2674 search results - page 239 / 535 » Data Models and Query Languages for Spatial Databases |
314
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ICDE
2009
IEEE
16 years 8 months ago
2009
IEEE
Mediator-based data integration systems resolve exploratory queries by joining data elements across sources. In the presence of uncertainties, such multiple expansions can quickly ...
193
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HPDC
2000
IEEE
15 years 11 months ago
2000
IEEE
The dQUOB system satis es client need for speci c information from high-volume data streams. The data streams we speak of are the ow of data existing during large-scale visualizat...
192
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EDBT
2008
ACM
16 years 6 months ago
2008
ACM
Scientific data are available through an increasing number of heterogeneous, independently evolving, sources. Although the sources themselves are independently evolving, the data ...
150
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DOLAP
2006
ACM
16 years 13 days ago
2006
ACM
Motivated by the increasing need to analyze complex, uncertain multidimensional data this paper proposes probabilistic OLAP queries that are computed using probability distributio...
146
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IJIS
2002
15 years 6 months ago
2002
In search of semantic richer and more flexible database modelling and database querying techniques, different approaches based on fuzzy set theory have been developed. Among the m...