XACML does not natively support RBAC and even the specialized XACML profiles are not able to support many relevant constraints such as static and dynamic separation of duty. Exte...
This article introduces an approach to adaptive wayfinding support for lifelong learners based on self-organisation theory. It describes an architecture which supports the recordin...
The last dozen years have seen a considerable investment of resources into the research and development of Group Support Systems (GSS) technology. This paper describes how a GSS w...
IMS Learning Design (LD) is a specification that aims at computationally representing any learning process. However, the possibilities of LD to represent collaborative learning sce...
MPEG-4 supports object-based interactive multimedia applications. To compose complex multimedia scene, MPEG-4 supports BIFS and XMT as scene description. For interoperability of th...