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» Automation of Diagrammatic Reasoning
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GIS
2000
ACM
15 years 7 months ago
Modeling part-whole relationships for spatial data
Spatialapplications must managepartwhole (PW) relationships between spatial objects, for example, the division of an administrative region into zones based on land use. Support fo...
Rosanne Price, Nectaria Tryfona, Christian S. Jens...
GIS
2000
ACM
15 years 7 months ago
Fuzzy set theory and thematic maps: accuracy assessment and area estimation
Traditionally, the classes in thematic maps have been treated as crisp sets, using classical set theory. In this formulation, map classes are assumed to be mutually exclusive and e...
Curtis E. Woodcock, Sucharita Gopal
213
Voted
GIS
2002
ACM
15 years 7 months ago
Handling semantic heterogeneities using declarative agreements
The focus of this paper is on interoperability issues to achieve data integration in distributed databases for geographic applications. Our concrete application is in the context ...
Isabel F. Cruz, Afsheen Rajendran, William Sunna, ...
GIS
2002
ACM
15 years 7 months ago
Metadata modeling in a global computing environment
Emerging computational paradigms such as global and ubiquitous computing require some rethinking and innovative research ideas in many computer science areas. In this work, we aim...
Dieter Pfoser, Evaggelia Pitoura, Nectaria Tryfona
270
Voted
GIS
2002
ACM
15 years 7 months ago
Interactive 3D visualization of vector data in GIS
Vector data represents one major category of data managed by GIS. This paper presents a new technique for vector-data display that is able to precisely and efficiently map vector ...
Oliver Kersting, Jürgen Döllner