227 search results - page 29 / 46 » Ranking-based processing of SQL queries |
246
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ICDE
2003
IEEE
16 years 5 months ago
2003
IEEE
Expressing complex OLAP queries using group-by, aggregation, and joins can be extremely difficult. As a result of this, many alternate ways of expressing such queries have been de...
204
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SIGMOD
2008
ACM
16 years 4 months ago
2008
ACM
Today's query processing engines do not take advantage of the multiple occurrences of a relation in a query to improve performance. Instead, each instance is treated as a dis...
122
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APWEB
2004
Springer
15 years 10 months ago
2004
Springer
We propose a template-based runtime invalidation approach for maintaining cache consistency in database-generated web contents. In our approach, the invalidator sits between a web...
126
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FGCS
2000
15 years 4 months ago
2000
This paper focuses on parallel query optimization. We consider the operator problem and introduce a new class of execution strategies called Linear-Oriented Bushy Trees (LBTs). Co...
131
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DASFAA
2007
IEEE
15 years 8 months ago
2007
IEEE
In order to efficiently determine structural relationships among XML elements and to avoid re-labeling for updates, much research about labeling schemes has been conducted, recentl...