43 search results - page 6 / 9 » Vague Spatial Data Types, Set Operations, and Predicates |
ICCSA
2007
Springer
14 years 12 days ago
2007
Springer
Next generation of GIS software should be able to manipulate and analyse complex situations of real world phenomena. One of the desired components in such software or system is the...
ICPADS
2000
IEEE
13 years 10 months ago
2000
IEEE
The most costly spatial operation in spatial databases is a spatial join with combines objects from two data sets based on spatial predicates. Even if the execution time of sequen...
IGIS
1994
13 years 10 months ago
1994
The basic concept for processing spatial joins consists of two steps: First, the spatial join is performed on the minimum bounding rectangles of the objects by using a spatial acce...
SIGMOD
2003
ACM
14 years 6 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...
GIS
2008
ACM
14 years 7 months ago
2008
ACM
Given a spatial crime data warehouse, that is updated infrequently and a set of operations O as well as constraints of storage and update overheads, the index type selection probl...