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» Qualitative Spatial Reasoning about Line Segments
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COSIT
2003
Springer
129views GIS» more  COSIT 2003»
14 years 3 months ago
Linearized Terrain: Languages for Silhouette Representations
The scope of this paper is a qualitative description of terrain features that can be characterized using the silhouette of a terrain. The silhouette is a profile of a landform seen...
Lars Kulik, Max J. Egenhofer
AIR
2005
114views more  AIR 2005»
13 years 9 months ago
Relation Algebras and their Application in Temporal and Spatial Reasoning
Qualitative temporal and spatial reasoning is in many cases based on binary relations such as before, after, starts, contains, contact, part of, and others derived from these by r...
Ivo Düntsch
FLAIRS
2004
13 years 11 months ago
Reasoning on Spatial Constraints over Regions
We discuss description and reasoning over regions. We have proposed a system called SRCC that integrates integration of spatial and semantic data. SRCC can describe and reason abo...
Kazuko Takahashi
COSIT
2001
Springer
158views GIS» more  COSIT 2001»
14 years 2 months ago
Double-Crossing: Decidability and Computational Complexity of a Qualitative Calculus for Navigation
Abstract. The Double Cross calculus has been proposed for the purpose of navigation based on qualitative information about spatial configurations. Up until now, however, no result...
Alexander Scivos, Bernhard Nebel
ARTMED
2006
80views more  ARTMED 2006»
13 years 10 months ago
A formal theory for spatial representation and reasoning in biomedical ontologies
Objective: The objective of this paper is to demonstrate how a formal spatial theory can be used as an important tool for disambiguating the spatial information embodied in biomed...
Maureen Donnelly, Thomas Bittner, Cornelius Rosse