798 search results - page 27 / 160 » Comparing the expressive power of access control models |
COMCOM
2008
13 years 7 months ago
2008
Code allocation has a significant impact on the performance of Code Division Multiple Access (CDMA) systems. For the uplink direction, in 3G Wideband CDMA (WCDMA) cellular systems...
ADHOC
2007
13 years 7 months ago
2007
Nodes in a sensor network may be lost due to power exhaustion or malicious attacks. To extend the lifetime of the sensor network, new node deployment is necessary. In military sce...
XMLSEC
2003
ACM
14 years 27 days ago
2003
ACM
As a large quantity of information is presented in XML format on the Web, there are increasing demands for XML security. Until now, research on XML security has been focused on th...
SACMAT
2003
ACM
14 years 27 days ago
2003
ACM
A Generalized Temporal Role Based Access Control (GTRBAC) model that captures an exhaustive set of temporal constraint needs for access control has recently been proposed. GTRBAC�...
CN
2007
13 years 7 months ago
2007
As ICT services are becoming more ubiquitous and mobile and access technologies grow to be more heterogeneous and complex, we are witnessing the increasing importance of two relat...