A family of IOWA operators with reliability measurement under interval-valued group decision-making environment

Pingtao Yi (), Qiankun Dong () and Weiwei Li ()
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Pingtao Yi: Northeastern University
Qiankun Dong: Northeastern University
Weiwei Li: Northeastern University

Group Decision and Negotiation, 2021, vol. 30, issue 3, No 1, 483-505

Abstract: Abstract Aggregation operators play an essential role in the aggregation of various individual input arguments in group decision-making (GDM). In this paper, we have proposed a family of IOWA operators with reliability measurement to aggregate uncertain decision information represented by interval numbers in GDM problems. In particular, we introduce the reliability-induced uncertain OWA (R-IUOWA) operator and the clusters’ reliability-induced uncertain OWA (CR-IUOWA) operator. This type of operators uses the reliability measurement representing the opinion consensus of individuals as the associated order-inducing variable and considers the decision-makers’ preference in the calculation of the position weights. Thus, the aggregation results have a higher consensus level. The R-IUOWA and CR-IUOWA operators have three primary properties such as commutativity, idempotency and boundness. The generalized formulas and some special cases of the two operators are outlined. Finally, the proposed operators are applied to a GDM problem regarding the selection of an investment company. The validity of the two operators is illustrated by comparing the aggregation results with that of other operators.

Keywords: Group decision-making; IOWA operator; Reliability measurement; Interval numbers; Opinion consensus (search for similar items in EconPapers)
Date: 2021
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DOI: 10.1007/s10726-020-09720-z

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