Geodesic
Supplier Selection Using Different Metric Functions
Yugoslav journal of operations research, Tome 25 (2015) no. 3, p. 411 .

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Supplier selection is an important component of supply chain management in today’s global competitive environment. Hence, the evaluation and selection of suppliers have received considerable attention in the literature. Many attributes of suppliers, other than cost, are considered in the evaluation and selection process. Therefore, the process of evaluation and selection of suppliers is a multi-criteria decision making process. The methodology adopted to solve the supplier selection problem is intuitionistic fuzzy TOPSIS (Technique for Order Preference by Similarity to the Ideal Solution). Generally, TOPSIS is based on the concept of minimum distance from the positive ideal solution and maximum distance from the negative ideal solution. We examine the deficiencies of using only one metric function in TOPSIS, and propose the use of spherical metric function in addition to the commonly used metric functions. For empirical supplier selection problems, more than one metric function should be used.
Classification : 62C86.
Keywords: Supplier selection (a);TOPSIS (b), Metric functions (c), Spherical metric (d). 
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     author = {Sunday E. Omosigho and Dickson E. A. Omorogbe},
     title = {Supplier {Selection} {Using} {Different} {Metric} {Functions}},
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Sunday E. Omosigho; Dickson E. A. Omorogbe. Supplier Selection Using Different Metric Functions. Yugoslav journal of operations research, Tome 25 (2015) no. 3, p. 411 . http://geodesic.mathdoc.fr/item/YJOR_2015_25_3_a6/