Makaleler / Articles
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A novel spherical fuzzy analytic hierarchy process and its renewable energy application
(2020-03-01)The extensions of ordinary fuzzy sets such as intuitionistic fuzzy sets, Pythagorean fuzzy sets, and neutrosophic sets, whose membership functions are based on three dimensions, aim at collecting experts’ judgments more ... -
Intelligent systems for disaster management: Unmanned aerial vehicles’ surveillance problem with energy consumption constraints
(2020)This paper formulates the UAVs’ surveillance problem as a location-routing problem, where limited energy capacities of UAVs are modeled explicitly as constraints that account for their different flight statuses. The ... -
Fuzzy C-Means Algorithm with fixed cluster centers for uncapacitated facility location problems: Turkish case study
(2014)In this study, a new algorithm to solve uncapacitated facility location problems is proposed. The algorithm is a special version of original fuzzy c-means (FCM) algorithm. In FCM algorithm, unlabeled data are clustered and ... -
A novel VIKOR method using spherical fuzzy sets and its application to warehouse site selection
(2019)The extensions of ordinary fuzzy sets such as intuitionistic fuzzy sets (IFS), Pythagorean fuzzy sets (PFS), and neutrosophic sets (NS), whose membership functions are based on three dimensions, aim at collecting experts' ... -
Team planning under an electricity failure for a GSM operator
(2019)Base stations are very important for all GSM operators. Efficient base stations prevent income loss while bringing prestige to the company. This study deals with the problem of transportation planning of portable generators ... -
A novel fuzzy TOPSIS method using emerging interval-valued spherical fuzzy sets
(2019-06-03)All the extensions of ordinary fuzzy sets with three-dimensional membership functions such as intuitionistic fuzzy sets, second type intuitionistic fuzzy sets (or Pythagorean fuzzy sets) and neutrosophic sets aim at defining ... -
The r-interdiction selective multi-depot vehicle routing problem
(WILEY, 111 RIVER ST, HOBOKEN 07030-5774, NJ USA, 2020)The protection of critical facilities has been attracting increasing attention in the past two decades. Critical facilities involve physical assets such as bridges, railways, power plants, hospitals, and transportation ... -
Extension of WASPAS with spherical fuzzy sets
(2019)The 3D extensions of ordinary fuzzy sets such as intuitionistic fuzzy sets (IFS), Pythagorean fuzzy sets (PFS), and neutrosophic sets (NS) aim to describe experts’ judgments more informatively and explicitly. In this paper, ... -
Spherical fuzzy sets and spherical fuzzy TOPSIS method
(Journal of Intelligent Fuzzy Systems, 2019)All the extensions of ordinary fuzzy sets with three dimensional membership functions such as intuitionistic fuzzy sets (IFS), intuitionistic fuzzy sets of second type (IFS2), and neutrosophic fuzzy sets (NFS) aim at ... -
An Analytical Approach to Automotive Industry
(2015)Inventory control helps to manage or locate materials and any information through the processes in the company. The aim of the inventory management in the companies is to optimize inventory control. Especially, for the ...
