1140 search results - page 129 / 228 » A Purpose-Based Access Control Model |
CCS
2009
ACM
14 years 2 months ago
2009
ACM
Modern computer systems permit users to access protected information from remote locations. In certain secure environments, it would be desirable to restrict this access to a part...
CSCW
1996
ACM
14 years 3 days ago
1996
ACM
Our experience with Internet-based scientific collaboratories indicates that they need to be user-extensible, allow users to add tools and objects dynamically to shared workspaces...
GLOBECOM
2008
IEEE
14 years 2 months ago
2008
IEEE
— Multi-user multiple-input multiple-output (MIMO) systems have been emerging and attracting considerable attention recently for its potential to substantially improve system cap...
OTM
2005
Springer
14 years 1 months ago
2005
Springer
Abstract. Process–aware information systems (PAIS) must provide sufficient flexibility to their users to support a broad spectrum of application scenarios. As a response to thi...
BTW
2003
Springer
14 years 1 months ago
2003
Springer
Abstract: In order to achieve efficient execution plans for queries comprising userdefined data types and predicates, the database system has to be provided with appropriate index ...