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BDA
2007
14 years 11 months ago
2007
Pervasive information systems give an overview of what digital environments should look like in the future. From a data-centric point of view, traditional databases have to be use...
WEBDB
2005
Springer
15 years 3 months ago
2005
Springer
In the relational model it has been shown that the flat relational algebra has the same expressive power as the nested relational algebra, as far as queries over flat relations ...
BMCBI
2008
14 years 10 months ago
2008
Background: The most renowned biological ontology, Gene Ontology (GO) is widely used for annotations of genes and gene products of different organisms. However, there are shortcom...
103
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CIKM
2005
Springer
15 years 3 months ago
2005
Springer
Modern query optimizers select an efficient join ordering for a physical execution plan based essentially on the average join selectivity factors among the referenced tables. In ...
101
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LWA
2004
14 years 11 months ago
2004
Data mining on large relational databases has gained popularity and its significance is well recognized. However, the performance of SQL based data mining is known to fall behind ...