An Intranet Solution for the Support of Administrative Operations and Research Collaboration for a University. - Bill Vassiliadis; John D. Garofalakis; Panagiotis Kappos; Athanasios K. Tsakalidis; John Tsaknakis; John Tzimas (WebNet, 1998)

An Index Structure for the Support of Partial and Exact Match Queries in Database Systems. - Spyros Sioutas; Athanasios K. Tsakalidis; John Tsaknakis; Bill Vassiliadis (ADBIS (Short Papers), 1999)

Communication and Collaborative Work via Intranet Technologies. - John D. Garofalakis; Panagiotis Kappos; T. Kondilis; Athanasios K. Tsakalidis; John Tsaknakis; John Tzimas; Bill Vassiliadis (WebNet, 1999)

2-D Spatial Indexing Scheme in Optimal Time. - Nectarios Kitsios; Christos Makris 001; Spyros Sioutas; Athanasios K. Tsakalidis; John Tsaknakis; Bill Vassiliadis (ADBIS-DASFAA, 2000)

Towards Intelligent Information Retrieval Engines: A Multi-agent Approach. - Christos Makris 001; Athanasios K. Tsakalidis; Bill Vassiliadis (ADBIS-DASFAA, 2000)

The Eurydices System: Objectives and Services. - Kostas Bovilas; Aspasia Kanta; Christos Makris 001; John Tsaknakis; Athanasios K. Tsakalidis; Jim Prentzas; Evangelos Sakkopoulos; Spyros Sioutas; Bill Vassiliadis (WebNet, 2000)

A Service Oriented Standardised System for Virtual Private Networks. - Hera Antonopoulou; Kostas Giotopoulos; Spiros Likothanassis; Athanasios K. Tsakalidis; Nikos Bogonikolos; Bill Vassiliadis (AICCSA, 2001)

Managing Risk in Extended Enterprises. - Bill Vassiliadis; Athanasios K. Tsakalidis; Kostas Giotopoulos; Spiros Likothanassis; Nikos Bogonikolos; P. Gatomatis; K. Platikostas (ICEIS (2), 2001)

Adapting Information Presentation and Retrieval through User Modelling. - Christos Makris 001; Athanasios K. Tsakalidis; Bill Vassiliadis; Nikos Bogonikolos (ITCC, 2001)

On distributed information retrieval in virtual enterprises. - Kostas Giotopoulos; Bill Vassiliadis; Nikos Bogonikolos; Athanasios K. Tsakalidis; Spiros D. Likothanassis (SMC, 2001)

An optimal algorithm for reporting visible rectangles. - Nectarios Kitsios; Christos Makris 001; Spyros Sioutas; Athanasios K. Tsakalidis; John Tsaknakis; Bill Vassiliadis (Inf. Process. Lett., 2002)

Application Service Provision through the Grid: Business models and Architectures. - Bill Vassiliadis; Kostas Giotopoulos; Konstantinos Votis; Spyros Sioutas; Nikos Bogonikolos; Spiros Likothanassis (ITCC (1), 2004)

Could Grid facilitate demanding Media Watermarking Applications? - Bill Vassiliadis; Vassilis E. Fotopoulos; Michalis Nik Xenos; Athanassios N. Skodras (LeGE-WG 4, 2004)

The Grid as an Application Service Provision enabler: Business and Architectural issues. - Bill Vassiliadis; Kostas Giotopoulos; Konstantinos Votis; Spiros Likothanassis; Nikos Bogonikolos; Athanasios K. Tsakalidis (J. Digit. Inf. Manag., 2004)

Geometric Retrieval for Grid Points in the RAM Model. - Spyros Sioutas; Christos Makris 001; Nectarios Kitsios; George Lagogiannis; John Tsaknakis; Kostas Tsichlas; Bill Vassiliadis (J. Univers. Comput. Sci., 2004)

GRID Technologies => 'Education' = 'Distance Education'. - Michalis Nik Xenos; Bill Vassiliadis; Athanassios N. Skodras (ELeGI Conference, 2005)

