1323 search results - page 17 / 265 » Updatable Security Views |
DEXA
2003
Springer
14 years 1 months ago
2003
Springer
Abstract. Access control policies are security policies that govern access to resources. Real-time update of access control policies, that is, updating policies while they are in e...
DOLAP
2000
ACM
14 years 1 months ago
2000
ACM
We consider the view maintenance problem in a web-based environment, in which clients query information from databases, stored in the form of materialized data warehouses, without...
DOLAP
2005
ACM
13 years 10 months ago
2005
ACM
Materialized views are nowadays commonly used in the data warehouse environment. Materialized views need to be updated when data sources change. Since the update of the views may ...
JUCS
2010
13 years 7 months ago
2010
: The classical (Bancilhon-Spyratos) correspondence between view update translations and views with a constant complement reappears more generally as the correspondence between upd...
SIGMOD
1995
ACM
14 years 8 days ago
1995
ACM
Many papers have examined how to e ciently export a materialized view but to our knowledge none have studied how to e ciently import one. To import a view, i.e., to install a stre...