GIS
2006
ACM
14 years 8 months ago
2006
ACM
An iconic image database is a collection of symbolic images where each image is a collection of labeled point features called icons. A method is presented to support fast position...
GIS
2006
ACM
14 years 8 months ago
2006
ACM
If you were told that some object A was perfectly (or somewhat, or not at all) in some direction (e.g., west, above-right) of some reference object B, where in space would you loo...
GIS
2006
ACM
14 years 8 months ago
2006
ACM
A cartogram is a thematic map that visualizes statistical data about a set of regions like countries, states or provinces. The size of a region in a cartogram corresponds to a par...
GIS
2006
ACM
14 years 8 months ago
2006
ACM
In the real world, lots of objects with changing position can be found. Some of them repeat the same movement several times, called periodic movements. Examples include airplanes,...
GIS
2006
ACM
14 years 8 months ago
2006
ACM
Efficient evaluation of spatial queries is an important issue in spatial database. Among spatial operations, spatial join is very useful, intersection being the most common predic...
GIS
2005
ACM
14 years 8 months ago
2005
ACM
Databases of moving objects are important for air traffic control, ground traffic, and battlefield configurations. We introduce the (historical and spatial) range close-pair query...
GIS
2005
ACM
14 years 8 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...
GIS
2005
ACM
14 years 8 months ago
2005
ACM
A necessary step in the implementation of three-dimensional spatial data types for spatial database systems and GIS is the development of robust geometric primitives. The authors ...
GIS
2005
ACM
14 years 8 months ago
2005
ACM
Geographic Information Systems (GIS) are increasingly managing very large sets of data and hence a centralized data repository may not always provide the most scalable solution. H...
GIS
2005
ACM
14 years 8 months ago
2005
ACM
Recent advances in low-power sensing devices coupled with the widespread availability of wireless ad-hoc networks have fueled the development of sensor networks. These are typical...