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166
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CCS
2007
ACM
16 years 5 days ago
2007
ACM
In this paper, we study the maintenance of role-based access control (RBAC) models in database environments using transitive closure relations. In particular, the algorithms that ...
193
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SIGECOM
2003
ACM
15 years 11 months ago
2003
ACM
Some recent trends in business and manufacturing hold the promise of greater profits, yet, due to profit-robbing inventory increases, this promise has not been fully realized. [9]...
169
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EUROSYS
2009
ACM
15 years 10 months ago
2009
ACM
Weakly consistent replication of data has become increasingly important both for loosely-coupled collections of personal devices and for large-scale infrastructure services. Unfor...
234
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CCE
2011
15 years 15 days ago
2011
The robustness of a system is a property that pervades all aspects of Nature. The ability of a system to adapt itself to perturbations due to internal and external agents, to agin...
196
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SIGIR
2011
ACM
14 years 8 months ago
2011
ACM
A key challenge in recommender system research is how to effectively profile new users, a problem generally known as cold-start recommendation. Recently the idea of progressivel...