Fuzzy semantics for direction relations between composite regions

Authors:
Christophe Claramunt;Marius Thériault
Affiliations:
Naval Academy Research Institute, Lanvéoc-Poulmic, BP 600, 29240 Brest Naval, France;Laval University, Planning and Development Research Centre, Que., Canada G1K 7P4
Venue:
Information Sciences—Informatics and Computer Science: An International Journal
Year:
2004

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Abstract

This paper proposes a model that combines qualitative spatial reasoning with fuzzy semantic typing to derive direction relations between two composite regions in a spatial configuration. It extends Goyal and Egenhofer's direction relation model, initially proposed for simple regions, towards composite regions. A fuzzy semantics typing qualifies the overall direction relations of two composite regions. We introduce flexible fuzzy measures that allow for both a qualitative and metric study of direction relation similarities.