This paper makes two main contributions towards establishing support for application-specific factors in middleware security mechanisms. First, it develops a simple classification...
Decentralized multiple access channels where each transmitter wants to selfishly maximize his transmission energyefficiency are considered. Transmitters are assumed to choose freel...
Traditional security policies largely focus on access control requirements, which specify who can access what under what circumstances. Besides access control requirements, the av...
This paper describes the design and development of a flexible domain-based access control infrastructure for distributed Collaborative Environments. The paper proposes extensions ...
Yuri Demchenko, Cees de Laat, Leon Gommans, Ren&ea...
Delegation is a mechanism that allows a user A to act on another user B's behalf by making B's access rights available to A. It is well recognized as an important mechani...