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W2GIS
2005
Springer
13 years 11 months ago
2005
Springer
In pedestrian navigation, navigators are free to choose any passable way. Because of this characteristic, accurate route instructions are important when navigating from waypoint to...
COSIT
2001
Springer
13 years 10 months ago
2001
Springer
Geographic information is defined as a subset of spatial information, specific to the spatiotemporal frame of the Earth’s surface. Thus geographic information theory inherits the...
COSIT
2009
Springer
13 years 10 months ago
2009
Springer
Abstract. This paper addresses the problem of merging qualitative constraint networks (QCNs) defined on different qualitative formalisms. Our model is restricted to formalisms wher...
GIS
2007
ACM
14 years 7 months ago
2007
ACM
We propose a new multi-scale terrain model, based on a hierarchical representation for the morphology of a terrain. The basis of our morphological model is a dual Morse decomposit...
GIS
2006
ACM
14 years 7 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. ...