Abstract. Access control within a ubiquitous networking environment is a critical issue. Traditional access control methods have mainly relied on the authentication of registered u...
The global scenario put together by communication networks determines new opportunities towards the realization of Internetbased distributed services in many complex and composite...
: Web services over the Internet are widely used nowadays. The problem of secure access to Web-based systems is of great importance naturally. Compared with the existing models, th...
We show how Semantic Web technologies can be used to build an access control system. We follow the role-based access control approach (RBAC) and extend it with contextual attribute...
Integrating multiple functions into one communication user agent can introduce many innovative communication services. For example, with networked appliance control, a user agent c...