274 search results - page 18 / 55 » Computational complexity of queries based on itemsets |
119
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SERVICES
2008
15 years 1 months ago
2008
Scientific workflows in Life Sciences are usually complex, and use many online databases, analysis tools, publication repositories and customized computation intensive desktop sof...
121
Voted
ESWS
2011
Springer
14 years 4 months ago
2011
Springer
The emergence of the Semantic Web has led to the creation of large semantic knowledge bases, often in the form of RDF databases. Improving the performance of RDF databases necessit...
123
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PRIS
2004
15 years 1 months ago
2004
Similarity search in time series databases is an important research direction. Several methods have been proposed in order to provide algorithms for efficient query processing in t...
107
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SIGMOD
1997
ACM
15 years 4 months ago
1997
ACM
A range query applies an aggregation operation over all selected cells of an OLAP data cube where the selection is speci ed by providing ranges of values for numeric dimensions. W...
173
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SIGMOD
2006
ACM
16 years 19 days ago
2006
ACM
Modern scientific applications consume massive volumes of data produced by computer simulations. Such applications require new data management capabilities in order to scale to te...