• A novel VIKOR method using spherical fuzzy sets and its application to warehouse site selection 

  KUTLU GÜNDOGDU, FATMA; Kahraman, Cengiz (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 

  Üney-Yüksektepe, Fadime; Çakır, Kübra; Yılmaz, Nur; Bayrak, Meltem (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 

  Kutlu Gündoğdu, Fatma; Kahraman, Cengiz (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 

  Sadati, Mir Ehsan Hesam; Aksen, Deniz; Aras, Necati (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 ...
• Anticipation for Customer Analytics 

  AKBURAK, DILEK; Şenvar, Özlem; Yel, Necla (2019-11)

  In the digitalization era, enterprises are required to proactive customer relationships via analytical techniques to execute customer treatment strategies based on predictive analytics drawing on a wealth of data about ...
• Wind farm layout optimization to maximize total power production 

  ÜLKÜ, ILAYDA; Alabaş Uslu, Çiğdem (2018-05)

  With the rapid increase in energy demand, renewable energy has been considered as an alternative energy resource around the world. A new nonlinear mathematical model is developed in the presented study and a comparison is ...
• Intellegent Sytems for Disaster Management : Anmanned Aerial Vehicles 

  DÜNDAR, Uğurcan (2019-07)

  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 ...
• An Integrated Pythagorean Fuzzy AHP & TOPSIS Method for the Selection of the Most Appropriate Clean Energy Technology 

  Kutlu Gündoğdu, Fatma; Karaşan, Ali; Kahraman, Cengiz (2019-07)

  Clean energy technologies which include renewable energy, electric vehicles, nuclear power and biofuels focus on ways to boost demand and de­ ployment by societies. Governments in many countries aim to increase the clean ...
• Spherical fuzzy VIKOR method and Its application to waste management 

  Kutlu Gündoğdu, Fatma; Kahraman, Cengiz; Karaşan, Ali (2019-07)

  The extensions of ordinary fuzzy sets such as intuitionistic fuzzy sets (IFS). Pythagorean fuzzy sets (PFS). and neutrosopliic sets (NS). whose mem­ bership functions are based on three dimensions, aim at collecting experts’ ...
• Spherical fuzzy analytic hierarchy process (AHP) and its application to industrial robot selection 

  Kutlu Gündoğdu, Fatma; Kahraman, Cengiz (2019-07)

  The extensions of ordinary fuzzy sets such as intuitionistic fuzzv sets (IFS). Pythagorean fuzzy sets (PFS). and neutrosophic sets (NS). whose mem­ bership functions are based on three dimensions, aim at collecting experts' ...

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