vassilakis, A. Sotiropoulou, INFORSID '98 Actes des Conferences, pp. 145-168.
    Abstract
  13. Implementing Embedded Valid Time Query Languages, C. Vassilakis, P. Georgiadis, T. Selis, Proceedings of the DEXA '98 Conference, pp. 561-572.
    Abstract
  14. Is Server-Side Programming Killing Your Web Server?, C. Vassilakis, G. Lepouras, Poster presentation in ActiveWeb 99.
    Abstract
  15. Distributed information systems tailorability: A component approach, Dimitrios Theotokis, George-Dimitrios Kapos, Costas Vassilakis, Anya Sotiropoulou and Georgios Gyftodimos, Proceedings of the IEEE Workshop on Future Trends on Distributed Computing, Cape Town, 1999, pp. 95-101.
    Abstract | Download full paper from Computer.org
  16. An Optimization Scheme for Coalesce/Valid Time Selection Operator, Costas Vassilakis, SIGMOD Record, vol. 29, number 1, March 2000, pp. 38-43.
    Abstract | Download Full paper from ACM
  17. Multilingual Web Site Construction and Maintenance, George Lepouras and Costas Vassilakis, Proceedings of the SCI 2000 conference, Vol. I, Orlando, Florida, USA, pp. 56-61.
    Abstract
  18. An approach to designing and implementing virtual museums, D. Charitos, G. Lepouras, C. Vassilakis, V. Katifori and L. Halatsi, Proceedings of the seventh UK VR-SIG Conference, Glasgow, 2000.
    Abstract | Download full paper from the conference's site
  19. Function Oriented History Representation in Databases, L. Kovacs and C. Vassilakis, Computers and Artificial Intelligence, vol. 19, 2000, pp. 417-444.
    Abstract
  20. Building a VR - Museum in a Museum, G. Lepouras, D. Charitos, C. Vassilakis, A Charissi and L. Halatsi, Third International Virtual Reality Conference, VRIC2001, Laval, France, May 16-20, 2001.
    Abstract
  21. Designing a virtual museum within a museum, D. Charitos, G. Lepouras, C. Vassilakis, V. Katifori, A. Charissi, L. Halatsi, Proceedings of the VAST2001 Symposium, November 2001, Athens, Greece.
    Abstract
  22. e-Citizens and e-Consumers: Is There a Difference?, G. Laskaridis, C. Vassilakis, G. Lepouras, S. Rouvas, Proceedings of the PCHCI 2001 Workshop: "Transforming Web Surfers to E-Shoppers", Patras, Greece, December 2001, pp. 40-50.
    Abstract | Download workshop proceedings
  23. Serving Enhanced Hypermedia Information, G. Lepouras, C. Vassilakis, G. R. S. Weir, Proceedings of the ECIR02, 24th BCS-IRSG European Colloquium on IR Research, Lecture Notes in Computer Science 2291, pp. 86-92, Springer-Verlag Berlin Heidelberg 2002, pp. 86-92.
    Abstract
  24. SMARTGOV: A Governmental Knowledge-based Platform for Public Sector Online Services, E. Tambouris, G. Boukis, C. Vassilakis, G. Lepouras, S. Rouvas, R. Canadas, S. Heredia, J. C. Lopez Usero, Proceedings of the KMGov2002 Workshop, Copenhagen, Denmark, May 23-24, 2002, pp. 173-185.
    Abstract
  25. A system to support dissemination of knowledge and sharing of experiences in the working environment, G. Lepouras, C. Vassilakis and G. R. S. Weir, International Journal of Continuing Engineering Education and Life-Long Learning, Special Edition: Technological Support for New Educational Perspectives, vol. 13 no. 3/4, 2003, pp. 248-257.
    Abstract
  26. Controlled Caching of Dynamic WWW Pages, C. Vassilakis and G. Lepouras, Proceedings of the DEXA 2002 conference, pp. 9-18.
    Abstract
  27. Transactional e-Government Services: an Integrated Approach, C. Vassilakis, G. Laskaridis, G. Lepouras, S. Rouvas and P. Georgiadis, Proceedings of the 1st International Conference on Electronic Government-EGOV 2002, pp. 276-279.
    Abstract
  28. A Governmental Knowledge-based Platform for Public Sector Online Services, P. Georgiadis, G. Lepouras, C. Vassilakis, G. Boukis, T. Tambouris, S. Gorilas, E. Davenport, A. Macintosh, J. Fraser and D. Lochhead, Proceedings of the 1st International Conference on Electronic Government-EGOV 2002, pp. 362-369.
    Abstract
  29. An Object-Oriented Approach for Designing Administrative e-Forms and Transactional e-Services, D. Gouscos, S. Rouvas, C. Vassilakis and P. Georgiadis, Proceedings of the OOIS 2002 conference, pp. 19-30.
