Integration of fuzzy-weighted zero-inconsistency and fuzzy decision by opinion score methods under a q-rung orthopair environment: A distribution case study of COVID-19 vaccine doses

A. S. Albahri, O. S. Albahri, A. A. Zaidan, Alhamzah Alnoor, H. A. Alsattar, Rawia Mohammed, A. H. Alamoodi, B. B. Zaidan, Uwe Aickelin, Mamoun Alazab, Salem Garfan, Ibraheem Y.Y. Ahmaro, M. A. Ahmed

    Research output: Contribution to journalArticlepeer-review

    59 Citations (Scopus)

    Abstract

    Owing to the limitations of Pythagorean fuzzy and intuitionistic fuzzy sets, scientists have developed a distinct and successive fuzzy set called the q-rung orthopair fuzzy set (q-ROFS), which eliminates restrictions encountered by decision-makers in multicriteria decision making (MCDM) methods and facilitates the representation of complex uncertain information in real-world circumstances. Given its advantages and flexibility, this study has extended two considerable MCDM methods the fuzzy-weighted zero-inconsistency (FWZIC) method and fuzzy decision by opinion score method (FDOSM) under the fuzzy environment of q-ROFS. The extensions were called q-rung orthopair fuzzy-weighted zero-inconsistency (q-ROFWZIC) method and q-rung orthopair fuzzy decision by opinion score method (q-ROFDOSM). The methodology formulated had two phases. The first phase ‘development’ presented the sequential steps of each method thoroughly.The q-ROFWZIC method was formulated and used in determining the weights of evaluation criteria and then integrated into the q-ROFDOSM for the prioritisation of alternatives on the basis of the weighted criteria. In the second phase, a case study regarding the MCDM problem of coronavirus disease 2019 (COVID-19) vaccine distribution was performed. The purpose was to provide fair allocation of COVID-19 vaccine doses. A decision matrix based on an intersection of ‘recipients list’ and ‘COVID-19 distribution criteria’ was adopted. The proposed methods were evaluated according to systematic ranking assessment and sensitivity analysis, which revealed that the ranking was subject to a systematic ranking that is supported by high correlation results over different scenarios with variations in the weights of criteria.

    Original languageEnglish
    Article number103572
    Pages (from-to)1-46
    Number of pages46
    JournalComputer Standards and Interfaces
    Volume80
    DOIs
    Publication statusPublished - Mar 2022

    Bibliographical note

    Funding Information:
    The authors are grateful to the Universiti Pendidikan Sultan Idris, Malaysia for funding this study under Grant No. 2020-0296-109-11 .

    Publisher Copyright:
    © 2021

    Copyright:
    Copyright 2021 Elsevier B.V., All rights reserved.

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