625 search results - page 100 / 125 » Genetic algorithms for large join query optimization |
129
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TKDE
2012
13 years 3 months ago
2012
—Preparing a data set for analysis is generally the most time consuming task in a data mining project, requiring many complex SQL queries, joining tables and aggregating columns....
92
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STACS
2007
Springer
15 years 7 months ago
2007
Springer
A coloring of a graph is convex if it induces a partition of the vertices into connected subgraphs. Besides being an interesting property from a theoretical point of view, tests f...
115
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BMCBI
2005
15 years 1 months ago
2005
Background: BLAST is a widely used genetic research tool for analysis of similarity between nucleotide and protein sequences. This paper presents a software application entitled &...
184
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SIGMOD
2007
ACM
16 years 1 months ago
2007
ACM
Two trends are converging to make the CPU cost of a table scan a more important component of database performance. First, table scans are becoming a larger fraction of the query p...
201
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ICDE
2008
IEEE
16 years 2 months ago
2008
IEEE
Abstract-- We present COLR-Tree, an abstraction layer designed to support efficient spatio-temporal queries on live data gathered from a large collection of sensors. We use COLR-Tr...