    Abstract
  30. A Framework for Managing the Lifecycle of Transactional e-Government Services, C. Vassilakis, G. Laskaridis, G. Lepouras, S. Rouvas, P. Georgiadis, Telematics and Informatics, vol. 20/4, pp 315-329, 2003, Elsevier Science Publications Ltd..
    Abstract
  31. Facilitating VR Museums Web Presence, George Lepouras, Akrivi Katifori, Costas Vassilakis, Anna Charissi, Proceedings of HCI 2003, vol. 4, pp. 1143-1147.
    Abstract
  32. Improving e-form layout through analysis of form semantics and validation checks, Costas Vassilakis, George Lepouras, Stathis Rouvas, Panagiotis Georgiadis, Proceedings of the CAiSE 2003 Forum, pp. 149-152.
    Abstract
  33. Integrating e-Government Public Transactional Services in the Public Authority Workflow, Costas Vassilakis, George Lepouras, Stathis Rouvas, Panagiotis Georgiadis, Electronic Government, vol. 1, no 1, pp. 49-60.
    Abstract
  34. E-forms services for the Public Sector: Shifting Development Effort from Programmers to Domain Experts, Stelios Gorilas, Kostas Vassilakis, Tomas Pariente Lobo, Efthimios Tabouris, proceedings of e-Challenges 2003.
    Abstract
  35. Tailorability in the context of E-government Information Systems: An approach, George Lepouras, Anya Sotiropoulou, Dimitrios Theotokis, Costas Vassilakis, proceedings of the IRMA 2004 Conference.
    Abstract
  36. Content enrichment through dynamic annotation, George Weir, George Lepouras, Costas Vassilakis, proceedings of the 6th International Conference on Enterprise Information Systems .
    Abstract
  37. Real exhibitions in a virtual museum, George Lepouras, Akrivi Katifori, Costas Vassilakis, Dimitrios Charitos, Virtual Reality, Volume 7, Number 2, pp. 120-128, Springer-Verlag.
    Abstract
  38. Adaptive Virtual Museums on the Web, George Lepouras and Costas Vassilakis, to appear as a book chapter in the book "Adaptable and Adaptive Hypermedia Systems" Sherry Y. Chen and George Magoulas (eds)..
    Abstract
  39. A Web Browser for ISDN Card Phones, Dimitris Maroulis, Sotiris Aronis, Vassiliki Nassiopoulou, Nikos Grammenos, Costas Vassilakis, to appear in the Journal of Internet Technology.
    Abstract
  40. Virtual Museums for all: Employing Game Technology for Edutainment, George Lepouras, Costas Vassilakis, to appear in the Virtual Reality Journal.
    Abstract
  41. Exploiting Form Semantics and Validation Checks to Improve e-Form Layout, Costas Vassilakis, George Lepouras, Stathis Rouvas and Panagiotis Georgiadis, to appear in the International Journal of Web Engineering and Technology.
    Abstract
  42. An XML model for electronic services, Costas Vassilakis, George Lepouras, Constantin Halatsis and Tomas Pariente Lobo, to appear in the Electronic Government journal.
    Abstract
  43. Reusability in Electronic Services Development, Costas Vassilakis, George Lepouras, proceedings of the CSITeA 04 conference.
    Abstract
  44. A Flexible Framework for Managing Temporal Clinical Trial Data, Michael Souillard, Carine Souveyet, Costas Vassilakis, Anya Sotiropoulou, to appear in the International Journal of Electronic Healthcare.
    Abstract
  45. Barriers To Electronic Service Development, Costas Vassilakis, George Lepouras, John Fraser, Simon Haston, Panagiotis Georgiadis, to appear in the e-Service Journal.
    Abstract
  46. A Blackboard-oriented Architecture for e-Government service composition, Costas Vassilakis, Anya Sotiropoulou, Dimitrios Theotokis, Dimitris Gouscos, to appear in the proceedings of the IRMA 2005 conference.
    Abstract
  47. An Active Ontology-based Blackboard Architecture for Web Service Interoperability, George Lepouras, Costas Vassilakis, Anya Sotiropoulou, Dimitrios Theotokis, Akrivi Katifori, to appear in the proceedings of the Second IEEE Conference on Service Systems and Service Management (ICSSSM 05).
    Abstract
  48. Ontology for e-Government public services, Costas Vassilakis, George Lepouras, to appear in the Encyclopedia of E-Commerce, E-Government and Mobile Commerce.
    Abstract
  49. Tailorable e-government information systems, George Lepouras, Anya Sotiropoulou, Dimitrios Theotokis, Costas Vassilakis, to appear in the Encyclopedia of E-Commerce, E-Government and Mobile Commerce.
    Abstract
  50. Adaptive Virtual Reality Shopping Malls, George Lepouras, Costas Vassilakis, to appear in the Encyclopedia of E-Commerce, E-Government and Mobile Commerce.
