Sciweavers

4143 search results - page 672 / 829
» A theory of distributed aspects
Sort
View
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...
SWS
2004
ACM
14 years 3 months ago
Applying hierarchical and role-based access control to XML documents
W3C Recommendations XML Encryption and XML-Digital Signature can be used to protect the confidentiality of and provide assurances about the integrity of XML documents transmitted...
Jason Crampton
ASIACRYPT
2004
Springer
14 years 3 months ago
Lattice-Based Threshold-Changeability for Standard Shamir Secret-Sharing Schemes
Abstract. We consider the problem of increasing the threshold parameter of a secret-sharing scheme after the setup (share distribution) phase, without further communication between...
Ron Steinfeld, Huaxiong Wang, Josef Pieprzyk
CONCUR
2004
Springer
14 years 3 months ago
Parameterised Boolean Equation Systems (Extended Abstract)
Systems (extended abstract) Simona Orzan and Tim A.C. Willemse Department of Mathematics and Computer Science, Eindhoven University of Technology P.O. Box 513, 5600 MB Eindhoven, T...
Jan Friso Groote, Tim A. C. Willemse
CONCUR
2004
Springer
14 years 3 months ago
Probabilistic Event Structures and Domains
Abstract. This paper studies how to adjoin probability to event structures, leading to the model of probabilistic event structures. In their simplest form probabilistic choice is l...
Daniele Varacca, Hagen Völzer, Glynn Winskel