279 search results - page 35 / 56 » Towards Adaptive Costing of Database Access Methods |
SAC
2008
ACM
13 years 6 months ago
2008
ACM
In recent years role-based access control (RBAC) has been spreading within organizations. However, companies still have considerable difficulty migrating to this model, due to the...
VLDB
1995
ACM
13 years 11 months ago
1995
ACM
RAID5 disk arrays provide high performance and high reliability for reasonable cost. However RAID5 suffers a performance penalty during block updates. In order to overcome this pr...
PVLDB
2008
13 years 6 months ago
2008
Due to the imperative need to reduce the management costs of large data centers, operators multiplex several concurrent database applications on a server farm connected to shared ...
PVLDB
2010
13 years 5 months ago
2010
The goal of a threshold query is to detect all objects whose score exceeds a given threshold. This type of query is used in many settings, such as data mining, event triggering, a...
PRIS
2004
13 years 8 months ago
2004
Similarity search in time series databases is an important research direction. Several methods have been proposed in order to provide algorithms for efficient query processing in t...