    Abstract
  51. A Semantics-Based Consultations Workbench, Costas Vassilakis, Dimitris Gouscos, Panagiotis Georgiadis, to appear in the proceedings of the 2005 ITI 3rd International Conference on Information and Communication Technology (IEEE).
    Abstract
  52. Domain Expert User Development: The SmartGov Approach, George Lepouras Costas Vassilakis, Constantin Halatsis, Panagiotis Georgiadis, to appear in Communications of the ACM.
    Abstract
  53. The Lifecycle Of Transactional Services, Costas Vassilakis, George Lepouras, To appear in the Encyclopedia of Digital Government.
    Abstract
  54. Reusability In Governmental Electronic Services, George Lepouras, Costas Vassilakis To appear in the Encyclopedia of Digital Government.
    Abstract
  55. Visualizing a Temporally-Enhanced Ontology, Katifori Akrivi, Vassilakis Costas, Lepouras Georgios, Daradimos Ilias, Halatsis Constantin, To appear in the proceedings of the ACM Advanced Visual Interfaces 06 Conference.
    Abstract
  56. A Comparative Study of Four Ontology Visualization Techniques in Protege: Experiment Setup and Preliminary Results, Akrivi Katifori , Elena Torou, Constantin Halatsis, Lepouras Georgios and Costas Vassilakis, To appear in the proceedings of the IV 06 Conference.
    Abstract
  57. A Context-Based Adaptive Visualization Environment, Maria Golemati, Constantin Halatsis, Costas Vassilakis, Akrivi Katifori, Georgios Lepouras, To appear in the proceedings of the IV 06 Conference.
    Abstract
  58. Web Service Execution Streamlining, Costas Vassilakis, George Lepouras, Akrivi Katifori, To appear in the proceedings of the the Third IEEE Conference on Service Systems and Service Management - ICSSSM 06.
    Abstract
  59. A Knowledge-Based Approach for Developing Multi-Channel e-Government Services, Costas Vassilakis, George Lepouras, Constantin Halatsis, To appear in the journal of Electronic Commerce Research and Applications.
    Abstract
  60. Reverse-engineering electronic services, Costas Vassilakis, George Lepouras, Akrivi Katifori, To appear in the Proceedings of the 1st International Conference on Software and Data Technologies (ICSOFT 2006).
    Abstract
  61. Creating an Historical Archive Ontology: Guidelines and Evaluation, Torou Elena, Katifori Akrivi, Vassilakis Costas, Lepouras Georgios, Halatsis Constantin, To appear in the Proceedings of the 1st International Conference on Digital Information Management (ICDIM 2006).
    Abstract
  62. Towards Dynamic, Relevance-Driven Exception Resolution in Composite Web Services, Kareliotis Christos, Vassilakis Costas, Georgiadis Panagiotis, To appear in the Proceedings of OOPSLA 2006, Fourth International Workshop on SOA & Web Services Best Practices
    Abstract
  63. Performance Analysis of Multistage Interconnection Networks determining optimal parameters for data-intensive business applications, D.C. Vasiliadis, G.E. Rizos, and C. Vassilakis, to appear in the Proceedings of the 7th IBIMA Conference, 2006
    Abstract
  64. Performance analysis of blocking banyan switches, D.C. Vasiliadis, G.E. Rizos, and C. Vassilakis, to appear in the Proceedings of the IEEE sponsored International Joint Conference on Computer, Information and System Sciences and Engineering - CIS2E 06
    Abstract
  65. Towards a P2P world: peered taxation, M. Kalikakis, D. Gouscos, K. Vassilakis, P. Georgiadis, to appear in the Proceedings of the 2nd International Workshop "E-taxation: State & Perspectives"
    Abstract
  66. Historical Archive Ontologies - Requirements, Modeling and Visualization, Katifori Akrivi, Torou Elena, Vassilakis Costas, Lepouras Georgios, Halatsis Constantin, Daradimos Elias, to appear in the proceedings of the First IEEE International Conference on Research Challenges in Information Science (RCIS), Morocco 2007
    Abstract
  67. Creating an Ontology for the User Profile: Method and Applications, Maria Golemati, Akrivi Katifori, Costas Vassilakis, George Lepouras, Constantin Halatsis, to appear in the proceedings of the First IEEE International Conference on Research Challenges in Information Science (RCIS), Morocco 2007
    Abstract
  68. Component Reuse in Electronic Services Development, Costas Vassilakis, George Lepouras to appear in a special issue of the Journal of Computational Methods in Science and Engineering
    Abstract
  69. Ontology Visualization Methods - A Survey, Akrivi Katifori, Constantin Halatsis, George Lepouras, Costas Vassilakis, Eugenia Giannopoulou to appear in ACM Computing Surveys
