951 search results - page 162 / 191 » Groupwise Processing of Relational Queries |
121
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VLDB
2002
ACM
14 years 9 months ago
2002
ACM
Given that commercial search engines cover billions of web pages, efficiently managing the corresponding volumes of disk-resident data needed to answer user queries quickly is a f...
102
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ICDT
2012
ACM
13 years 7 days ago
2012
ACM
A universal model of a database D and a set Σ of integrity constraints is a database that extends D, satisfies Σ, and is most general in the sense that it contains sound and co...
ICDE
2010
IEEE
15 years 4 months ago
2010
IEEE
— We demonstrate ROX, a run-time optimizer of XQueries, that focuses on finding the best execution order of XPath steps and relational joins in an XQuery. The problem of join or...
SSDBM
2005
IEEE
15 years 3 months ago
2005
IEEE
Several studies have demonstrated the effectiveness of Haar wavelets in reducing large amounts of data down to compact wavelet synopses that can be used to obtain fast, accurate a...
COOPIS
2003
IEEE
15 years 3 months ago
2003
IEEE
Ontologies as means for formally specifying the vocabulary and relationship of concepts are seen playing a key role on the Semantic Web. However, the Web’s distributed nature mak...