1787 search results - page 13 / 358 » Approximation Techniques for Spatial Data |
ICDE
2008
IEEE
14 years 8 months ago
2008
IEEE
We introduce Pulse, a framework for processing continuous queries over models of continuous-time data, which can compactly and accurately represent many real-world activities and p...
PODS
1999
ACM
13 years 11 months ago
1999
ACM
We investigate the problem of how to extend constraint query languages with aggregate operators. We deal with standard relational aggregation, and also with aggregates speci c to ...
DAWAK
2010
Springer
13 years 8 months ago
2010
Springer
Spatial data warehouses (SDW) enable analytical multidimensional queries together with spatial analysis. Mainly, three operations are related to SDW query processing performance: (...
ICIP
2004
IEEE
14 years 9 months ago
2004
IEEE
In this contribution we present an algorithm for spatial error concealment of lost image data caused by transmission of images in error prone environments. The surrounding correct...
ISAAC
2004
Springer
14 years 26 days ago
2004
Springer
We propose a space-efficient scheme for summarizing multidimensional data streams. Our sketch can be used to solve spatial versions of several classical data stream queries effici...