    Abstract
  70. Performance Analysis of dual priority single-buffered blocking Multistage Interconnection Networks, D. C. Vasiliadis , G. E. Rizos , C. Vassilakis to appear in the Proceedings of ICNS 07, IEEE press
    Abstract
  71. Evaluating the Significance of the Windows Explorer Visualization in Personal Information Management Browsing tasks, Maria Golemati, Akrivi Katifori, Eugenia G. Giannopoulou, Ilias Daradimos, Costas Vassilakis, to appear in the Proceedings of Information Visualization 07, IEEE press
    Abstract
  72. Enhancing BPEL scenarios with Dynamic Relevance-Based Exception Handling, Chris Kareliotis, Costas Vassilakis, Panayiotis Georgiadis, Proceedings o f the IEEE 2007 International Conference on Web Services (ICWS)
    Abstract
  73. An Approach for re-engineering the Taxation Process to Support Participatory Decisions on Tax Budget Allocation, Manolis Kalikakis, Dimitris Gouscos, Costas Vasillakis, Panagiotis Georgiadis, Proceedings of the 1st International Conference on Methodologies, Technologies and Tools enabling e-Government
    Abstract
  74. Performance Analysis of two-priority network schema for single-buffered delta networks, D. C. Vasiliadis, G. E. Rizos, C. Vassilakis, E. Glavas, Proceedings of The 18th Annual IEEE International Symposium on Personal, Indoor and Mobile Radio Communications (PIMRC'07), CAMAD 07 Workshop
    Abstract
  75. Exploiting Context in Mobile Applications, Benou Poulcheria, Vassilakis Costas, To appear in Encyclopedia of Information Science and Technology, Second Edition
    Abstract
  76. Virtual reality in the e-Society, G. D. Magoulas, G. Lepouras, C. Vassilakis, Virtual Reality Journal, Special issue "Virtual reality in the e-Society", editorial preface
    Abstract
  77. Mobile and Context-Aware e-Commerce: Issues, Challenges and Research Directions, Costas Vassilakis, George Lepouras, Spiros Skiadopoulos, to appear in the Journal of Electronic Commerce in Organizations, Special Issue Editorial Preface
    Abstract
  78. The role of priority mechanisms on performance metrics of double-buffered Switching Elements, D. C. Vasiliadis, G. E. Rizos, C. Vassilakis, Proceedings of ICCMSE 2007
    Abstract
  79. Performance Evaluation of Distance Vector Routing Protocol on a Wireless Circular Model, D. C. Vasiliadis, G. E. Rizos, C. Vassilakis, Proceedings of the IEEE sponsored International Joint Conference CISSE 2007
    Abstract
  80. An Active Blackboard for Service Discovery, Composition and Execution, George Lepouras, Costas Vassilakis, Anya Sotiropoulou, Dimitrios Theotokis, Akrivi Katifori, to appear in the International Journal of e-Government
    Abstract
  81. Personal Ontology Creation and Visualization for a Personal Interaction Management System, Akrivi Katifori, Costas Vassilakis, Ilias Daradimos, George Lepouras, Yannis Ioannidis, Alan Dix, Antonella Poggi, Tiziana Catarci, Proceedings of PIM, CHI 2008,
    Abstract
  82. Using Spreading Activation through Ontologies to Support Personal Information Management, Akrivi Katifori, Costas Vassilakis, Alan Dix, Proceedings of CSKGOI, within IUI 2008,
    Abstract
  83. Context and Adaptivity-Driven Visualization Method Selection, Maria Golemati, Costas Vassilakis, Akrivi Katifori, George Lepouras, Constantin Halatsis, Chapter in "Intelligent User Interfaces: Adaptation and Personalization Systems and Technologies",
    Abstract
  84. Improving Performance of Finite-buffered Blocking Delta Networks with 2-class Priority Routing through Asymmetric-sized Buffer Queues, D. C. Vasiliadis, G. E. Rizos, C. Vassilakis, Proceedings of the Fourth Advanced International Conference on Telecommunications AICT 2008, IEEE Press,
    Abstract
  85. Selected Results of a Comparative Study of Four Ontology Visualization Methods for Information Retrieval tasks, Akrivi Katifori, Elena Torou, Costas Vassilakis, Georgios Lepouras, Constantin Halatsis, Proceedings of IEEE RCIS 2008,
    Abstract
  86. WhereRU: GPS position reporting and a personal ontology as a virtual community utility, I. Daradimos, A. Katifori, C. Vassilakis, Proceedings of IEEE RCIS 2008,
    Abstract
  87. A Heuristics-Based Approach to Reverse Engineering of Electronic Services, Costas Vassilakis, George Lepouras, Akrivi Katifori, to appear in Information and Software Technology,
    Abstract
