2724 search results - page 30 / 545 » Optimizing Queries on Files |
113
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CCGRID
2011
IEEE
14 years 5 months ago
2011
IEEE
Abstract—Parallel file systems are designed to mask the everincreasing gap between CPU and disk speeds via parallel I/O processing. While they have become an indispensable compo...
127
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SEMWEB
2010
Springer
14 years 11 months ago
2010
Springer
We study the problem of SPARQL query optimization on top of distributed hash tables. Existing works on SPARQL query processing in such environments have never been implemented in a...
114
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BTW
2007
Springer
15 years 7 months ago
2007
Springer
: Distributed top-k query processing is increasingly becoming an essential functionality in a large number of emerging application classes. This paper addresses the efficient alge...
129
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DCOSS
2009
Springer
15 years 8 months ago
2009
Springer
Wireless sensor networks (WSNs) have been proposed for a large variety of applications. As the number of applications of sensor networks continue to grow, the number of users in se...
100
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ADBIS
2005
Springer
15 years 7 months ago
2005
Springer
XQuery is widely used for querying XML documents. Within this paper, we examine optimization rules for XQuery queries that exploit type information of the input XML document given ...