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» A Calculus for Data Mapping
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JEI
2007
91views more  JEI 2007»
14 years 10 months ago
Gradient-based value mapping for pseudocolor images
Abstract. We develop a method for automatic colorization of images (or two-dimensional fields) in order to visualize pixel values and their local differences. In many applications...
Arvind Visvanathan, Stephen E. Reichenbach, Qingpi...
DASFAA
2008
IEEE
101views Database» more  DASFAA 2008»
15 years 4 months ago
Topological Relationships between Map Geometries
The importance of topological relationships between spatial objects is recognized in many disciplines. In the field of spatial databases, topological relationships have played an ...
Mark McKenney, Markus Schneider
SEMWEB
2007
Springer
15 years 4 months ago
A Cognitive Support Framework for Ontology Mapping
Abstract. Ontology mapping is the key to data interoperability in the semantic web. This problem has received a lot of research attention, however, the research emphasis has been m...
Sean M. Falconer, Margaret-Anne D. Storey
SSD
2007
Springer
107views Database» more  SSD 2007»
15 years 4 months ago
Spatial Partition Graphs: A Graph Theoretic Model of Maps
The notion of a map is a fundamental metaphor in spatial disciplines. However, there currently exist no adequate data models for maps that define a precise spatial data type for m...
Mark McKenney, Markus Schneider
NPL
2002
120views more  NPL 2002»
14 years 9 months ago
A Novel Measure for Quantifying the Topology Preservation of Self Organizing Feature Maps
Recently, feature maps have been applied to various problem domains.The success of some of these applications critically depends on whether feature maps are topologically ordered. ...
Mu-Chun Su, Hsiao-Te Chang, Chien-Hsing Chou