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Publicado en línea: 22 jun 2016
Páginas: 60 - 68
DOI: https://doi.org/10.1515/cait-2016-0020
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© by Galina Ilieva
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.
This paper proposes a new TOPSIS with interval type-2 fuzzy numbers. The extension applies graded mean integration to compare normal fuzzy trapezoidal sets. It is demonstrated by a numerical example for ranking business intelligence software that the TOPSIS modification can operate with qualitative and quantitative criteria, reduces evaluation uncertainty and provides a feasible solution.