Güncel Gönderiler

  • A measurement tool for customer relationship management processes 

    Öztayşi, Başar; Sezgin, Selime; Özok, Ahmet Fahri (Emerald Group Publishing Limited, Howard House, Wagon Lane, Bingley Bd16 1Wa, W Yorkshire, England, 2011)
    Purpose - Customer relationship management (CRM) projects have a low success rate, which can be solved by better measurement of CRM process. The purpose of this paper is to define the CRM processes within a company and ...
  • A simulation model for long-term analysis of the electricity market 

    Or, İlhan; Paşaoğlu Kılanç, Güzay (European Council Modelling & Simulation, School Computing & Mathematics, Nottingham Trent Univ, Burton Street, Nottingham, Ng1 4Bu, England, 2006)
    After the liberalization of the electricity generation industry, capacity expansion decisions are made by multiple self-oriented power companies. Unlike the regulated environment, decision-making of market participants is ...
  • 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)
  • A novel approach to cutting decision trees 

    Üney Yüksektepe, Fadime (Springer, 233 Spring Street, New York, Ny 10013, United States, 2014-09)
    In data mining, binary classification has a wide range of applications. Cutting Decision Tree (CDT) induction is an efficient mathematical programming based method that tries to discretize the data set on hand by using ...
  • The electrical modulus and other dielectric properties by the impedance spectroscopy of LaCrO3 and LaCr0.90Ir0.10O3 perovskites 

    Coşkun, Merve; Polat, Özgür; Coşkun, Fatih Mehmet; Durmuş, Zehra; Çağlar, Müjdat; Turut, Abdulmecit (Royal Soc Chemistry, Thomas Graham House, Science Park, Milton Rd, Cambridge Cb4 0Wf, Cambs, England, 2018)
    We have prepared LaCrO3 (LCO) and 10% Ir doped LCO samples by the solid state reaction method and studied the electrical modulus and the other dielectric properties of the samples by means of the impedance spectroscopy in ...
  • Engineering the band gap of LaCrO3 doping with transition metals (Co, Pd, and Ir) 

    Polat, Özgür; Durmuş, Zehra; Coşkun, Fatih Mehmet; Coşkun, Mustafa; Turut, Abdulmecit (Springer, 233 Spring St, New York, Ny 10013 USA, 2018-03)
    Exceptional properties such as dielectric, ferroelectric, piezoelectric, magnetic, catalytic, and photovoltaic of perovskite materials open new doors to many groundbreaking discoveries for unique device ideas. These materials ...
  • Frequency and temperature dependent electrical and dielectric properties of LaCrO3 and Ir doped LaCrO3 perovskite compounds 

    Polat, Özgür; Coşkun, M.; Coşkun, F. M.; Durmuş, Zehra; Çağlar, Müjdat; Turut, Abdulmecit (Elsevier Science Sa, Po Box 564, 1001 Lausanne, Switzerland, 2018-04-05)
    Perovskite oxide materials, especially perovskite lanthanum chromium oxide, LaCrO3 (LCO) have taken considerable attention among the scientists due to the changing optical, electrical, dielectric and magnetic properties ...
  • 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 ...
  • User Experience Rating Scales with 7, 11, or 101 Points: Does It Matter? 

    Lewis, James R.; Erdinç, Oğuzhan (Users Experience Professional Assoc, 140 N Bloomingdale Rd, Bloomingdale, Il 60108 USA, 2017-02)
    There is a large body of work on the topic of the optimal number of response options to use in multipoint items. The takeaways from the literature are not completely consistent, most likely due to variation in measurement ...
  • Mathematical modelling of sustainable procurement strategies: three case studies 

    Aktin, Ayşe Tülin; Gergin, Zeynep (Journal of Cleaner Production, 2016-02-01)
    Sustainable procurement is the process of meeting the needs of an organisation with the most beneficial monetary value, while mitigating the diverse effects of its operations on society and environment. There are studies ...
  • A Fuzzy Risk Assessment Model for Hospital Information System Implementation 

