In this paper we propose a mediator architecture for the querying and integration of Web-accessible XML data sources. Our contributions are (i) the definition of a simple but expr...
The CASA architecture describes a platform for the provisioning of services by agents by supporting three levels of agent design. At the base level is a framework to build an agen...
We define a formal execution semantics for UML activity diagrams that is appropriate for workflow modelling. Our semantics is aimed at the requirements level by assuming that sof...
With the increase of multimedia contents in the WWW, multimodal presentation using interactive life-like agents is attractive and becoming important. However, it is not easy for m...
ot only high level description of abstract policy, but also enables such policy to be refined and eventually mapped into an appropriate configuration for controlling devices in the...