Browsing Ph.D. Theses by Title

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  • A decomposition approach to solve the selective graph coloring problem 
    Şeker, Oylum. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2018., 2018.)
    Graph coloring is the problem of assigning a minimum number of colors to all vertices of a graph such that no two vertices that are linked by an edge receive the same color. The selective graph coloring problem is a ...
  • A formal model and a mathematical programming based analysis framework for tactical - level planning of home care systems 
    Güçlü, İlker. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    Home care is a viable alternative to delivering health care services, especially for the elderly. Due to various operational characteristics, home care organizations are significantly different from the traditional ...
  • A methodology for developing an optimal and ergonomic keyboard layout for touch typists and its application to Turkish language 
    İşeri, Ali. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    In this study, a new and novel method of developing both ergonomic and efficient keyboard layouts is introduced based on the touch typing principles. A multi objective mathematical model with two objectives is defined. One ...
  • A new uniform order-based crossover operator for genetic algorithm applications to multi-component combinatorial optimization problems 
    Sivrikaya-Şerifoğlu, Funda. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1997., 1997.)
    In this thesis, a new uniform order-based crossover operator to be used in genetic algorithm applications to combinatorial optimization problems is presented. There are three pure types of combinatorial problems: assignment, ...
  • A simulation model for the long-term analysis of decentralized electricity markets 
    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 ...
  • Analysis of agent-based simulation models through metamodeling 
    Edalı, Mert. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    In this thesis, we propose a three-stage analysis procedure to interpret input output relationships of agent-based simulation models. In the first stage, we use meta models of agent-based models to approximate the input-output ...
  • Analysis of the impact of decision time on the system performance in distributed systems 
    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 ...
  • Campaign planning under sequence dependent family setups and co-production in process industry 
    Kalay, Serkan. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2020., 2020.)
    We investigate tactical level production planning problem in process industries, with float glass manufacturing being the specific application domain. Process industries are cost intensive, and as a result, efficient usage ...
  • Capacity modeling in aggregate production planning: multi-dimensional clearing functions and iterative linear programming-simulation approaches 
    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) ...
  • Classifier combination methods in pattern recognition 
    Baykut, Alper. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2002., 2002.)
    This thesis studies methodologies to combine multiple classifiers to improve classification accuracy. Different classifiers, training methods and combination algorithms are covered throughout this study. The classifiers ...
  • Collection system design problem with routing under a pıck - up policy 
    Tekin, Mehmet Tuğrul. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2018., 2018.)
    This thesis is concerned with collection system design for used products obtained from dealers and is an extension of the works by Aras et al. (2008) and Aras and Aksen (2008). The design decisions involve the locations ...
  • Competitive inventory models under demand substitution 
    Fas, Genco. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    This work deals with the equilibrium strategies for substitutable product inventory control systems between two retailers in a nite horizon, two and single period cases. We investigate how a dynamic game framework can be ...
  • Competitive learning with additional information for solving multi-facility weber problem 
    Özkısacık, Kerem Can. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    It is possible to remark that the mathematical formulation of clustering analysis problem is similar to a certain class of location problems. Known as the multi{facility Weber problem, it is a non{convex continuous ...
  • Controlled sink mobility and wireless sensor network lifetime maximization 
    Keskin, M. Emre. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    The design of a Wireless sensor network (WSN) involves the optimal deployment and activity scheduling of the sensors as well as optimal deployment or routing of sinks and optimal routing of data flows. In this thesis, we ...
  • Cournot equilibrium with free entry for capitalistic and workers' enterprises 
    Pinhas, David. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1985., 1985.)
    The purpose of this dissertation is to determine the Cournot Equilibrium with Free Entry for Capitalistic and Workers' Enterprises. An alternative Cournot-like free entry notion to Novshek's CEFE which we call Cournot-Sertel ...
  • Coverage, sink location and routing problems in wireless sensor networks 
    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 ...
  • Data-driven local search heuristics for bilevel network design problems 
    Sevim, İsmail. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2022., 2022)
    In the Network Design Problem (NDP), one aims to design the configuration of a network by installing links between a set of given nodes and determine the flow of a set of commodities over these installed links. In this ...
  • Decentralized decomposition methods for block angular linear and integer progamming problems 
    Aydın, M. Aslı. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2016., 2016.)
    In this thesis, we propose Decentralized Benders decomposition and Decentralized Dantzig-Wolfe decomposition for block angular linear programs and Decentralized LShaped Method for block angular integer programs. We exploit ...
  • Design and analysis of communication systems with high error correction capability through optimization 
    Kabakulak, Banu. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2018., 2018.)
    Channel coding is the term used for the collection of techniques that are employed in order to minimize errors which occur during the transmission of digital information from one place to another. Low–density parity–check ...
  • Design and development of a large scale energy model 
    Karali, Nihan. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    Interest on the sustainability of energy systems has recently increased with the emerging need to mitigate global warming in a global environment experiencing continuous increases in energy demand. Global warming is mainly ...

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