Now showing items 90-109 of 129

    • Optimization Based Tumor Classification From Microarray Gene Expression Data 

      Dağlıyan, Onur; Üney-Yüksektepe, Fadime; Kavaklı, Halil; Türkay, Metin (Public Library Science, 185 Berry St, Ste 1300, San Francisco, Ca 94107 USA, 2011-02-04)
      Background: An important use of data obtained from microarray measurements is the classification of tumor types with respect to genes that are either up or down regulated in specific cancer types. A number of algorithms ...
    • Optimization of cable layout designs for large offshore wind farms 

      İlayda, Ülkü; Alabaş Uslu, Çiğdem (John Wiley and Sons Ltd Wiley, 2020)
      Installation of a wind farm exposes several problems such as site selection, placement of wind turbines in the site, and designing of cable infrastructure within the farm. The latter problem, called cable layout design, ...
    • Optimization of Multi-token circulation with master UAV method in multi-UAV systems for location information sharing 

      Ülkü, Eyüp Emre; Ülkü, ilayda (2019)
      In order to perform smooth and coordinated flights in multi-UAV systems, UAVs (Unmanned Aerial Vehicle) need to know each other's location information. Multi-token circulation method allows UAVs to learn each other's ...
    • Optimization of Offshore Windfarm Cable Layouts 

      Ülkü, İlayda; Alabaş Uslu, Çiğdem (2018-06)
      As renewable energy arises to be an alternative energy source around the world, installation of the wind farms increases in the areas where the wind potential is efficient. One of the design problems in the installation ...
    • Os doped YMnO3 multiferroic: A study investigating the electrical properties through tuning the doping level 

      Polat, Özgür; Coşkun, Merve; Durmuş, Zehra; Çağlar, Müjdat; Turut, Abdulmecit (Elsevier Science Sa, Po Box 564, 1001 Lausanne, Switzerland, 2018-07-05)
      Previously, it has been demonstrated the electrical and magnetic properties of YMnO3 (YMO) can be tuned with substitution of different elements into Y and/or Mn sites. In this study, the electrical properties of YMO were ...
    • Parallel computing in Asian option pricing 

      Sak, Halis; Özekici, Süleyman; Boduroğlu, İlkay (ELSEVIER SCIENCE BV, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS, 2007-03)
      We discuss the use of parallel computing in Asian option pricing and evaluate the efficiency of various algorithms. We only focus on "backward-starting fixed strike" Asian options that are continuously averaged. We implement ...
    • Penti Firmasındaki Belirli Bir Kampanyaya Müşterilerin Geri Dönüşlerinin Veri Madenciliği Yöntemleri ile Tahmin Edilmesi 

      Üney-Yüksektepe, Fadime; Çiçekli, Sevra; Mutlu, Merve; Aral, Neslişah (2018-06)
      1950 yılında Türkiye’de kurulan Penti, üretim ve perakende alanındaki faaliyetlerini çorap, ev giyimi ve plaj giyiminde sürdürmeye devam etmektedir. Penti satışlarını arttırmak için farklı kampayalar düzenlemektedir ve bu ...
    • Principals of Spherical Fuzzy Sets 

      Kutlu Gündoğdu, Fatma (2019-07)
      The 3D extensions of ordinary fuzzy sets such as intuitionistic fuzzy sets (IFS). Pythagorean fuzzy sets (PFS). and neutrosophic sets (NS) aim to de­ scribe experts' judgments more informatively and explicitly. Introduction ...
    • Prof. Dr. Oktay Sinanoğlu'nun anısına 

      Tarhan, İbrahim Ethem (2015-04)
    • Pürsu’nun Depo Yeri Seçimi Problemine Analitik Bir Yaklaşım 

      Acar, Fethi Aykan; Bal, Beste Beyza; Sadiç, Mete; Türker, Özge; Aktin, Ayşe Tülin (2018)
      işletmelerin lojistik maliyetleri üzerinde önemli bir etkisi olan depo yeri seçimi, stratejik bir karar olması ve kısa dönemde değiştirilmesinin zorluğundan dolayı, kritik bir öneme sahiptir. Bunun yanı sıra, pazarlama ...
    • Rüzgar Türbinlerinin Yerleşim Problemi için Yeni Bir Matematiksel Model 

      Ülkü, İlayda (2018-06)
      Enerji talebindeki hızlı artışla birlikte, yenilenebilir enerji dünya çapında alternatif bir enerji kaynağı olarak görülmektedir. Rüzgâr enerji santralleri, rüzgâr potansiyelinin en verimli olduğu bölgelere yerleştirilmektedir. ...
    • Selection of BRCA1/2 negative cases using data mining analytical approach for hereditary breast cancer prediction in high risk breast cancer patients 

      Kılıç, Seda; Şükrüoğlu, Özge; Akdeniz Ödemiş, Demet; Avşar, Mukaddes; Tunçer, Şeref Buğra; Aysever, Şimal; Güreli, Suzan; Yüksektepe, Fadime; Aktin, Ayşe Tülin; Yazıcı, Hülya (Amer Assoc Cancer Research, 615 Chestnut St, 17th Floor, Philadelphia, Pa 19106-4404 USA, 2015-08-01)
      Background:The causes of hereditary breast cancer are classified in two groups as modifiable and non-modifiable (genetic) in our study.Some of the non-modifiable factors selected are breast density, menarche age, menopause, ...
    • 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' ...
    • Spherical Fuzzy Sets and Decision Making Applications 

      Kutlu Gündoğdu, Fatma; Kahraman, Cengiz (2019-07)
      The extensions of ordinary Fizzy sets such as intuitionistic Fizzy sets (IFS). Pythagorean frizzy sets (PFS). and neutrosophic sets (NS), whose mem­ bership Emotions are based on three dimensions, aim to describe expert's ...
    • Spherical fuzzy sets and spherical fuzzy TOPSIS method 

      Kutlu Gündoğdu, Fatma; Cengiz, Kahraman (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 ...
    • 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’ ...
    • Synchronized Two-Stage Lot Sizing and Scheduling Problem in Automotive Industry 

      Özdemir, Rifat Gürcan; Yüksektepe, Fadime (Springer-Verlag Berlin, Heidelberger Platz 3, D-14197 Berlin, GermanySpringer-Verlag Berlin, Heidelberger Platz 3, D-14197 Berlin, Germany, 2012)
      This study proposes a mixed-integer linear programming model to solve the synchronized two-stage lot sizing and scheduling problem with setup times and costs. The main motivation behind this study is based on the need of ...
    • T-Copula Generation For Control Variates 

      Hormann, Wolfgang; Sak, Halis (Elsevier Science Bv, Po Box 211, 1000 Ae Amsterdam, Netherlands, 2010-12)
      The standard method for generating multi-t vectors is simple and convenient but it has the disadvantage that the generated multi-normal and multi-t vectors are not similar. For t-copula models this destroys much of the ...
    • 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 ...