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Modelling nearness and cardinal directions between fuzzy regions

Schockaert, Steven ORCID:, De Cock, Martine and Kerre, E. E. 2008. Modelling nearness and cardinal directions between fuzzy regions. Presented at: IEEE International Conference on Fuzzy Systems, Hong Kong, China, 1-6 June 2008. 2008 IEEE International Conference on Fuzzy Systems : Hong Kong, China, 1-6 June 2008. Piscataway, NJ: IEEE, pp. 1548-1555. 10.1109/FUZZY.2008.4630578

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A significant part of real-world spatial information is affected by vagueness. For example, boundaries of non-administrative geographical regions tend to be ill-defined, while information about the nearness and relative orientation of two places is typically expressed through vague linguistic descriptions. In this paper, we propose a general framework to represent such information, using the concept of relatedness measures for fuzzy sets. Regions are represented as fuzzy sets in a two-dimensional Euclidean space, and nearness and relative orientation are expressed as fuzzy relations. To support fuzzy spatial reasoning, we derive transitivity rules and provide efficient techniques to deal with the complex interactions between nearness and cardinal directions.

Item Type: Conference or Workshop Item (Paper)
Date Type: Publication
Status: Published
Schools: Computer Science & Informatics
Subjects: Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Q Science > QA Mathematics > QA76 Computer software
Publisher: IEEE
ISBN: 9781424418183
Last Modified: 20 Oct 2022 09:24

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