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Published in:
2005 | OriginalPaper | Chapter
Field Based Methods for the Modeling of Fuzzy Spatial Data
Authors : Jörg Verstraete, Guy De Tré, Rita De Caluwe, Axel Hallez
Published in: Fuzzy Modeling with Spatial Information for Geographic Problems
Publisher: Springer Berlin Heidelberg
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In this chapter, two different field based techniques for the modeling of fuzzy information spread over a geographic region, are presented and are compared regarding their applicability. The first one is a vector-mode approach, using triangulated irregular networks (or TINs), the second one is a raster (bitmapmode) approach. Appropriate aggregation operators are defined in both approaches and illustrated by means of examples. The feasibility of the implementation of the operators (by approximation whenever required) is studied. Attention has been paid to the applicability, advantages and disadvantages of both methods in flexible querying.