1357 search results - page 157 / 272 » Controlling Access to Documents: A Formal Access Control Mod... |
171
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BTW
2003
Springer
15 years 11 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 ...
168
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CSCW
1996
ACM
15 years 10 months 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...
176
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WIOPT
2006
IEEE
16 years 8 days ago
2006
IEEE
Abstract— The objective of the paper is to provide qualitative insight into the global effects of distributed mechanisms, such as carrier sense multiple access (CSMA) and rate co...
151
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SACMAT
2004
ACM
15 years 11 months ago
2004
ACM
We propose role-based cascaded delegation, a model for delegation of authority in decentralized trust management systems. We show that role-based cascaded delegation combines the ...
141
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DRM
2008
Springer
15 years 8 months ago
2008
Springer
In this paper we present Trishul-UCON (T-UCON), a DRM system based on the UCONABC model. T-UCON is designed to be capable of enforcing not only application-specific policies, as a...