480 search results - page 15 / 96 » Spatial Index on Air |
TKDE
2002
14 years 11 months ago
2002
A join-index is a data structure used for processing join queries in databases. Join-indices use precomputation techniques to speed up online query processing and are useful for da...
86
Voted
DEBU
2002
14 years 11 months ago
2002
Current moving-object indexing concentrates on point-objects capable of continuous movement in one-, two-, and three-dimensional Euclidean spaces, and most approaches are based on...
GIS
2010
ACM
14 years 10 months ago
2010
ACM
Many Web sites support keyword search on their spatial data, such as business listings and photos. In these systems, inconsistencies and errors can exist in both queries and the d...
SSD
1999
Springer
15 years 4 months ago
1999
Springer
We provide an evaluation of query execution plans (QEP) in the case of queries with one or two spatial joins. The QEPs assume R -tree indexed relations and use a common set of spat...
GIS
1997
ACM
15 years 3 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...