3225 search results - page 15 / 645 » Query Optimization by Stored Queries |
114
Voted
DEBU
2008
15 years 1 months ago
2008
Query optimization is an inherently complex problem, and validating the correctness and effectiveness of a query optimizer can be a task of comparable complexity. The overall proc...
113
Voted
CORR
2010
Springer
14 years 11 months ago
2010
Springer
We have compared the performance of five non-commercial triple stores, Virtuoso-open source, Jena SDB, Jena TDB, SWIFT-OWLIM and 4Store. We examined three performance aspects: the ...
127
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VLDB
2004
ACM
15 years 7 months ago
2004
ACM
As XML usage grows for both data-centric and document-centric applications, introducing native support for XML data in relational databases brings significant benefits. It provide...
IIS
2004
15 years 3 months ago
2004
Estimating the result size of a join is an important query optimization problem as it determines the choice of a good query evaluation strategy. Yet, there are few efficient techni...
132
Voted
ICDE
2010
IEEE
16 years 1 months ago
2010
IEEE
A large fraction of an XML document typically consists of text data. The XPath query language allows text search via the equal, contains, and starts-with predicates. Such predicate...