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116
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AI
2000
Springer
15 years 1 months ago
Boolean connection algebras: A new approach to the Region-Connection Calculus
The Region-Connection Calculus (RCC) is a well established formal system for qualitative spatial reasoning. It provides an axiomatization of space which takes regions as primitive...
John G. Stell
131
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GISCIENCE
2004
Springer
159views GIS» more  GISCIENCE 2004»
15 years 7 months ago
The SPIRIT Spatial Search Engine: Architecture, Ontologies and Spatial Indexing
Abstract. The SPIRIT search engine provides a test bed for the development of web search technology that is specialised for access to geographical information. Major components inc...
Christopher B. Jones, Alia I. Abdelmoty, David Fin...
AAAI
2008
15 years 4 months ago
Reasoning with Cardinal Directions: An Efficient Algorithm
Direction relations between extended spatial objects are important commonsense knowledge. Recently, Goyal and Egenhofer proposed a formal model, called Cardinal Direction Calculus...
Xiaotong Zhang, Weiming Liu, Sanjiang Li, Mingshen...
116
Voted
ISMM
2009
Springer
15 years 8 months ago
Spatially-Variant Anisotropic Morphological Filters Driven by Gradient Fields
Abstract. This paper deals with the theory and applications of spatially-variant mathematical morphology. We formalize the definition of spatially variant dilation/erosion and ope...
Rafael Verdú Monedero, Jesús Angulo,...
115
Voted
SPATIALCOGNITION
2000
Springer
15 years 5 months ago
Transfer of Spatial Knowledge from Virtual to Real Environments
The transfer of spatial knowledge from virtual to real environments is one important issue in spatial cognition research. Up to now, studies in this domain have revealed that the p...
Patrick Péruch, Loïc Belingard, Cather...