705 search results - page 85 / 141 » Security Policy Coordination for Heterogeneous Information S... |
EDOC
2003
IEEE
15 years 3 months ago
2003
IEEE
In this paper we sketch a framework supporting contract enactment within the context of virtual organisation units that are dynamically created in order to achieve a common object...
COOPIS
1997
IEEE
15 years 1 months ago
1997
IEEE
Workflows are activities involving the coordinated execution of multiple tasks performed by different processing entities, mostly in distributed heterogeneous environments which a...
SACMAT
2010
ACM
15 years 2 months ago
2010
ACM
Access to distributed databases containing tuples collected about mobile physical objects requires information about the objects’ trajectories. Existing access control models ca...
AICCSA
2008
IEEE
14 years 11 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...
ICTAI
2009
IEEE
15 years 4 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...