2724 search results - page 50 / 545 » Optimizing Queries on Files |
152
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PVLDB
2008
15 years 1 months ago
2008
The diversity and large volumes of data processed in the Natural Sciences today has led to a proliferation of highlyspecialized and autonomous scientific databases with inherent a...
84
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JPDC
2006
15 years 1 months ago
2006
The vulnerability of computer nodes due to component failures is a critical issue for cluster-based file systems. This paper studies the development and deployment of mirroring in...
107
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ADBIS
1998
Springer
15 years 5 months ago
1998
Springer
In order to answer efficiently range queries in 2-d R-trees, first we sort queries by means of a space filling curve, then we group them together, and finally pass them for process...
IDEAS
2005
IEEE
15 years 7 months ago
2005
IEEE
The modern XML query language called XQuery includes advanced facilities both to query and to transform XML data. An XQuery query optimizer should be able to optimize any query. F...
158
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IDEAS
2010
IEEE
15 years 18 hour ago
2010
IEEE
Even though an effective cost-based query optimizer is of utmost importance for the efficient evaluation of XQuery expressions in native XML database systems, such a component is...