  88. An Interview-Based User Study on the use of Visualizations for Folder Browsing, Maria Golemati, Akrivi Katifori, Eugenia G. Giannopoulou, Ilias Daradimos, Costas Vassilakis, George Lepouras, Constantin Halatsis, Proceedings of IV 08,
    Abstract
  89. Supporting Research in Historical Archives: Historical Information Visualization and Modeling Requirements, Akrivi Katifori, Elena Torou, Costas Vassilakis, Constantin Halatsis, Proceedings of IV 08,
    Abstract
  90. An Integrated Environment for Cataloguing and Online Presentation of Museum Exhibits, Costas Vassilakis, Akrivi Katifori, Elias Daradimos and George Lepouras, DESIDOC Journal of Library and Information Technology, Vol. 28, No. 4, July 2008, pp. 72-78,
    Abstract
  91. Routing and Performance Analysis of Double-Buffered Omega Networks Supporting Multi-Class Priority Traffic, D. C. Vasiliadis, G. E. Rizos, C. Vassilakis, E. Glavas, Proceedings of ICSNC 2008, IEEE press
    Abstract
  92. A Game-Engine Based Virtual Museum Authoring and Presentation System, Victor Mateevitsi, Michael Sfakianos, George Lepouras, Costas Vassilakis, Proceedings of ACM DIMEA 2008
    Abstract
  93. Exception Resolution for BPEL Processes: a Middlewarebased Framework and Performance Evaluation, Christos Kareliotis, Costas Vassilakis, Efstathios Rouvas and Panayiotis Georgiadis, Proceedings of the tenth International Conference on Information Integration and Web-based Applications & Services (iiWAS2008)
    Abstract
  94. Ontologies as Tools for Historians, Akrivi Katifori, Costas Vassilakis, poster presentation in the International Symposium on Information & communication technologies in cultural heritage, Ioannina, Greece, October 16-18, 2008
    Abstract
  95. A Drupal CMS Module for Managing Museum Collections, Daradimos Ilias, Costas Vassilakis Akrivi Katifori, poster presentation in the International Symposium on Information & communication technologies in cultural heritage, Ioannina, Greece, October 16-18, 2008
    Abstract
  96. Evaluation study of a wireless multimedia traffic-oriented network model, D. C. Vasiliadis, G. E. Rizos, C. Vassilakis, AIP conference proceedings 1060 (procs. of IECCS 2007), pp. 379-384, 2008
    Abstract
  97. Performance Evaluation of Multicast Routing over Multilayer Multistage Interconnection Networks, D. C. Vasiliadis, G. E. Rizos, C. Vassilakis, E. Glavas Proceedings of the Fifth Advanced International Conference on Telecommunications (AICT 2009), IEEE press
    Abstract
  98. Ontologies and the Brain: Using Spreading Activation through Ontologies to Support Personal Interaction, Akrivi Katifori, Costas Vassilakis, Alan Dix, Cognitive Systems Research, Special Issue on Brain Informatics
    Abstract
  99. Routing and Performance Evaluation of Dual Priority Delta Networks under Hotspot Environment, D. C. Vasiliadis, G. E. Rizos, C. Vassilakis, Proceedings of Conference on Advances in Future Internet (AFIN 2009), IEEE Press
    Abstract
  100. QoS-Driven Adaptation of BPEL Scenario Execution, Kareliotis Christos, Costas Vassilakis, Efstathios Rouvas, Panayiotis Georgiadis, Proceedings of IEEE International Conference on Web Services, 2009
    Abstract
  101. QoS-aware Exception Resolution for BPEL Processes: A Middleware-based Framework and Performance Evaluation, Kareliotis Christos, Costas Vassilakis, Efstathios Rouvas, Panayiotis Georgiadis, to appear in the International Journal on Web and Grid Services (IJWGS)
    Abstract
  102. A framework for adaptation in secure web services, Costas Vassilakis, Kareliotis Christos, Proceedings of MCIS 2009
    Abstract
  103. Visualizing Hierarchies: Evaluating the Efficiency and Cognitive Effects of Six Visualization Techniques for Browsing and Management Tasks, Golemati, Marianthi, Vassilakis, Costas, Katifori, Akrivi, Lepouras, George, Halatsis, Constantin, Poster presentation in IV 09
    Abstract
  104. Capturing the historical research methodology: an experimental approach, Torou Elena, Katifori Akrivi, Vassilakis Costas, Lepouras Georgios, Halatsis Constantin, Proceedings of International Conference of Education, Research and Innovation (ICERI 2009), Madrid, November 16-18, 2009
    Abstract
  105. Spreading Activation Over Ontologies: From Personal Context To Web Scale Reasoning, Alan Dix, Akrivi Katifori, Giorgos Lepouras, Costas Vassilakis and Nadeem Shabir To appear in the International Journal of Semantic Computing, Special issue on Web Scale Reasoning
    Abstract
