Courseware systems are often based on an assembly of different components, addressing the different needs of storage and delivery functionality. The Learning Technology Standard A...
New systems can be created by assembling a set of elementary services provided by various stakeholders in a service composition. Service composition is not a trivial endeavor and ...
Current service discovery and subscription are “provider-centric” indeed, which costs the consumers too many efforts and makes the wide spectrum of QoS hard to use. In this po...
The growing number of web services advocates distributed discovery infrastructures which are semantics-enabled and support quality of service (QoS). In this paper, we introduce a n...
With the proliferation of multimedia data sources on the Internet, we envision an increasing demand for value-added and functionrich multimedia services that transport, process, a...