NIPPERS: Network of InterPolated PeERS for Web Service Discovery. - Christos Makris 001; Evangelos Sakkopoulos; Spyros Sioutas; Peter Triantafillou; Athanasios K. Tsakalidis; Bill Vassiliadis (ITCC (2), 2005)

Protecting Intellectual Property Rights and the JPEG2000 Coding Standard. - Bill Vassiliadis; Vassilis E. Fotopoulos; A. Ilias; Athanassios N. Skodras (Panhellenic Conference on Informatics, 2005)

Decentralising the Digital Rights Management Value Chain by means of Distributed License Catalogues. - Bill Vassiliadis; Vassilis E. Fotopoulos; Athanassios N. Skodras (AIAI, 2006)

On the quality assessment of advanced e-learning services. - Antonia Stefani; Bill Vassiliadis; Michalis Nik Xenos (Interact. Technol. Smart Educ., 2006)

From application service provision to service-oriented computing: A study of the IT outsourcing evolution. - Bill Vassiliadis; Antonia Stefani; John Tsaknakis; Athanasios K. Tsakalidis (Telematics Informatics, 2006)

A Multilayer Ontology Scheme for Integrated Searching in Distributed Hypermedia. - Christos Alexakos; Bill Vassiliadis; Konstantinos Votis; Spiridon D. Likothanassis (Adaptive and Personalized Semantic Web, 2006)

Behavioral Patterns in Hypermedia Systems: A Short Study of E-commerce vs. E-learning Practices. - Antonia Stefani; Bill Vassiliadis; Michalis Nik Xenos (Adaptive and Personalized Semantic Web, 2006)

IPR Protection for Digital Media Distribution: Trends and Solutions in the E-Business Domain. - Bill Vassiliadis; Vassilis E. Fotopoulos (Int. J. E Bus. Res., 2007)

Designing for Service-Oriented Computing. - Bill Vassiliadis (J. Cases Inf. Technol., 2007)

Efficient Access Methods for Temporal Interval Queries of Video Metadata. - Spyros Sioutas; Kostas Tsichlas; Bill Vassiliadis; Dimitris K. Tsolis (J. Univers. Comput. Sci., 2007)

Large-scale deployment of distance education in computer science at the Hellenic Open University. - Michalis Nik Xenos; Thrasyvoulos Tsiatsos; Bill Vassiliadis (Int. J. Knowl. Learn., 2008)

An ontologically principled service-oriented architecture for managing distributed e-government nodes. - Konstantinos Votis; Christos Alexakos; Bill Vassiliadis; Spiridon D. Likothanassis (J. Netw. Comput. Appl., 2008)

Enabling Enhanced Learning in an Open University Environment: A Grid-Aware Architecture. - Bill Vassiliadis; Michalis Nik Xenos; Antonia Stefani (Int. J. Inf. Commun. Technol. Educ., 2009)

The Grid as a Virtual Enterprise Enabler. - Bill Vassiliadis (Int. J. Inf. Syst. Serv. Sect., 2009)

Dynamic Web Service discovery architecture based on a novel peer based overlay network. - Spyros Sioutas; Evangelos Sakkopoulos; Christos Makris 001; Bill Vassiliadis; Athanasios K. Tsakalidis; Peter Triantafillou (J. Syst. Softw., 2009)

Adaptation Strategies: A Comparison between E-Learning and E-Commerce Techniques. - Bill Vassiliadis; Antonia Stefani (AIAI (2), 2012)

A closer look at MOOC's adoption from a qualitative perspective. - Bill Vassiliadis; Achilles Kameas; Cleo Sgouropoulou (PCI, 2016)

The quality of open online education: Towards a reference framework for MOOCs. - Christian M. Stracke; Achilles Kameas; Bill Vassiliadis; Cleo Sgouropoulou; Antonio Moreira Teixeira; M. do Carmo Pinto; G. Vidal (EDUCON, 2017)

Gap between MOOC Designers' and MOOC Learners' Perspectives on Interaction and Experiences in MOOCs: Findings from the Global MOOC Quality Survey. - Christian M. Stracke; Esther Tan; Antonio Moreira Teixeira; Maria do Carmo Texeira Pinto; Bill Vassiliadis; Achilles Kameas; Cleo Sgouropoulou (ICALT, 2018)