  106. A methodology for the design of online exhibitions, Angeliki Antoniou, George Lepouras and Costas Vassilakis To appear in DESIDOC Journal of Library and Information Technology, Special Issue on Online Exhibitions
    Abstract
  107. The Conceptual Model of Context for Mobile Commerce Applications, Benou Poulcheria, Vassilakis Costas, To appear in Electronic Commerce Research, Springer-Verlag
    Abstract
  108. From the Web of Data to a World of Action, Alan Dix, Giorgos Lepouras, Akrivi Katifori, Costas Vassilakis, Tiziana Catarci, Antonella Poggi, Yannis Ioannidis, Miguel Mora, Ilias Daradimos, Nazihah Md.Akim, Shah Rukh Humayoun, Fabio Terella To appear in Journal of Web Semantics
    Abstract
  109. Improving performance of a wireless multimedia traffic-oriented network through prediction of routing, D. C. Vasiliadis, G. E. Rizos, C. Vassilakis, International Journal on Information Technologies & Security, no 3, 2010
    Abstract
  110. Historical research in archives: user methodology and supporting tools, Elena Torou, Akrivi Katifori, Costas Vassilakis, George Lepouras, Constantin Halatsis, to appear in International Journal of Digital Libraries, Springer-Verlag
    Abstract
  111. Modelling and performance evaluation of a novel internal priority routing scheme for finite-buffered multistage interconnection networks, D. C. Vasiliadis, G. E. Rizos, C. Vassilakis and E. Glavas, to appear in International Journal of Parallel, Emergent and Distributed Systems, Taylor & Francis
    Abstract
  112. Performance Analysis of Dual-Priority Multilayer Multistage Interconnection Networks under Multicast Environment, D. C. Vasiliadis, G. E. Rizos, C. VassilakiS to appear in Journal of Networks, Academy publishers
    Abstract
  113. Performance Study of Multi-Layered Multistage Interconnection Networks under Hotspot Traffic Conditions, D. C. Vasiliadis, G. E. Rizos, C. Vassilakis to appear in Journal of Computer Systems, Networks, and Communications, Hindawi Publishing Corporation
    Abstract
  114. Spreading Activation for Web Scale Reasoning: Promise and Problems, Nazihah Md. Akim, Alan Dix, Akrivi Katifori, Giorgos Lepouras, Nadeem Shabir, Costas Vassilakis ACM WebSci 11, poster presentation
    Abstract
  115. A Software Architecture for Provision of Context-Aware Web-based m-Commerce Applications, Poulcheria Benou and Costas Vassilakis Proceedings of the 11th IEEE International Conference on Computer and Information Technology (CIT 2011)
    Abstract
  116. Wikis in enterprise settings: a survey, Lykourentzou Ioanna, Dagka Foteini, Papadaki Katerina, Lepouras Giorgos and Vassilakis Costas, Enterprise Information Systems. First published on: 14 June 2011 (iFirst) DOI: 10.1080/17517575.2011.580008, URL: http://dx.doi.org/10.1080/17517575.2011.580008.
    Abstract
  117. A methodological framework for the cognitive-behavioural evaluation of educational e-games, Angeliki Antoniou, Dimitris Diakakis, George Lepouras and Costas Vassilakis, To appear in International Journal of Learning Technology.
    Abstract
  118. Performance Analysis of Multi-Layered Multi-Priority Assymetric-Sized Delta Networks, D. C. Vasiliadis, G. E. Rizos, C. Vassilakis to appear in Journal of Computer Networks, and Communications, Hindawi Publishing Corporation.
    Abstract
  119. Supporting User Roles in Ontology Fuzzification, Manolis Wallace, Panos Alexopoulos, Ioannis Papafragkos and Costas Vassilakis Proceedings of the 6th International Workshop on Semantic media adaptation and personalization, December 1-2, 2011 Vigo (Spain), IEEE press.
    Abstract
  120. OntoFM: A Personal Ontology-based File Manager for the Desktop, Rompa, J., Lepouras, G., Vassilakis C., and Tryfonopoulos, C. Demo at the 10th International Web Conference, 2011, Bonn, Germany.
    Abstract | Demo material
  121. A distributed recommender system architecture, Panagiotis Giannikopoulos and Costas Vassilakis International Journal of Web Engineering and Technology, vol 7(3), 2012.
    Abstract
  122. Class-Based Weighted Fair Queuing Scheduling on Dual-Priority Delta Networks, D. C. Vasiliadis, G. E. Rizos, C. Vassilakis To appear in Journal of Computer Networks and Communications.
    Abstract
  123. Context Management for m-Commerce Applications: Determinants, Methodology and the Role of Marketing, Poulcheria Benou, Costas Vassilakis, Adam Vrechopoulos Information Technology and Management vol. 13, pp. 91.111, 2012, Springer-Verlag.
