2546 search results - page 79 / 510 » Managing long-running queries |
171
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ADBIS
2004
Springer
15 years 11 months ago
2004
Springer
Abstract. Query reformulation techniques based on semantic knowledge have been used in two ways in database management systems, namely for query optimization and for data integrati...
245
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SIGMOD
2012
ACM
13 years 8 months ago
2012
ACM
Computational experiments have become an integral part of the scientific method, but reproducing, archiving, and querying them is still a challenge. The first barrier to a wider...
292
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GIS
2005
ACM
16 years 7 months ago
2005
ACM
The R*-tree, as a state-of-the-art spatial index, has already found its way into commercial systems like Oracle. In this paper, we aim at improving query performance of the R*tree...
169
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ICDE
2010
IEEE
16 years 6 months ago
2010
IEEE
With the total energy consumption of computing systems increasing in a steep rate, much attention has been paid to the design of energy-efficient computing systems and applications...
182
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CIKM
2009
Springer
16 years 28 days ago
2009
Springer
Well-designed indices can dramatically improve query performance. Including query workload information can produce indices that yield better overall throughput while balancing the...