Existing approaches to knowledge representation and reasoning in the context of open systems either deal with "objective" knowledge or with beliefs. In contrast, there ha...
The integration of aspects into the methodology of stepwise software development and evolution is still an open issue. This paper focuses on the global quantification mechanism of...
This paper describes a service-oriented approach for the integration of third-party external applications and resources into an existing open source eLearning environment. We detai...
All students of the Hellenic Open University (HOU) attend undergraduate and postgraduate courses at a distance. The lack of a live academic community is reported by many as a drawb...
: This paper explains how we have designed a service-oriented architecture by combining and extending several open source environments. We show how the IT architecture of the Natio...
Pascal Bauler, Fernand Feltz, Nicolas Biri, Philip...