2724 search results - page 166 / 545 » Optimizing Queries on Files |
132
Voted
CORR
2010
Springer
15 years 3 months ago
2010
Springer
In this article, we describe the XML storage system used in the WebContent project. We begin by advocating the use of an XML database in order to store WebContent documents, and w...
242
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SIGMOD
2005
ACM
16 years 3 months ago
2005
ACM
XML documents are normally stored as plain text files. Hence, the natural and most convenient way to update XML documents is to simply edit the text files. But efficient query eva...
126
Voted
VLDB
2004
ACM
15 years 8 months ago
2004
ACM
This paper presents a novel and complementary technique to optimize an XPath query by minimizing its wildcard steps. Our approach is based on using a general composite axis called...
246
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ICDE
2001
IEEE
16 years 4 months ago
2001
IEEE
Semi-join reducers were introduced in the late seventies as a means to reduce the communication costs of distributed database systems. Subsequent work in the eighties showed, howe...
141
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PVLDB
2010
15 years 1 months ago
2010
Optimization of join queries based on average selectivities is suboptimal in highly correlated databases. In such databases, relations are naturally divided into partitions, each ...