482 search results - page 78 / 97 » Selectivity Estimation in Spatial Databases |
GIS
2005
ACM
14 years 8 months ago
2005
ACM
Numerous raster maps are available on the Internet, but the geographic coordinates of the maps are often unknown. In order to determine the precise location of a raster map, we ex...
EDBT
2008
ACM
14 years 7 months ago
2008
ACM
The spatial and temporal databases have been studied widely and intensively over years. In this paper, we study how to answer queries of finding the best departure time that minim...
EDBT
2009
ACM
13 years 11 months ago
2009
ACM
In emerging applications such as location-based services, sensor monitoring and biological management systems, the values of the database items are naturally imprecise. For these ...
GIS
2010
ACM
13 years 6 months ago
2010
ACM
The quality of a local search engine, such as Google and Bing Maps, heavily relies on its geographic datasets. Typically, these datasets are obtained from multiple sources, e.g., ...
ICCV
2003
IEEE
14 years 9 months ago
2003
IEEE
Many sensing techniques and image processing applications are characterized by noisy, or corrupted, image data. Anisotropic diffusion is a popular, and theoretically well understo...