2223 search results - page 29 / 445 » Query Optimization in an OODBMS |
ADBIS
1998
Springer
15 years 4 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 5 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...
137
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IDEAS
2010
IEEE
14 years 10 months 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...
VLDB
1999
ACM
15 years 4 months ago
1999
ACM
XML is an emerging standard for data representation and exchange on the World-Wide Web. Due to the nature of information on the Web and the inherent flexibility of XML, we expect...
180
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ICDE
2008
IEEE
16 years 1 months ago
2008
IEEE
In this paper we address the problem of minimizing the response time of a multi-way join query using pipelined (inter-operator) parallelism, in a parallel or a distributed environ...