3303 search results - page 199 / 661 » Multidimensional Access Methods |
182
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ADBIS
2000
Springer
15 years 10 months ago
2000
Springer
Research in spatio-temporal databases has largely focused on extensions of access methods for the proper handling of time changing spatial information. In this paper, we present th...
177
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BMCBI
2008
15 years 6 months ago
2008
Background: Inference of evolutionary trees using the maximum likelihood principle is NP-hard. Therefore, all practical methods rely on heuristics. The topological transformations...
200
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BMCBI
2005
15 years 6 months ago
2005
Background: MicroRNAs (miRNAs) are endogenous 21 to 23-nucleotide RNA molecules that regulate protein-coding gene expression in plants and animals via the RNA interference pathway...
162
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MATA
2005
Springer
16 years 18 hour ago
2005
Springer
Abstract. Mobile agent systems provide new perspectives for distributed e-commerce applications. These applications may present specific restrictions, making mobile agent systems ...
266
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ICDE
2006
IEEE
16 years 7 months ago
2006
IEEE
Database columns are often correlated, so that cardinality estimates computed by assuming independence often lead to a poor choice of query plan by the optimizer. Multidimensional...