    Özok, Ahmet Fahri; Yücel, Gülçin; Hoege, B.; Çebi, Selçuk (Pergamon-Elsevier Science Ltd, The Boulevard, Langford Lane, Kidlington, Oxford Ox5 1Gb, England, 2012-01)
    There is research which reveals negative effects of IT applications in the healthcare sector on both patients and staff. Therefore, methods are necessary to predict the risk of new healthcare information technology in order ...
  • Mixed Model Assembly Line Balancing With Sub-Assembly Selection in Automotive Industry 

    Özdemir, Rifat Gürcan; Kula, Ufuk (World Scientific Publ Co Pte Ltd, Po Box 128 Farrer Rd, Singapore 9128, Singapore, 2012)
    In this study, mixed model assembly line balancing and sub-assembly selection problems are solved jointly. The mixed model assembly line balancing problem requires that tasks are assigned to workstations with balanced ...
  • Fuzzy Modelling and Efficiency in Health Care Systems 

    Özok, Ahmet Fahri (Ios Press, Nieuwe Hemweg 6B, 1013 Bg Amsterdam, Netherlands, 2012)
    American Medical Institute reports that each year, because of the medical error, minimum fifty thousand people are dead. For a safety and quality medical system, it is important that information systems are used in health ...
  • 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 ...
  • A Radar-Enabled Collaborative Sensor Network Integrating COTS Technology For Surveillance And Tracking 

    Demirer, Rüştü Murat; Kozma, Robert; Wang, Lan; Iftekharuddin, Khan; McCracken, Ernest; Khan, Muhammad; Islam, Khandakar; Bhurtel, Sushil R. (Mdpi Ag, Postfach, Ch-4005 Basel, Switzerland, 2012-02)
    The feasibility of using Commercial Off-The-Shelf (COTS) sensor nodes is studied in a distributed network, aiming at dynamic surveillance and tracking of ground targets. Data acquisition by low-cost (<$50 US) miniature ...
  • Evaluating Machine Tool Alternatives Through Modified TOPSIS And Alpha-Cut Based Fuzzy ANP 

    Ayağ, Zeki; Özdemir, Rifat Gürcan (Elsevier Science Bv, Po Box 211, 1000 Ae Amsterdam, Netherlands, 2012-12)
    The problem of machine tool selection among available alternatives has been critical issue for most companies in fast-growing markets for a long time. In the presence of many alternatives and selection criteria, the problem ...
  • An Integrated Approach To Evaluating Assembly-Line Design Alternatives With Equipment Selection 

    Özdemir, Rifat Gürcan; Ayağ, Zeki (Taylor & Francis Ltd, 4 Park Square, Milton Park, Abingdon Ox14 4Rn, Oxon, England, 2011)
    The design and implementation of assembly-line systems have been critical issues for companies since the first assembly-line was started at the Ford Highland Plant in 1913. From that time onwards, most companies have met ...
  • 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 ...
  • An Intelligent Approach To Machine Tool Selection Through Fuzzy Analytic Network Process 

    Ayağ, Zeki; Özdemir, Rifat Gürcan (Springer, Van Godewijckstraat 30, 3311 Gz Dordrecht, Netherlands, 2011-04)
    In this study, we utilize analytic network process (ANP), a more general form of AHP, for justifying stand-alone machine tools out of available alternatives in market due to the fact that AHP cannot accommodate the variety ...
  • Multi Objective New Product Development In Bakery Production Under Fuzzy Demand Parameters 

    Özdemir, Rifat Gürcan; Çiçek, Burçin; Özenç, Derya (Ios Press, Nieuwe Hemweg 6B, 1013 Bg Amsterdam, Netherlands, 2010)
    This paper deals with the problem of multi objective new product development and its solution with an intelligent approach. The proposed approach uses fuzzy parameters for economic analysis and combines a multi-criteria ...

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