Hesitant linguistic term sets have been introduced to capture the human way of reasoning using linguistic expressions involving different levels of precision. In this paper, a lattice structure is provided to the set of hesitant fuzzy linguistic term sets by means of the operations intersection and connected union. In addition, in a group decision making framework, hesitant fuzzy linguistic descriptions are defined to manage situations in which decision makers are assessing different alternatives by means of hesitant fuzzy linguistic term sets. Based on the introduced lattice structure, two distances between hesitant fuzzy linguistic descriptions are defined. These metric structures allow distances between decision makers to be computed. A centroid of the decision making group is proposed for each distance to model group representatives in the considered group decision making framework.

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Montserrat Adell, Jordi; Agell Jan, Nria; Snchez Soler, Mnica; Prats Duaygues, Francesc; Ruiz Vegas, Francisco Javier

Modeling group assessments by means of hesitant fuzzy linguistic term sets

09/2017
Hesitant linguistic term sets have been introduced to capture the human way of reasoning using linguistic expressions involving different levels of precision. In this paper, a lattice structure is provided to the set of hesitant fuzzy linguistic term sets by means of the operations intersection and connected union. In addition, in a group decision making framework, hesitant fuzzy linguistic descriptions are defined to manage situations in which decision makers are assessing different alternatives by means of hesitant fuzzy linguistic term sets. Based on the introduced lattice structure, two distances between hesitant fuzzy linguistic descriptions are defined. These metric structures allow distances between decision makers to be computed. A centroid of the decision making group is proposed for each distance to model group representatives in the considered group decision making framework.
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Modeling group assessments by means of hesitant fuzzy linguistic term sets
Montserrat Adell, Jordi; Agell Jan, Nria; Snchez Soler, Mnica; Prats Duaygues, Francesc; Ruiz Vegas, Francisco Javier
Journal of Applied Logic
Vol. 23, n 1, 09/2017, p. 40 - 50

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