482 search results - page 18 / 97 » Selectivity Estimation in Spatial Databases |
ICDM
2009
IEEE
14 years 2 months ago
2009
IEEE
— In a data-mining approach, a model for estimation of Aerosol Optical Depth (AOD) from satellite observations is learned using collocated satellite and groundbased observations....
ICDE
2007
IEEE
14 years 2 months ago
2007
IEEE
Most database query optimizers use cost models to identify good query execution plans. Inaccuracies in the cost models can cause query optimizers to select poor plans. In this pap...
EDBT
1994
ACM
14 years 17 hour ago
1994
ACM
Abstract. Good estimates of join result sizes are critical for query optimization in relational database management systems. We address the problem of incrementally obtaining accur...
ICASSP
2007
IEEE
13 years 9 months ago
2007
IEEE
Multi-reference frame motion estimation improves the accuracy of motion compensation in video coding. However, it also increases computational complexity dramatically. In this pap...
ISCI
2007
13 years 7 months ago
2007
In an object-relational database management system, a query optimizer requires users to provide cost models of userdefined functions. The traditional approach is analytical, that...