68 search results - page 6 / 14 » Towards a general theory of geographic representation in GIS |
GIS
2008
ACM
15 years 2 months ago
2008
ACM
One of the formalisms to qualitatively describe polylines in the plane are double-cross matrices. In a double-cross matrix the relative position of any two line segments in a poly...
238
click to vote
COSIT
2011
Springer
14 years 1 months ago
2011
Springer
Abstract. We propose CLP(QS), a declarative spatial reasoning framework capable of representing and reasoning about high-level, qualitative spatial knowledge about the world. We sy...
178
click to vote
GIS
2007
ACM
16 years 2 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...
102
click to vote
GIS
2009
ACM
15 years 6 months ago
2009
ACM
Apart from visualization tasks, three-dimensional (3D) data management features are not or only hardly available in current spatial database systems and Geographic Information Sys...
213
click to vote
GIS
2008
ACM
16 years 2 months ago
2008
ACM
The pervasiveness of location-acquisition technologies (GPS, GSM networks, etc.) enable people to conveniently log the location histories they visited with spatio-temporal data. T...