Ph.D. Theses: Recent submissions

  • Beşikci, Umut. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    Resource related decisions are one of the important aspects of multi-project environments, since the resource based considerations define the environment as a multi-project problem by coupling projects with corresponding ...
  • Çınar, Esra. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    One of the most important challenges the inventory managers face is the uncertainty on both sides of the demand and supply. Exchange of information on both demand and capacity processes can decrease the uncertainty and it ...
  • Döyen, Alper. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    In this thesis we are interested in two distinct problems within the disaster management context. These problems are modeled by two-stage stochastic integer programming since stochasticity is inherent in natural disasters. ...
  • Akyüz, Mehmet Hakan. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    A multi-commodity and capacitated extension of the Multi-facility Location-Allocation Problem, namely the Multi-commodity Capacitated Multi-facilityWeber Problem (MCMWP) is considered, and exact and approximate solution ...
  • Albey, Erinç. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    In this dissertation, the capacity representation in aggregate production planning models (APPM) is investigated by focusing on two main capacity modeling philosophies in the literature, namely the clearing functions (CF) ...
  • Özgün, Kamer. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    In this study, we investigate the e ect of the time it takes to generate a schedule on the performance of a stochastic dynamic scheduling system. To isolate the impact of the decision time on the system performance, we ...
  • Güler, Mehmet Güray. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    We consider joint inventory and pricing problem of a single product with stochastic demand in two different contexts. In the first one, we study a periodic review problem where the demand of the product is subject to ...
  • Sarıca, Kemal. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    In this study, it is aimed to investigate electricity market restructuring and deregulation and understand the implications of a competitive power market based on hourly biddings. An alternating current (AC) transmission ...
  • Küçükaydın, Hande. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2011., 2011.)
    Facility location problems aim at optimally locating facilities like plants, warehouses, convenience stores, shopping malls etc. They can have di erent objectives such as maximizing the pro t gained from the customers or ...
  • Türkoğulları, Yavuz Boğaç. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    A wireless sensor network consists of distributed autonomous tiny electronic devices called sensors. They have limited energy and capability for sensing, data processing and communication, but they can collectively behave ...
  • Özbaş, Birnur. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    The Strait of Istanbul, the narrow waterway separating Europe from Asia, holds a strategic importance in maritime transportation as it links the Black Sea to the Mediterranean. It is considered as one of the world’s most ...
  • Tombuş, Ayşe Cilacı. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    In this thesis, we focus on a problem in reverse logistics network design where the aim is locating distribution centers, inspection centers and remanufacturing facilities, determining the acquisition price as well as the ...
  • Tombuş, Önder. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    We consider an assemble-to-order system to meet all of the stationary stochastic demand of a finished product in a periodic review setting. The finished product is assembled using two subassemblies (components). The demand ...
  • Doğu, Gülay. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1985., 1985.)
    The purpose of this dissertation is to study to optimal control problem of the generalized storage processes over an infinite planning horizon. The generalization.of the controlled storage process allows for both positive ...
  • Güney, Evren. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2009., 2009.)
    Recent advances in electronics and telecommunications have enabled the development of low-cost, low-power multifunctional sensor devices that are powered by batteries and communicating through wireless channels over small ...
  • Ünlüakın, Demet Özgür. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    This thesis studies the maintenance of a dynamic system consisting of several components which age in time at a given failure rate. The states of the components are hidden. In each decision epoch, the decision of whether ...
  • Türker, Ali Yasin. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    There are more than 260 straits in the world. But none of them even remotely resembles the Turkish Straits in terms of the geography and other factors as they are considered as one of the most strategic waterways of the ...
  • Sak, Halis. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    Measuring the risk of a credit portfolio is a challenge for financial institutions because of the regulations brought by the Basel Committee. In recent years lots of models and state-of-the-art methods, which utilize Monte ...
  • Kurşun, Mahmut. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2008., 2008.)
    In this study we have introduced a mathematical foundation and a framework for the modeling and analysis of agent based distributed scheduling systems. We defined the basic structure of an object oriented agent based system, ...
  • Paşaoğlu, Güzay. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2006., 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 ...

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