299 search results - page 27 / 60 » Managing Access Control for Presence-Based Services |
ISM
2005
IEEE
14 years 2 months ago
2005
IEEE
The new IP Multimedia Subsystem (IMS) provides an overlay architecture for IP based core networks and enables the efficient provision of an open set of potentially highly integrat...
DBSEC
2000
13 years 9 months ago
2000
Abstract At the start of its present term of office in 1997 the UK government published a planning document promising ubiquitous access to Electronic Health Records (EHRs) held wit...
SACMAT
2006
ACM
14 years 2 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...
IWCMC
2006
ACM
14 years 2 months ago
2006
ACM
In the next generation wireless systems (NGWS) the end user will be able to connect to any of the different available access networks. The end user will also be able to roam seaml...
CSFW
2004
IEEE
14 years 7 days ago
2004
IEEE
We study the specification of access control policy in large-scale distributed systems. We present Cassandra, a language and system for expressing policy, and the results of a sub...