756 search results - page 25 / 152 » Using topology for spatial reasoning |
ICRA
2007
IEEE
15 years 4 months ago
2007
IEEE
— In this paper, multiple on-board sensors are used to assess the terrain safety in real-time during spacecraft descent. A linguistic, fuzzy rule-based reasoning engine is used t...
SDB
1995
15 years 1 months ago
1995
In this paper we discuss two data models for spatial database systems: the linear data model and the topological data model. Both can be used to model a wide range of applications....
87
Voted
GIS
1995
ACM
15 years 1 months ago
1995
ACM
An algorithm is presented to answer window queries in a quadtree-based spatial database environment by retrieving the covering blocks in the underlying spatial database. It works ...
60
Voted
KYOTODL
2000
14 years 11 months ago
2000
Spatial data are often stored in a database with the finest level of details. The problem of cartographic generalization of spatial data concerns deriving spatial data with proper...
DASFAA
2010
IEEE
15 years 4 months ago
2010
IEEE
Abstract. Besides topological relations and approximate relations, cardinal directions have turned out to be an important class of qualitative spatial relations. In spatial databas...