50 search results - page 1 / 10 » Distance join queries on spatial networks |
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 ...
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
2009
IEEE
14 years 6 months ago
2009
IEEE
The popularity of location-based services and the need to do real-time processing on them has led to an interest in performing queries on transportation networks, such as finding s...
PODS
2004
ACM
14 years 5 months ago
2004
ACM
We present a novel coding-based technique for answering spatial and spatiotemporal queries on objects moving along a system of curves on the plane such as many road networks. We h...
DKE
2006
13 years 4 months ago
2006
The K-Closest-Pairs Query (K-CPQ), a type of distance join in spatial databases, discovers the K pairs of objects formed from two different datasets with the K smallest distances....