105 search results - page 4 / 21 » A Window Retrieval Algorithm for Spatial Databases Using Qua... |
GIS
2007
ACM
13 years 11 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
2009
IEEE
14 years 9 months ago
2009
IEEE
Abstract-- Particle simulation has become an important research tool in many scientific and engineering fields. Data generated by such simulations impose great challenges to databa...
DASFAA
2004
IEEE
13 years 11 months ago
2004
IEEE
Relational index structures, as for instance the Relational Interval Tree or the Linear Quadtree, support efficient processing of queries on top of existing object-relational datab...
VLDB
1994
ACM
13 years 11 months ago
1994
ACM
Global clustering has rarely been investigated in the area of spatial database systems although dramatic performance improvements can be achieved by using suitable techniques. In ...
SCIA
2009
Springer
14 years 2 months ago
2009
Springer
In the past few years, street-level geoviewers has become a very popular web-application. In this paper, we focus on a first urban concept which has been identified as useful for...