distance operator
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2018 ◽  
Vol 18 (2) ◽  
pp. 51-64 ◽  
Author(s):  
Galina Ilieva

Abstract The purpose of this paper is proposing, analyzing and assessing two new algorithms of the EDAS method for group multi-criteria decision making with fuzzy sets. In the first proposed EDAS extension for distance measure between two interval Type-2 fuzzy numbers is applied Graded Mean Integration Representation (GMIR). The second algorithm takes into account the proximity between the fuzzy alternatives and its similarity measure is Map Distance Operator (MDO). The two new algorithms are verified by a numerical example. Comparative analysis of obtained rankings demonstrates that GMIR extension is more reliable as an interval Type-2 fuzzy alternative to Evaluation based on Distance from Average Solution (EDAS). In case that time is of the essence, the MDO EDAS could be preferred.


2018 ◽  
Vol 29 (1) ◽  
pp. 440-458 ◽  
Author(s):  
Muhammad Shakeel ◽  
Saleem Abdullah ◽  
Rehan Ahmed

Abstract Group decision-making is a very useful technique for ranking the group of alternatives. The ordered weighted distance (OWD) operator is a new tool in group decision-making problems. In this paper, we apply the OWD operator on cubic information. We develop a new operator, the so-called cubic OWD (COWD) operator, and study the different properties of it. We also discuss some particular cases of COWD. Finally, we develop a general algorithm for group decision-making problems using the COWD operator and give an application to the group decision-making problem.


Science ◽  
2017 ◽  
Vol 357 (6358) ◽  
pp. 1357-1358 ◽  
Author(s):  
Francisco J. Garcia-Vidal ◽  
Johannes Feist

2017 ◽  
Vol 32 (1) ◽  
pp. 11-22 ◽  
Author(s):  
Shouzhen Zeng ◽  
José M. Merigó ◽  
Daniel Palacios-Marqués ◽  
Huanhuan Jin ◽  
Fengjuan Gu

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