Today many interactions are carried out online through Web sites and e-services and often private and/or sensitive information is required by service providers. A growing concern r...
Claudio Agostino Ardagna, Marco Cremonini, Ernesto...
We consider the problem of encrypting structured data (e.g., a web graph or a social network) in such a way that it can be efficiently and privately queried. For this purpose, we ...
—In densely populated cities, Wi-Fi networks—private or otherwise—are ubiquitous. We focus on the provision of citywide broadband communication capability to mobile users thr...
Elias C. Efstathiou, Pantelis A. Frangoudis, Georg...
We present an organisation infrastructure for open MultiAgent Systems built upon a role-based access control model (RBAC), which provides agents with means to enable and control a...
We study the access control integration problem for web services. Organizations frequently use many services, each with its own access control policies, that must interoperate whi...