66 search results - page 4 / 14 » Improved Histograms for Selectivity Estimation of Range Pred... |
89
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3DPVT
2006
IEEE
15 years 5 months ago
2006
IEEE
A prerequisite to calibrated camera pose estimation is the construction of a camera neighborhood adjacency graph, a connected graph defining the pose neighbors of the camera set....
ECCV
2002
Springer
16 years 1 months ago
2002
Springer
The performances of many image analysis tasks depend on the image resolution at which they are applied. Traditionally, resolution selection methods rely on spatial derivatives of i...
ADC
2004
Springer
15 years 5 months ago
2004
Springer
Many spatio-temporal applications involve managing and querying moving objects. In such an environment, predictive spatio-temporal queries become an important query class to be pr...
145
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VLDB
2008
ACM
15 years 12 months ago
2008
ACM
Histograms are used to summarize the contents of relations into a number of buckets for the estimation of query result sizes. Several techniques (e.g., MaxDiff and V-Optimal) have ...
VLDB
1999
ACM
15 years 4 months ago
1999
ACM
This paper aims to improve the accuracy of query result-size estimations in query optimizers by leveraging the dynamic feedback obtained from observations on the executed query wo...