In the era of Ubiquitous Computing and world–wide data transfer mobility, as an innovative aspect of professional activities, imposes new and complex problems of mobile and dist...
This paper maintains that for an access-control mechanism to support a wide range of policies, it is best to dispense with any built-in semantics for roles in the mechanism itself...
Ubiquitous computing uses a variety of information for which access needs to be controlled. For instance, a person’s current location is a sensitive piece of information, which ...
Access control in enterprises is a key research area in the realm of Computer Security because of the unique needs of the target enterprise. As the enterprise typically has large ...
Rafae Bhatti, James Joshi, Elisa Bertino, Arif Gha...
We propose role-based cascaded delegation, a model for delegation of authority in decentralized trust management systems. We show that role-based cascaded delegation combines the ...
Roberto Tamassia, Danfeng Yao, William H. Winsboro...