A Study on the Location Analysis Using Spatial Analysis and Ordered Weighted Averaging Operator Weighting Functions
Se-Woong Oh*, Gyei-Kark Park**, Jong-Min Park*, and Sang-Hyun Suh*
*Dept. of Marine Safety, MOERI/KORDI, Daejeon, Korea
**Dept. of Marine information system, Mokpo National Maritime Univ., Mokpo, Korea
In this thesis, we proposed the method combining spatial analysis, selection method of weighting values, aggregating decision strategy. To select a sites proposed for ship anchorage, we analyzed spatial data. Fuzzy AHP was used as selection method of weighting values to incorporate the fuzzy set theory and the basic nature of subjectivity due to ambiguity to achieve a flexible decision approach suitable for uncertain and fuzzy environments. To obtain the score that corresponds to the best alternative or the ranking of the alternatives, we need to use a total order for the fuzzy numbers involved in the problem. In this paper, we consider a definition of such a total order: the degree of Orness (1, 3/4, 2/3, 1/2, 1/3, 1/4, 0) reflected with the ordered weighted averaging (OWA) operators. A numerical example was given to illustrate the approach.
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