The Semantic Web promises automated invocation, discovery, and composition of Web services by enhancing services with semantic descriptions. An upper ontology for Web services cal...
Gerald C. Gannod, John T. E. Timm, Raynette J. Bro...
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...
In this work, we present a framework for the semantic composition of web services based on Statecharts and uniform community service descriptions. Our model is a two step process....
This paper introduces a domain ontology to describe learning material that compose a course, capable of providing adaptive e-learning environments and reusable educational resourc...
— The Semantic Web can be viewed as largely about “Knowledge meets the Web”. Thus its vision includes ontologies and rules. A key requirement for the architecture of the Sema...
Tassos Venetis, Giorgos Stoilos, Giorgos B. Stamou...