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» Updatable Security Views
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DEXA
2003
Springer
134views Database» more  DEXA 2003»
15 years 7 months ago
Concurrent and Real-Time Update of Access Control Policies
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...
Indrakshi Ray, Tai Xin
113
Voted
DOLAP
2000
ACM
15 years 6 months ago
Incremental Update to Aggregated Information for Data Warehouses over Internet
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...
Miranda Chan, Hong Va Leong, Antonio Si
141
Voted
DOLAP
2005
ACM
15 years 3 months ago
Optimizing the incremental maintenance of multiple join views
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 ...
Ki Yong Lee, Myoung-Ho Kim
103
Voted
JUCS
2010
107views more  JUCS 2010»
15 years 9 days ago
Algebras and Update Strategies
: The classical (Bancilhon-Spyratos) correspondence between view update translations and views with a constant complement reappears more generally as the correspondence between upd...
Michael Johnson, Robert D. Rosebrugh, Richard Wood
SIGMOD
1995
ACM
161views Database» more  SIGMOD 1995»
15 years 5 months ago
Applying Update Streams in a Soft Real-Time Database System
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...
Brad Adelberg, Hector Garcia-Molina, Ben Kao