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image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao https://doi.org/10.1...arrow_drop_down
image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
https://doi.org/10.1007/3-540-...
Book . 1999 . Peer-reviewed
License: Springer TDM
Data sources: Crossref
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Spatial Information Theory. Cognitive and Computational Foundations of Geographic Information Science

International Conference COSIT’99 Stade, Germany, August 25–29, 1999 Proceedings
Authors: Christian Freksa; David M. Mark;

Spatial Information Theory. Cognitive and Computational Foundations of Geographic Information Science

Abstract

ion and Spatial Hierarchies Andrew U. Frank One step up the abstraction ladder: Combining algebras – from functional pieces to a whole 95 Emilio Remolina, Juan A. Fernandez, Benjamin Kuipers, and Javier Gonzalez Formalizing regions in the spatial semantic hierarchy: An AH-graphs implementation approach 109 Sabine Timpf Abstraction, levels of detail, and hierarchies in map series 125 Stephan Winter Topological relations in hierarchical partitions 141 Spatial Reasoning Calculi Carola Eschenbach A predication calculus for qualitative spatial representations 157 Gerard Ligozat Simple models for simple calculi 173 Ralf Moller and Michael Wessel Terminological default reasoning about spatial information: A first step 189 Lars Kulik and Alexander Klippel Reasoning about cardinal directions using grids as qualitative geographic coordinates 205

  • BIP!
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    citations
    This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    206
    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    Top 10%
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    Top 1%
    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
    Top 10%
Powered by OpenAIRE graph
Found an issue? Give us feedback
citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
206
Top 10%
Top 1%
Top 10%
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