Learning management systems are routinely used for presenting, solving and grading exercises with large classes. However, teachers are constrained to use questions with pre-defined...
Abstract. While Web Services ensure interoperability and extensibility for networked applications, they also complicate the deployment of highly collaborative systems, such as virt...
Qi Huang, Daniel A. Freedman, Ymir Vigfusson, Ken ...
This paper argues that powerful impetus exists for the realisation of a global multilateral electronic market infrastructure, as envisaged by the ebXML1 endeavour. Crucial in this...
In recent years, trust negotiation (TN) has been proposed as a novel access control solution for use in open system environments in which resources are shared across organizationa...
Adam J. Lee, Marianne Winslett, Jim Basney, Von We...
CSCL systems can benefit from using grids since they offer a common infrastructure enabling the access to an extended pool of resources that can provide supercomputing capabilitie...
Guillermo Vega-Gorgojo, Miguel L. Bote-Lorenzo, Ed...