75 search results - page 8 / 15 » Comparing Nested GPSJ Queries in Multidimensional Databases |
106
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BIBE
2003
IEEE
15 years 3 months ago
2003
IEEE
We present a multi-dimensional indexing approach for fast sequence similarity search in DNA and protein databases. In particular, we propose effective transformations of subsequen...
VLDB
1997
ACM
15 years 2 months ago
1997
ACM
The result size of a query that involves multiple attributes from the same relation depends on these attributes’ joint data distribution,i.e., the frequencies of all combination...
102
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DATESO
2009
14 years 7 months ago
2009
Multi-dimensional data structures have been widely applied in many data management fields. Spatial data indexing is their natural application, however there are many applications i...
VLDB
2000
ACM
15 years 1 months ago
2000
ACM
Multidimensional access methods have shown high potential for significant performance improvements in various application domains. However, only few approaches have made their way...
104
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ICDT
1997
ACM
15 years 2 months ago
1997
ACM
Abstract. The goal of this paper is to study tractable iteration mechanisms for bags. The presence of duplicates in bags prevents iteration mechanisms developed in the context of s...