565 search results - page 64 / 113 » Multiple Range Query Optimization in Spatial Databases |
VLDB
2005
ACM
15 years 3 months ago
2005
ACM
In an “uncertain database”, an object o is associated with a multi-dimensional probability density function (pdf), which describes the likelihood that o appears at each positi...
102
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CIKM
2006
Springer
15 years 1 months ago
2006
Springer
In this paper we introduce the problem of Constrained Subspace Skyline Queries. This class of queries can be thought of as a generalization of subspace skyline queries using range...
168
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ICDE
2002
IEEE
15 years 11 months ago
2002
IEEE
XML queries typically specify patterns of selection predicates on multiple elements that have some specified tree structured relationships. The primitive tree structured relations...
EDBT
1998
ACM
15 years 1 months ago
1998
ACM
Efficient evaluation of similarity queries is one of the basic requirements for advanced multimedia applications. In this paper, we consider the relevant case where complex similar...
192
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GIS
2004
ACM
15 years 10 months ago
2004
ACM
Spatial, temporal and spatio-temporal aggregates over continuous streams of remotely sensed image data build a fundamental operation in many applications in the environmental scie...