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Ordered fuzzy weighted averages and ordered linguistic weighted averages

Authors: Dongrui Wu; Jerry M. Mendel;

Ordered fuzzy weighted averages and ordered linguistic weighted averages

Abstract

The ordered weighted average (OWA) operator has been widely used in decision-making. In many situations, however, providing crisp numbers for either the sub-criteria or the weights is problematic (there could be uncertainties about them), and it is more meaningful to provide intervals, type-1 fuzzy sets (T1 FSs), interval type-2 fuzzy sets (IT2 FSs), or a mixture of all of these, for the sub-criteria and weights. Two fuzzy extensions of the OWA, ordered fuzzy weighted averages for T1 FSs and ordered linguistic weighted averages for IT2 FSs, as wells as procedures for computing them, are introduced in this paper. They are compared with Zhou et al.'s T1 and IT2 fuzzy extensions of the OWA. Examples show that our extensions may give different results from Zhou et al.'s extensions when the legs of the FSs have intersections. Because our extensions coincide with the intuition of “FS in its entirety,” they are the suggested ones to use.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
8
Average
Top 10%
Average
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