Browsing M.S. Theses by Issue Date

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  • An integrated lean energy framework 
    Yıldız, Kadir. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    Energy expenses are one of the major cost items in a manufacturing facility. Furthermore, in order to satisfy the continuously increasing demand of energy, decision makers focus on the supply-side in general rather than ...
  • A column generation approach for evaluating delivery efficiencies of collimator technologies in IMRT treatment planning 
    Gören, Merve. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    Intensity Modulated Radiation Therapy (IMRT) is a form of cancer treatment which delivers radiation beams to the patient from several directions by using a linear accelerator and a collimator. At the leaf sequencing ...
  • The impact of sequencing policies on the mean flow time of single server queues 
    Tanınmış, Kübra. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    In systems with nite resources, scheduling may take signi cant time and this may a ect the performance of the system. In this study, we are interested in the time value of optimizing a schedule. To this end, we consider ...
  • A stochastic programming appoach for optimizing cryoprecipitate collection schedules 
    Başçiftci, Beste. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    In this thesis, we investigate the problem of generating weekly collection schedules for cryoprecipitate, a vital blood product as the main source of brinogen. As cryoprecipitate requires special equipment for collection, ...
  • Tactical competition of two airlines in fleet assignment 
    Yaba, Ceyda. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    We analyze two airlines competing in the same market at a tactical level using an itinerary-based eet assignment model. The market demand is contingent on the fares chosen by the airlines. The airlines solve their own ...
  • Effect of bucket size on lead time discretization error in multi-level production planning systems 
    Emir, Engin. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    Production planning systems are models that hold and analyze planning and controlling of physical transformation and transferral processes in production systems. These systems consist of various planning models such as ...
  • Impact of income inequality on incone segregation 
    Yavaş, Mustafa. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    In this study, an agent-based model is built to investigate how income inequality affects income segregation and its characteristics. The model is capable of demonstrating the expected positive relationship between income ...
  • The analysis of characteristic dynamics of stock management structures 
    Mehmet, Sema. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    Stock management is a dynamic task which is often found in managerial, physical, and biological systems. The aim in stock management is to bring a stock at a desired level and maintain it at that level by taking corrective ...
  • An application of demand forecasting and fare management for an airline company 
    Özbay, Fırat. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    In this thesis, we aim to propose a model for estimating demand and obtaining ticket fare that maximizes revenue, based on real market data. In this context, eight different single leg local market routes are examined, and ...
  • Integer programming formulations and benders decomposition for maximum induced matching problem 
    Ahat, Betül. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    In this thesis, we investigate Maximum Induced Matching problem (MIM), nding an induced matching having the largest cardinality. The problem is NP-hard for general graphs. We develop a binary integer programming formulation ...
  • Edge - extremal graphs under degree and matching number restrictions 
    Dibek, Cemil. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    A graph with an upper bound on its matching number but without a bound on its maximum degree, or a graph with an upper bound on its maximum degree but without a bound on its matching number would have in nitely many edges. ...
  • Ergonomic investigation of a load carrying task during stair climbing 
    Kılınç, Ali. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    Load carrying is one of the most frequent manual material handling task we encounter in daily life. The loads are carried either manually or by use of a material handling device. Manual carrying is performed by hands, ...
  • Effect of a price driven secondary market on a system with random demand and uncertain costs 
    Gürel, yücel. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    In this thesis, we consider the problem of purchasing a commodity with a uctuating market price so as to maximize its pro t from selling it over two selling season. Over the primary season, the market price evolution is ...
  • Mathematical programming approaches for a generation expansion planning problem in a carbon-constrained environment 
    Terzi, Fulya. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    In this thesis, we study a Generation Expansion Planning (GEP) problem in a carbon-constrained environment from the perspective of a private electricity generating company. The company plans to enter the partially regulated ...
  • A single period competitive model of pricing and inventory under reference price effect 
    Kılıç, Selmin Eda. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    This research studies a single period combined inventory and pricing system. It is assumed that the demand which has a random additive term, is contingent on the firm’s own selling price, the rival firm’s selling price in ...
  • A two-stage joint inventory and pricing game with capacity commitment 
    Bayramoğlu, Sezin. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    In this thesis a two-stage capacity, inventory, and pricing game is studied. Two competing vendors make a capacity commitment to invest in the rst stage. This capacity limits how much they can produce in order to meet ...
  • Risk quantification for foreign currency investments 
    Oktay, İrem. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    As the economies are globalized, more rms, investors and workers nd their fortunes linked to the exchange rates. Therefore, management of exchange rate risk becomes more signi cant. As the measured risk can be managed ...
  • A data adaptive categorical time series representation for supervised learning 
    Çakın, Hande. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    A vast majority of the studies in machine learning focus on time-directed or in other words sequential processes. Objectives of these studies vary from classi cation to prediction and clustering to segmentation. Since the ...
  • Dynamics of municipal solid waste and landfill areas of Istanbul 
    İlbahar, Esra. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    Waste management is a critical issue, and municipal solid waste constitutes a considerably important part of the waste that should be properly handled. With rapidly increasing population, urbanization and industrialization ...
  • Influence maximization based on partial network structure information : A comparative analysis on seed selection heuristics 
    Erkol, Şirag. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    In this study, the problem of seed selection is investigated. This problem is mainly treated as an optimization problem, which is proved to be NP-hard. There are several heuristic approaches in the literature which mostly ...

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