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SACMAT
2004
ACM
14 years 3 months ago
X-GTRBAC admin: a decentralized administration model for enterprise wide access control
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...
MOBIQUITOUS
2005
IEEE
14 years 3 months ago
A SIP-based Architecture model for Contextual Coalition Access Control for Ubiquitous Computing
A significant deterrent to the ability to connect in a spontaneous manner in cross-enterprise collaborative applications is the difficulty in users from different domains being ab...
Ramiro Liscano, Kaining Wang
SACMAT
2010
ACM
14 years 2 months ago
A card requirements language enabling privacy-preserving access control
We address the problem of privacy-preserving access control in distributed systems. Users commonly reveal more personal data than strictly necessary to be granted access to online...
Jan Camenisch, Sebastian Mödersheim, Gregory ...
TWC
2010
13 years 4 months ago
Dynamic Spectrum Access Using a Network Coded Cognitive Control Channel
In this paper we propose a Dynamic Spectrum Access scheme which allows the users to opportunistically and efficiently access the channels available for communications. It addresses...
Nicola Baldo, Alfred Asterjadhi, Michele Zorzi
ENTCS
2007
113views more  ENTCS 2007»
13 years 10 months ago
On the Decidability of the Safety Problem for Access Control Policies
An access control system regulates the rights of users to gain access to resources in accordance with a specified policy. The rules in this policy may interact in a way that is n...
E. Kleiner, T. Newcomb