    Abstract
  124. A context management architecture for m-commerce applications, Poulcheria Benou, Costas Vassilakis To appear in Central European Journal of Computer Science, Versita, co-published with Springer Verlag.
    Abstract
  125. Class-Based Weighted Fair Queuing Scheduling on Quad-Priority Delta Networks, D. C. Vasiliadis, G. E. Rizos, C. Vassilakis to appear in International Journal of Parallel, Emergent and Distributed Systems, Taylor & Francis.
    Abstract
  126. An integrated framework for QoS-based adaptation and exception resolution in WS-BPEL scenarios, D. Margaris, C. Vassilakis and P. Georgiadis Proceedings of the 2013 ACM Symposium on Applied Computing, SOAP track.
    Abstract
  127. Modelling and performance study of finite-buffered blocking Multistage Interconnection Networks supporting natively 2-class priority routing traffic, D. C. Vasiliadis, G. E. Rizos, C. Vassilakis to appear in Journal of of Network and Computer Applications, Elsevier.
    Abstract
  128. Adapting WS-BPEL scenario execution using collaborative filtering techniques, D. Margaris, P. Georgiadis, C. Vassilakis Proceedings of the IEEE RCIS 2013 conference.
    Abstract
  129. Improving museum visitors' Quality of Experience through intelligent recommendations: A visiting style-based approach, Ioanna Lykourentzou, Xavier Claude, Yannick Naudet, Eric Tobias, Angeliki Antoniou, George Lepouras and Costas Vasilakis Proceedings of MASIE 2013 Workshop, co-located with the 9th International Conference on Intelligent Environments IE'13.
    Abstract
  130. User Profiling: Towards a Facebook Game that Reveals Cognitive Style, Angeliki Antoniou, Ioanna Lykourentzou, Jenny Rompa, Eric Tobias, George Lepouras, Costas Vassilakis, Yannick Naudet. Proceedings of the GALA 2013 conference, Paris, October 2013.
    Abstract
  131. Mindmap-Inspired Semantic Personal Information Management, Jenny Rompa, Christos Tryfonopoulos, Costas Vassilakis, George Lepouras Demo at the 17th International Conference on Extending Database Technology, 2014, Athens, Greece.
    Abstract
  132. Performance Tuning of Dual-priority Delta Networks through Queuing Scheduling Disciplines, D. C. Vasiliadis, G. E. Rizos, C. Vassilakis, Journal of Communications Software and Systems, vol. 9, no. 4, December 2013, pp. 222-235.
    Abstract
  133. Towards a Learning Analytics Platform for Supporting the Educational Process, George Lepouras, Akrivi Katifori, Costas Vassilakis, Angeliki Antoniou, Nikos Platis, Proceedings of the 5th Conference on Information, Intelligence, Systems & Application (IISA2014).
    Abstract
  134. Visualization method effectiveness in ontology-based information retrieval tasks involving entity evolution, Akrivi Katifori, Costas Vassilakis, George Lepouras, Elena Torou, Constantin Halatsis Proceedings of SMAP 2014.
    Abstract
  135. An integrated framework for adapting WS-BPEL scenario execution using QoS and collaborative filtering techniques, D. Margaris, C. Vassilakis, P. Georgiadis Science of Computer Programming 98(2015) 707.734.
    Abstract
  136. A Hybrid Framework for WS-BPEL Scenario Execution Adaptation, Using Monitoring and Feedback Data, D. Margaris, C. Vassilakis, P. Georgiadis Proceedings of ACM SAC 2015.
    Abstract
  137. A Collaborative Filtering Algorithm with Clustering for Personalized Web Service Selection in Business Processes, Dionisis Margaris, Panagiotis Georgiadis, Costas Vassilakis Proceedings of RCIS 2015.
    Abstract
  138. Effectiveness of visualization for information retrieval through ontologies with entity evolution: the impact of ontology modelling, Akrivi Katifori, Costas Vassilakis, George Lepouras, Elena Torou International Journal of Information Retrieval Research 5(2), 2015.
    Abstract
  139. On Replacement Service Selection in WS-BPEL Scenario Adaptation, D. Margaris, P. Georgiadis, C. Vassilakis Proceedings of the 8th IEEE International Conference on Service Oriented Computing & Applications.
    Abstract
  140. A mobile-enabled platform for presenting and disseminating cultural heritage information enhanced with augmented reality, K. Masselos, C. Vassilakis, G. Lepouras, C. Trifonopoulos, N. Tselikas, N. Platis 1st Panhellenic Conference on Cultural Heritage Digitization, 2015.
    Abstract
  141. Improving QoS Delivered by WS-BPEL Scenario Adaptation through Service Execution Parallelization, D. Margaris, C. Vassilakis, P. Georgiadis Proceedings of the ACM Symposium on Applied Computing, 2016.
