Hypermedia systems (whether web sites or not) should support multilevel policiesm, offering different views and manipulation abilities of the same information to users with differ...
The deployment of Next-Generation Networks (NGN) is a challenge that requires integrating heterogeneous services into a global system of All-IP telecommunications. These networks c...
Igor Ruiz-Agundez, Yoseba K. Penya, Pablo Garcia B...
Modern computer systems permit users to access protected information from remote locations. In certain secure environments, it would be desirable to restrict this access to a part...
Access control in decentralised collaborative systems present huge challenges especially where many autonomous entities including organisations, humans, software agents from diff...
Oluwafemi Ajayi, Richard O. Sinnott, Anthony Stell
A group signature scheme allows a group member to sign messages anonymously on behalf of the group, while in case of a dispute, a designated entity can reveal the identity of a si...