Cloud computing environments impose new challenges on access control techniques due to multi-tenancy, the growing scale and dynamicity of hosts within the cloud infrastructure, an...
Lucian Popa 0002, Minlan Yu, Steven Y. Ko, Sylvia ...
Privacy has been acknowledged to be a critical requirement for many business environments. A variety of uncertainty and mutability poses challenges when sharing resources must happ...
The Semantic Web, also known as the Web of meaning, is considered the new generation of the Web. Its objective is to enable computers and people to work in cooperation. A requisit...
Databases are increasingly being used to store information covered by heterogeneous policies, which require support for access control with great flexibility. This has led to incr...
The existence of on-line social networks that include person specific information creates interesting opportunities for various applications ranging from marketing to community o...
Barbara Carminati, Elena Ferrari, Raymond Heatherl...