321 search results - page 51 / 65 » A Topological Data Model for Spatial Databases |
ESANN
2007
13 years 9 months ago
2007
Abstract. Several models have been proposed for spatio-temporal selforganization, among which the TOM model by Wiemer [1] is particularly promising. In this paper, we propose to ad...
KES
2005
Springer
14 years 1 months ago
2005
Springer
Abstract. A mobile robot that interacts with its environment needs a machineunderstandable representation of objects and their usages. We present an ontology of objects, with gener...
CCR
2005
13 years 7 months ago
2005
There exist a wide variety of network design problems that require a traffic matrix as input in order to carry out performance evaluation. The research community has not had at it...
KI
2004
Springer
14 years 29 days ago
2004
Springer
We present a novel geometric model for robot mapping suited for robots equipped with a laser range finder. The geometric representation is based on shape. Cyclic ordered sets of p...
EDBT
2006
ACM
14 years 7 months ago
2006
ACM
Abstract. Many different index structures have been proposed for spatial databases to support efficient query processing. However, most of these index structures suffer from an exp...