26 search results - page 2 / 6 » Expressing Topological Connectivity of Spatial Databases |
GIS
2006
ACM
14 years 6 months ago
2006
ACM
Topological relationships between objects in space are of great importance in many disciplines. Recently, topological relationships have been defined for complex spatial objects. ...
SDB
1995
13 years 8 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....
PODS
2000
ACM
13 years 9 months ago
2000
ACM
We consider spatial databases in the plane that can be defined by polynomial constraint formulas. Motivated by applications in geographic information systems, we investigate line...
GIS
2007
ACM
14 years 6 months ago
2007
ACM
We discuss the task of reconstructing the topological map of an environment based on the sequences of locations visited by a mobile agent ? this occurs in systems neuroscience, wh...
DEXAW
2000
IEEE
13 years 9 months ago
2000
IEEE
This paper presents an integrated study on possible topological relationship between multidimensional simple objects in 0,1,2 and 3 D space. The formal categorisation of spatial r...