2987 search results - page 138 / 598 » Multiobjective Query Optimization |
120
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SSDBM
2007
IEEE
15 years 8 months ago
2007
IEEE
High energy physics scientists analyze large amounts of data looking for interesting events when particles collide. These analyses are easily expressed using complex queries that ...
109
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GCC
2005
Springer
15 years 7 months ago
2005
Springer
DarGridⅡ is an implemented database gird system whose goal is to provide a semantic solution for integrating database resources on the web. Although many algorithms have been pro...
115
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SEBD
1996
15 years 3 months ago
1996
Abstract. To select an optimal query evaluation strategy for a path query in an object-oriented database system one has to exploit the available index structures on the path. In a ...
104
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CIKM
2001
Springer
15 years 6 months ago
2001
Springer
Existing approaches for optimizing queries in data integration use decoupled strategies–attempting to optimize coverage and cost in two separate phases. Since sources tend to ha...
ICDT
1999
ACM
15 years 6 months ago
1999
ACM
In data integration systems, queries posed to a mediator need to be translated into a sequence of queries to the underlying data sources. In a heterogeneous environment, with sour...