706 search results - page 98 / 142 » Access Control: Policies, Models, and Mechanisms |
168
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CRIWG
2001
15 years 7 months ago
2001
The coordination of interdependencies between tasks in collaborative environments is a very important and difficult endeavor. The separation between tasks and interdependencies al...
166
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SOUPS
2009
ACM
16 years 18 days ago
2009
ACM
Online social network sites, such as MySpace, Facebook and others have grown rapidly, with hundreds of millions of active users. A new feature on many sites is social applications...
266
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ICDE
1998
IEEE
16 years 7 months ago
1998
IEEE
?Past R-tree studies have focused on the number of nodes visited as a metric of query performance. Since database systems usually include a buffering mechanism, we propose that the...
166
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ICPP
2008
IEEE
16 years 16 days ago
2008
IEEE
—Data replications is a typical strategy for improving access performance and data availability in Data Grid systems. Current works on data replication in Grid systems focus on t...
141
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TGC
2005
Springer
15 years 11 months ago
2005
Springer
Abstract. We present a formal system that models programmable abstractions for access control. Composite abstractions and patterns of arbitrary complexity are modeled as a configu...