125 search results - page 4 / 25 » Efficient techniques for realizing geo-spatial access contro... |
XMLSEC
2003
ACM
14 years 1 months 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...
TWC
2010
13 years 2 months ago
2010
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...
ICISC
2004
13 years 9 months ago
2004
Abstract. The proliferation of group-centric computing and communication motivates the need for mechanisms to provide group access control. Group access control includes mechanisms...
DEBS
2007
ACM
13 years 11 months ago
2007
ACM
Publish/subscribe systems provide an efficient, event-based, wide-area distributed communications infrastructure. Large scale publish/subscribe systems are likely to employ compon...
IRI
2005
IEEE
14 years 1 months ago
2005
IEEE
Role-Based Access Control (RBAC) models have emerged as a leading access control approach for today’s information systems. Hybrid role hierarchies introduced in the Generalized ...