3225 search results - page 116 / 645 » Query Optimization by Stored Queries |
SIGMOD
2011
ACM
12 years 11 months ago
2011
ACM
An important means of allowing non-expert end-users to pose ad hoc queries — whether over single databases or data integration systems — is through keyword search. Given a set...
ICDE
1998
IEEE
14 years 10 months ago
1998
IEEE
Algebraic transformation and optimization techniques have been the method of choice in relational query execution, but applying them in OODBMS is difficult due to the complexity o...
IWMMDBMS
1998
13 years 10 months ago
1998
: In recent years the fusion of multimedia information from multiple real-time sources and databases has become increasingly important because of its practical significance in many...
SIGMOD
2003
ACM
14 years 9 months ago
2003
ACM
Most relational query optimizers make use of information about the costs of accessing tuples and data structures on various storage devices. This information can at times be off b...
CIKM
2007
Springer
14 years 26 days ago
2007
Springer
We investigate the problem of how to evaluate, fast and efficiently, classes of optimal route queries on a massive graph in a unified framework. To evaluate a route query effectiv...