705 search results - page 108 / 141 » Security Policy Coordination for Heterogeneous Information S... |
SACMAT
2006
ACM
15 years 3 months ago
2006
ACM
In recent years, trust negotiation (TN) has been proposed as a novel access control solution for use in open system environments in which resources are shared across organizationa...
SACMAT
2003
ACM
15 years 2 months ago
2003
ACM
This paper presents an approach that uses special purpose RBAC constraints to base certain access control decisions on context information. In our approach a context constraint is...
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APLAS
2009
ACM
15 years 4 months ago
2009
ACM
Ownership types support information hiding by providing object-based encapsulation. However the static restrictions they impose on object accessibility can limit the expressiveness...
CCS
2007
ACM
15 years 3 months ago
2007
ACM
Motivated by a probe-vehicle based automotive traffic monitoring system, this paper considers the problem of guaranteed anonymity in a dataset of location traces while maintainin...
PADS
2006
ACM
15 years 3 months ago
2006
ACM
Simulation is a low cost alternative to experimentation on real-world physical systems. Grid technology enables coordinated use of and secure access to distributed computing resou...