Dynamic spectrum access (DSA) is an integral part of cognitive radio technology aiming at efficient management of the available power and bandwidth resources. The present paper d...
Distributed Role-Based Access Control (dRBAC) is a scalable, decentralized trust-management and accesscontrol mechanism for systems that span multiple administrative domains. dRBA...
Eric Freudenthal, Tracy Pesin, Lawrence Port, Edwa...
Achieving data security over cooperating web services is becoming a reality, but existing XML access control architectures do not consider this federated service computing. In this...
Erwin Leonardi, Sourav S. Bhowmick, Mizuho Iwaihar...
In this paper, we present a mandatory access control system that uses input from multiple stakeholders to compose policies based on runtime information. In the emerging ubiquitous...
Current ubiquitous computing environments provide many kinds of information. This information may be accessed by different users under varying conditions depending on various conte...