837 search results - page 147 / 168 » Rewriting-Based Access Control Policies |
CCS
2001
ACM
13 years 12 months ago
2001
ACM
Automated trust negotiation is an approach to establishing trust between strangers through the exchange of digital credentials and the use of access control policies that specify ...
MOBICOM
1998
ACM
13 years 11 months ago
1998
ACM
In this paper we introduce universal mobile channels, a le communications abstraction that enables users and service providers to program application-speci c adaptive mobile servi...
ICECCS
2008
IEEE
14 years 1 months ago
2008
IEEE
Ubiquitous computing systems can be regarded as open systems where heterogeneous and previously unknown entities may spontaneously interact, due to intrinsic mobility of users and...
GLOBECOM
2007
IEEE
14 years 1 months ago
2007
IEEE
—We consider the situation where N nodes share a common access point. With each node i there is an associated buffer and channel state that change in time. Node i dynamically cho...
ESCIENCE
2006
IEEE
14 years 1 months ago
2006
IEEE
The ability to dynamically create and subsequently manage secure virtual organisations (VO) is one of the key challenges facing the Grid community. Existing approaches for establi...