80
Voted
GIS
1997
ACM
15 years 1 months ago
1997
ACM
Spatial indexes, such as the PMR quadtree, are important in spatial databases for efficient execution of queries involving spatial constraints, especially when the queries involve...
71
Voted
GIS
1999
ACM
15 years 1 months ago
1999
ACM
Spatial indexes, such as the PMR quadtree, are important in spatial databases for efficient execution of queries involving spatial constraints, especially when the queries involv...