482 search results - page 6 / 97 » Selectivity Estimation in Spatial Databases |
VLDB
2007
ACM
14 years 8 months ago
2007
ACM
DASFAA
2010
IEEE
14 years 2 months ago
2010
IEEE
Abstract. Besides topological relations and approximate relations, cardinal directions have turned out to be an important class of qualitative spatial relations. In spatial databas...
KYOTODL
2000
13 years 9 months ago
2000
Spatial data are often stored in a database with the finest level of details. The problem of cartographic generalization of spatial data concerns deriving spatial data with proper...
PDP
2008
IEEE
14 years 2 months ago
2008
IEEE
Searching for similar objects in metric-space databases can be efficiently solved by using index data structures. A number of alternative sequential indexes have been proposed in...
SIGMOD
2003
ACM
14 years 8 months ago
2003
ACM
Spatial database operations are typically performed in two steps. In the filtering step, indexes and the minimum bounding rectangles (MBRs) of the objects are used to quickly dete...