In this paper, well-known attacks named oracle attacks are formulated within a realistic network communication model where they reveal to use suitable covert channels, we name orac...
We propose an architecture that preserves user privacy in the semantic Web via tag suppression. In tag suppression, users may wish to tag some resources and refrain from tagging so...
Javier Parra-Arnau, David Rebollo-Monedero, Jordi ...
A proxy signature scheme allows an entity to delegate its signing capability to another entity (proxy) in such a way that the proxy can sign messages on behalf of the delegator. Pr...
Wei Wu, Yi Mu, Willy Susilo, Jennifer Seberry, Xin...
As the XML model gets more popular, new needs arise to specify access control within XML model. Various XML access control models and enforcement methods have been proposed recentl...
Today sophisticated concepts, languages and frameworks exist, that allow implementing powerful fine grained access control systems for protecting Web Services and spatial data in ...