168 search results - page 1 / 34 » Incremental Distance Join Algorithms for Spatial Databases |
SIGMOD
1998
ACM
13 years 9 months ago
1998
ACM
Two new spatial join operations, distance join and distance semijoin, are introduced where the join output is ordered by the distance betweenthe spatialattribute values ofthe join...
GIS
2006
ACM
14 years 5 months ago
2006
ACM
The result of a distance join operation on two sets of objects R, S on a spatial network G is a set P of object pairs <p, q>, p R, q S such that the distance of an object ...
DEXA
2006
Springer
13 years 6 months ago
2006
Springer
Geographic information systems (GIS) must support large georeferenced data sets. Due to the size of these data sets finding exact answers to spatial queries can be very time consum...
ADBIS
2003
Springer
13 years 10 months ago
2003
Springer
Let a tuple of n objects obeying a query graph (QG) be called the n-tuple. The “Ddistance-value” of this n-tuple is the value of a linear function of distances of the n objects...
ICDE
2008
IEEE
14 years 6 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...