2724 search results - page 79 / 545 » Optimizing Queries on Files |
123
click to vote
EDBT
2008
ACM
16 years 1 months ago
2008
ACM
Scientific data are available through an increasing number of heterogeneous, independently evolving, sources. Although the sources themselves are independently evolving, the data ...
109
click to vote
MOBIDE
2005
ACM
15 years 7 months ago
2005
ACM
This work addresses the problem of efficient maintenance of the (correct) answers to the continuous spatio-temporal range queries in Moving Objects Databases (MOD), which represen...
CCGRID
2002
IEEE
15 years 6 months ago
2002
IEEE
This paper is concerned with the efficient execution of multiple query workloads on a cluster of SMPs. We target applications that access and manipulate large scientific dataset...
112
click to vote
ICDE
2007
IEEE
15 years 8 months ago
2007
IEEE
Most database query optimizers use cost models to identify good query execution plans. Inaccuracies in the cost models can cause query optimizers to select poor plans. In this pap...
133
click to vote
PE
2008
Springer
15 years 1 months ago
2008
Springer
We develop a queueing model for analyzing resource replication strategies in wireless sensor networks. The model can be used to minimize either the total transmission rate of the ...