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COMAD
2008
13 years 11 months ago
2008
Role-based access control (RBAC) has attracted considerable research interest. However, the computational issues of RBAC models are yet to be thoroughly studied. In this paper, we...
ICDE
2007
IEEE
14 years 11 months ago
2007
IEEE
A conventional materialized view blindly materializes and maintains all rows of a view, even rows that are never accessed. We propose a more flexible materialization strategy aime...
ICSM
2006
IEEE
14 years 3 months ago
2006
IEEE
Long-running applications such as network services require continuous uptime but also frequent changes to the software. To avoid downtime for software maintenance, applications mu...
KDD
1997
ACM
14 years 2 months ago
1997
ACM
Efficient discover of association rules in large databases is a we 1 studied problem and several ap-1y proaches have been proposed. However, it is non trivial to maintain the asso...
CSMR
2005
IEEE
14 years 3 months ago
2005
IEEE
Product software is constantly evolving through extensions, maintenance, changing requirements, changes in configuration settings, and changing licensing information. Managing ev...