423 search results - page 22 / 85 » A Logical Approach to Dynamic Role-Based Access Control |
ICTAI
2009
IEEE
14 years 2 months ago
2009
IEEE
Abstract—In distributed environments, access control decisions depend on statements of multiple agents rather than only one central trusted party. However, existing policy langua...
CORR
2011
Springer
13 years 2 months ago
2011
Springer
Highly dynamic computing environments, like ubiquitous and pervasive computing environments, require frequent adaptation of applications. Context is a key to adapt suiting user ne...
AICCSA
2008
IEEE
13 years 9 months ago
2008
IEEE
Abstract. Workflows are operational business processes. Workfow Management Systems (WFMS) are concerned with the control and coordination of these workflows. In recent years, there...
IFIP
2003
Springer
14 years 25 days ago
2003
Springer
The Dynamic Device Association (DDA) framework presented in this paper provides service discovery and secure device access for mobile users. We discuss scenarios and requirements f...
ICC
2007
IEEE
14 years 1 months ago
2007
IEEE
—In this paper, the IEEE 802.16 protocol is investigated with respect to the bandwidth provision problem arising at the Medium Access Control (MAC) layer. The aim is to optimally...