— In IEEE 802.11 wireless networks, EDCA users’ performance may be degraded because of the existence of legacy users and therefore would get a lower priority service. Such effe...
An access control system is often viewed as a state transition system. Given a set of access control policies, a general safety requirement in such a system is to determine whethe...
Large-scale wireless sensor networks represent a new generation of real-time embedded systems with significantly different communication constraints from traditional networked sys...
Chenyang Lu, Brian M. Blum, Tarek F. Abdelzaher, J...
Since XML tends to become the main format to exchange data over the Internet, it is necessary to define a security model to control the access to the content of these documents. S...
Privacy is considered critical for all organizations needing to manage individual related information. As such, there is an increasing need for access control models which can adeq...