2516 search results - page 269 / 504 » Integrity Constraints for XML |
144
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ACSAC
2006
IEEE
16 years 18 days ago
2006
IEEE
Access control and integrity constraints are well known approaches to ensure data integrity in commercial database systems. However, due to operational mistakes, malicious intent ...
180
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ICWS
2008
IEEE
15 years 8 months ago
2008
IEEE
We study the access control integration problem for web services. Organizations frequently use many services, each with its own access control policies, that must interoperate whi...
130
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HICSS
2009
IEEE
16 years 1 months ago
2009
IEEE
The increased fluidity and agility of organizations demand the smooth mediation of information technology (IT) between user and task. As rigid hierarchies are giving way to open, ...
164
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DOLAP
2004
ACM
15 years 12 months ago
2004
ACM
Accurate summary data is of paramount concern in data warehouse systems; however, there have been few attempts to completely characterize the ability to summarize measures. The su...
181
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CVPR
1999
IEEE
16 years 8 months ago
1999
IEEE
We consider a problem central in aerial visual surveillance applications { detection and tracking of small, independently moving objects in long and noisy video sequences. We dire...