156 search results - page 22 / 32 » The Impact of Global Clustering on Spatial Database Systems |
ICDE
1987
IEEE
15 years 3 months ago
1987
IEEE
: Previous multidimensional dynamic hashing schemes exhibit two obvious shortcomings. First, even for uniform record distribution, the retrieval performance of these schemes suffer...
136
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SOSP
2009
ACM
15 years 8 months ago
2009
ACM
Data-intensive applications are increasingly designed to execute on large computing clusters. Grouped aggregation is a core primitive of many distributed programming models, and i...
115
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IAJIT
2010
14 years 10 months ago
2010
: A broad variety of data is available in distinct heterogeneous sources, stored under different formats: database formats (in relational and object-oriented models), document form...
104
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SPIRE
2001
Springer
15 years 4 months ago
2001
Springer
In this paper, we study query processing in a distributed text database. The novelty is a real distributed architecture implementation that offers concurrent query service. The di...
MTSR
2007
Springer
15 years 6 months ago
2007
Springer
In this paper we describe the development of an ontology of molecular and phenotypic cereals data, realized by integrating existing public web databases with the database developed...