{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,20]],"date-time":"2026-03-20T02:45:09Z","timestamp":1773974709645,"version":"3.50.1"},"reference-count":28,"publisher":"Emerald","issue":"4","license":[{"start":{"date-parts":[[2018,1,8]],"date-time":"2018-01-08T00:00:00Z","timestamp":1515369600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.emerald.com\/insight\/site-policies"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["K"],"published-print":{"date-parts":[[2018,3,16]]},"abstract":"<jats:sec>\n<jats:title content-type=\"abstract-subheading\">Purpose<\/jats:title>\n<jats:p>In multi-criteria decision-making with interval grey number information, decision makers usually take a risk to rank or choose some very similar alternatives. Additionally, when evaluating only one alternative, decision makers can only obtain a specific value using traditional decision-making methods and may find it hard to cluster the alternatives to the \u201ccorrect class\u201d because these methods lack predetermined reference points. To overcome this problem, this paper aims to propose a two-stage grey decision-making method.<\/jats:p>\n<\/jats:sec>\n<jats:sec>\n<jats:title content-type=\"abstract-subheading\">Design\/methodology\/approach<\/jats:title>\n<jats:p>First, a new type of clustering method for interval grey numbers is designed by proposing a new possibility function for grey numbers. Based on this clustering method, a new grey clustering evaluation model for interval grey numbers is proposed by which decision makers can obtain the grade rating information of each alternative. Then, according to the grey clustering evaluation model, a new two-stage decision-making method is introduced to solve the problem that some alternatives are very similar by designing a grey comprehensive decision coefficient of alternatives.<\/jats:p>\n<\/jats:sec>\n<jats:sec>\n<jats:title content-type=\"abstract-subheading\">Findings<\/jats:title>\n<jats:p>The authors propose a new grey clustering evaluation model to deal with interval grey numbers. They design a new model to obtain the membership degree for the interval grey numbers and then propose a new grey clustering evaluation model, which can evaluate only one alternative by predefined grey classes. Then, by the grey comprehensive decision coefficient, a two-stage grey evaluation decision-making method is put forward to solve the problem that some alternatives are very close and hard to be distinguished.<\/jats:p>\n<\/jats:sec>\n<jats:sec>\n<jats:title content-type=\"abstract-subheading\">Originality\/value<\/jats:title>\n<jats:p>A new grey clustering evaluation model is proposed, which can evaluate only one alternative by predefined grey classes. A two-stage grey evaluation decision-making method is given to solve the problem that some alternatives are very close and hard to be distinguished.<\/jats:p>\n<\/jats:sec>","DOI":"10.1108\/k-06-2017-0214","type":"journal-article","created":{"date-parts":[[2018,1,8]],"date-time":"2018-01-08T09:19:08Z","timestamp":1515403148000},"page":"801-815","source":"Crossref","is-referenced-by-count":18,"title":["A new two-stage grey evaluation decision-making method for interval grey numbers"],"prefix":"10.1108","volume":"47","author":[{"given":"Peng","family":"Li","sequence":"first","affiliation":[]},{"given":"Cuiping","family":"Wei","sequence":"additional","affiliation":[]}],"member":"140","published-online":{"date-parts":[[2018,1,8]]},"reference":[{"key":"key2021041509155706400_ref001","doi-asserted-by":"crossref","first-page":"96","DOI":"10.1016\/j.ins.2014.07.033","article-title":"A novel similarity measure between Atanassov\u2019s intuitionistic fuzzy sets based on transformation techniques 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