1140 search results - page 115 / 228 » A Purpose-Based Access Control Model |
DIMVA
2009
13 years 9 months ago
2009
The use of dynamic access control policies for threat response adapts local response decisions to high level system constraints. However, security policies are often carefully tigh...
SACMAT
2009
ACM
14 years 2 months ago
2009
ACM
We develop the foundations for a theory of Group-Centric Secure Information Sharing (g-SIS), characterize a specific family of models in this arena and identify several direction...
INFSOF
2006
13 years 8 months ago
2006
Providing efficient access to XML documents becomes crucial in XML database systems. More and more concurrency control protocols for XML database systems were proposed in the past...
TISSEC
2010
13 years 2 months ago
2010
The SELinux mandatory access control (MAC) policy has recently added a multi-level security (MLS) model which is able to express a fine granularity of control over a subject'...
CDC
2010
IEEE
13 years 3 months ago
2010
IEEE
In this paper, we present a model of distributed parameter estimation in networks, where agents have access to partially informative measurements over time. Each agent faces a loca...