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» Negation in Spatial Reasoning
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NIPS
2001
13 years 11 months ago
Hyperbolic Self-Organizing Maps for Semantic Navigation
We introduce a new type of Self-Organizing Map (SOM) to navigate in the Semantic Space of large text collections. We propose a "hyperbolic SOM" (HSOM) based on a regular...
Jörg Ontrup, Helge Ritter
COSIT
2001
Springer
186views GIS» more  COSIT 2001»
14 years 2 months ago
Computational Structure in Three-Valued Nearness Relations
The development of cognitively plausible models of human spatial reasoning may ultimately result in computational systems that are better equipped to meet human needs. This paper e...
Matt Duckham, Michael F. Worboys
GIS
2010
ACM
13 years 8 months ago
Spatial data infrastructures as complex adaptive systems
Many researchers throughout the world have been struggling to better understand and describe Spatial Data Infrastructures (SDIs). Our knowledge of the real forces and mechanisms b...
L. Grus, Joep Crompvoets, A. K. Bregt
BMCBI
2007
146views more  BMCBI 2007»
13 years 10 months ago
Spatial location and its relevance for terminological inferences in bio-ontologies
Background: An adequate and expressive ontological representation of biological organisms and their parts requires formal reasoning mechanisms for their relations of physical aggr...
Stefan Schulz, Kornél G. Markó, Udo ...
SIGMOD
2004
ACM
241views Database» more  SIGMOD 2004»
14 years 10 months ago
SINA: Scalable Incremental Processing of Continuous Queries in Spatio-temporal Databases
This paper introduces the Scalable INcremental hash-based Algorithm (SINA, for short); a new algorithm for evaluating a set of concurrent continuous spatio-temporal queries. SINA ...
Mohamed F. Mokbel, Xiaopeng Xiong, Walid G. Aref