123 search results - page 3 / 25 » Query Processing Using Distance Oracles for Spatial Networks |
ICDE
2006
IEEE
14 years 7 months ago
2006
IEEE
A system that enables real time query processing on large spatial networks is demonstrated. The system provides functionality for processing a wide range of spatial queries such a...
GIS
2007
ACM
13 years 9 months ago
2007
ACM
Spatial join is an important yet costly operation in spatial databases. In order to speed up the execution of a spatial join, the input tables are often indexed based on their spa...
ICDE
2011
IEEE
12 years 9 months ago
2011
IEEE
— Optimal location (OL) queries are a type of spatial queries particularly useful for the strategic planning of resources. Given a set of existing facilities and a set of clients...
ADBIS
2006
Springer
13 years 11 months ago
2006
Springer
In order to search similar moving object trajectories, the previously used methods focused on Euclidean distance and considered only spatial similarity. Euclidean distance is not a...
ADBIS
2003
Springer
13 years 11 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...