122 search results - page 4 / 25 » Spatial Joins and R-trees |
ICPADS
2000
IEEE
14 years 2 days 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...
ICDE
2008
IEEE
14 years 9 months ago
2008
IEEE
We identify and formalize a novel join operator for two spatial pointsets P and Q. The common influence join (CIJ) returns the pairs of points (p, q), p P, q Q, such that there e...
PODS
1999
ACM
14 years 9 min ago
1999
ACM
One of the most important types of query processing in spatial databases and geographic information systems is the spatial join, an operation that selects, from two relations, all...
NATO
1993
13 years 11 months ago
1993
METU Object-Oriented DBMS 1 includes the implementation of a database kernel, an object-oriented SQL-like language and a graphical user interface. Kernel functions are divided bet...
DANTE
1999
IEEE
14 years 3 hour ago
1999
IEEE
The growing importance of spatial data has made it imperative that spatial operations be executed efficiently. The most expensive operation is the join for spatial databases. This...