    Abstract
  142. The use of semantics in the CrossCult H2020 project, Stavroula Bampatzia, Omar Gustavo Bravo-Quezada, Angeliki Antoniou, Martin Lopez Nores, Manolis Wallace, George Lepouras and Costas Vasilakis Proceedings of the second International KEYSTONE Conference, (IKC2016), 2016.
    Abstract
  143. Interconnecting Objects, Visitors, Sites and (Hi)Stories across Cultural and Historical Concepts: the CrossCult project, Costas Vassilakis, Angeliki Antoniou, George Lepouras, Manolis Wallace, Ioanna Lykourentzou and Yannick Naudet Proceedings of the second International Conference On Digital Heritage (Euromed2016), 2016.
    Abstract
  144. Knowledge-Based Leisure Time Recommendations in Social Networks Dionisis Margaris, Costas Vassilakis, Panagiotis Georgiadis, chapter in: Current Trends on Knowledge-Based Systems: Theory and Applications, to be published in January 2017.
    Abstract
  145. Using Social media to stimulate history reflection in cultural heritage Stavroula Bampatzia, Angeliki Antoniou, George Lepouras, Costas Vasilakis and Manolis Wallace, Proceedings of SMAP 2016.
    Abstract
  146. Pruning and Aging for User Histories in Collaborative Filtering Dionisis Margaris and Costas Vassilakis, Proceedings of the 2016 IEEE Symposium Series on Computational Intelligence.
    Abstract
  147. Serious games: Valuable Tools for Cultural Heritage Stavroula Bampatzia, Ioannis Bourlakos, Angeliki Antoniou, Costas Vassilakis, George Lepouras, Manolis Wallace, Proceedings of the 2016 Games and Learning Alliance Conference 2016.
    Abstract
  148. Recommendation Information Diffusion in Social Networks Considering User Influence and Semantics Dionisis Margaris, Costas Vassilakis and Panagiotis Georgiadis, Social Network Analysis and Mining, 6(1), 1-22, 2016, Springer, DOI: 10.1007/s13278-016-0416-z, View at Springerlink.
    Abstract
  149. Query personalization using social network information and collaborative filtering techniques Dionisis Margaris, Costas Vassilakis and Panagiotis Georgiadis, Future Generation of Computer Systems, Special Issue on Recommender Systems for Large-Scale Social Networks, 2017
    Abstract
  150. Improving Collaborative Filtering’s Rating Prediction Quality in Dense Datasets, by Pruning Old Ratings Dionisis Margaris and Costas Vassilakis, Proceedings of the 22nd IEEE Symposium on Computers and Communications (ISCC17), 2017
    Abstract
  151. Personalized Augmented Reality Experiences in Museums using Google Cardboards Marinos Theodorakopoulos, Nikos Papageorgopoulos, Andriana Mourti, Angeliki Antoniou, Manolis Wallace, George Lepouras, Costas Vassilakis and Nikos Platis, Proceedings of SMAP 2017, 2017
    Abstract
  152. Improving Collaborative Filtering’s Rating Prediction Quality by Considering Shifts in Rating Practices Dionisis Margaris and Costas Vassilakis, Proceedings of the 19th IEEE International Conference on business informatics (CBI17), 2017
    Abstract
  153. Formalization and visualization of the narrative for museum guides Ioannis Bourlakos, Manolis Wallace, Angeliki Antoniou, Costas Vassilakis, George Lepouras and Anna Vassiliki Karapanagiotou, Proceedings of the third International KEYSTONE Conference, (IKC2017), 2017
    Abstract
  154. Enhancing User Rating Database Consistency through Pruning Dionisis Margaris and Costas Vassilakis, to appear in Transactions on Large-Scale Data- and Knowledge-Centered Systems, special issue on Consistency and Inconsistency in Data-centric Applications, Springer
    Abstract
  155. Exploiting Internet of Things Information to Enhance Venues' Recommendation Accuracy Dionisis Margaris and Costas Vassilakis, to appear in Service Oriented Computing and Applications, Springer
    Abstract
  156. Stimulation of Reflection and Discussion in Museum Visits through the use of Social Media Costas Vassilakis, Angeliki Antoniou, George Lepouras, Vassilis Poulopoulos, Manolis Wallace, Stavroula Bampatzia and Ioannis Bourlakos, to appear in Social Networks Analysis and Mining, Springer
    Abstract
  157. Modeling Server Workloads for Campus Email Traffic Using Recurrent Neural Networks Spyros Boukoros, Anupiya Nugaliyadde, Angelos Marnerides, Costas Vassilakis, Polychronis Koutsakis and Kok Wai Wong Proceedings of the 24th International Conference on Neural Information Processing (ICONIP 2017)
    Abstract