565 search results - page 27 / 113 » Multiple Range Query Optimization in Spatial Databases |
SSD
2001
Springer
15 years 2 months ago
2001
Springer
In this paper we introduce the notion of constrained nearest neighbor queries (CNN) and propose a series of methods to answer them. This class of queries can be thought of as neare...
GIS
2010
ACM
14 years 8 months ago
2010
ACM
Reasoning about space has been a considerable field of study both in Artificial Intelligence and in spatial information theory. Many applications benefit from the inference of ...
167
Voted
SIGMOD
2005
ACM
15 years 9 months ago
2005
ACM
Personalization is a powerful mechanism that helps users to cope with the abundance of information on the Web. Database query personalization achieves this by dynamically construc...
87
Voted
FOCS
2009
IEEE
15 years 4 months ago
2009
IEEE
In orthogonal range reporting we are to preprocess N points in d-dimensional space so that the points inside a d-dimensional axis-aligned query box can be reported efficiently. T...
188
click to vote
GIS
2005
ACM
15 years 10 months ago
2005
ACM
The R*-tree, as a state-of-the-art spatial index, has already found its way into commercial systems like Oracle. In this paper, we aim at improving query performance of the R*tree...