| An e-learning service management architecture TK Apostolopoulos, A Kefala Proceedings 3rd IEEE International Conference on Advanced Technologies, 140-144, 2003 | 23* | 2003 |
| A configurable middleware architecture for deploying e-learning services over diverse communication networks. TK Apostolopoulos, A Kefala IASTED International Conference on Computers and Advanced Technology in …, 2003 | 10 | 2003 |
| An XML-based e-learning service management framework TK Apostolopoulos, A Kefala IEEE International Conference on Advanced Learning Technologies, 2004 …, 2004 | 8 | 2004 |
| An e-learning service management framework T Apostolopoulos, A Kefala Proc. 3rd IEEE International Conference on Advanced Learning Technologies …, 2003 | 5 | 2003 |
| Continuous authorization over HTTP using Verifiable Credentials and OAuth 2.0 N Fotiou, E Faltaka, V Kalos, A Kefala, I Pittaras, VA Siris, GC Polyzos Gesellschaft für Informatik eV, 2022 | 2 | 2022 |
| E-learning service management and brokerage framework: architecture and functional services A Kefala, T Apostolopoulos Proceedings of the sixth conference on IASTED 2, 493-498, 2007 | 2 | 2007 |
| Content and e-learning provision services management framework: Architecture and session profile T Apostolopoulos, A Kefala Innovations in E-learning, Instruction Technology, Assessment, and …, 2007 | 2 | 2007 |
| Developing Distant Learning Services over Broadband Networks: Concepts and Alternatives. TK Apostolopoulos, AS Kefala IASTED International Conference, Internet and Multimedia Systems …, 1999 | 1 | 1999 |
| Technology-Mediated Learning Quality: Predictors of Lifelong Learner Satisfaction A Kefala, I Talanti, A Poulymenakou 11th Mediterranean Conference on Information Systems, MCIS, 2017 | | 2017 |
| A UML Definition of a Management Framework for e-Learning Session-centric Services. TK Apostolopoulos, AS Kefala WEBIST (3), 523-526, 2007 | | 2007 |
| A telematic tool for teaching a collaborative edition of tales designed to schoolchildren S Garcia, C Osuna, R Anguita, Y Dimitriadis, R Diaz, A Kefala International Conference Telecommunications for Education and Training, TET99, 1999 | | 1999 |
| A New Telematic and Educational Framework for CSCL Applications C Osuna, Y Dimitriadis, L Barrio, B Rubia, A Kefala, E Giakoumakis, ... International Conference Telecommunications for Education and Training, TET99, 1999 | | 1999 |
| Experience from the Development of New Services and Applications over High-speed Networks T Apostolopoulos, V Daskalou, A Kefala, A Zavras International Conference on Systems Engineering, ICSE99, 1999 | | 1999 |
| Web-Based Forest Fire Management Information Model And Services TK Apostolopoulos, GY Chalkiadakis, VC Daskalou, NA Diamantidis, ... SIMULATION SERIES 31, 218-226, 1999 | | 1999 |
| SelectShare-Selective IoT data sharing GC Polyzos, G Xylomenos, I Koutsopoulos, VA Siris, N Fotiou, A Kefala, ... | | |
