Sciweavers

GIS
2000
ACM
13 years 4 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
GIS
2000
ACM
13 years 4 months ago
A conceptual framework for incorporating cognitive principles into geographical database representation
The advancement of GIS data models to allow the eOEective utilization of very large heterogeneous geographic databases requires a new approach that incorporates models of human cog...
Jeremy L. Mennis, Donna Peuquet, Liujian Qian
GIS
2000
ACM
13 years 4 months ago
Actor-networks and implementation: examples from conservation GIS in Ecuador
Recommendationsfor implementationand evaluation of Geographical Information Systems (GIS) can bene t from a broader theoretical foundation to support investigation, understanding a...
Eugene W. Martin
GIS
2000
ACM
13 years 4 months ago
Mapping biodiversity
Geoffrey C. Bowker
GIS
2000
ACM
13 years 4 months ago
Long term management of a corporate GIS
The GIS literature abounds with strategies to guide the development of a corporate GIS as a single project but lacks discussion on the long term management of the GIS. This paper d...
Tai O. Chan, Ian Williamson
GIS
2000
ACM
13 years 4 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
13 years 8 months ago
Query operations for moving objects database systems
José Moreira, Cristina Ribeiro, Talel Abdes...