Browsing Ph.D. Theses by Title

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  • Multi-objective approaches for multi-target learning 
    Adıyeke, Esra. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2020., 2020.)
    Multi-target datasets (MTD) require simultaneous prediction of several variables hence they are considered to be more challenging in terms of predictive tasks compared to single-target datasets. Mining of MTD requires ...
  • Multiobjective linear programming and multiobjective zero-one programming 
    Kızıltan, Gülseren. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1981., 1981.)
  • Network flows with conflict constraints 
    Şuvak, Zeynep. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    It is a commonly used approach to model real life problems as network flow prob lems and they appear in a wide range of areas including telecommunication, wireless networks, transportation, healthcare and scheduling. Our ...
  • Network optimization models with fairness concern for disaster relief operations 
    Erbeyoğlu, Gökalp. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)
    Humanitarian logistics activities, which aim to alleviate the suffering of the population after a sudden and calamitous event, confront us with a large number of interrelated and challenging network optimization problems. ...
  • New neurocomputational approaches for estimating road travel distances and for solving the euclidean traveling salesman problem 
    Aras, Necati. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1999., 1999.)
    Neural networks are among the most rapidly developing new scientific tools. There are numerous publications reporting their success in estimation and optimization. This work concentrates on both of these aspects and applies ...
  • Numeric methods for stochastic disease spread models 
    Yıldız, Zeynep Gökçe. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2020., 2020.)
    Disease spread models are important in controlling the new infectious diseases that suddenly threaten the public health. Mathematical tools are especially impor tant to understand the spread of the disease since experiments ...
  • On unidirectional cyclic layouts, Hamiltonian circuits, capacitated vehicle routes and minimal spanning trees 
    Öncan, Temel. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2004., 2004.)
    This thesis consists of four major parts. The first part is on the Unidirectional Cyclic Layout Problem (UCLP). First, new efficient heuristics for the UCLP are proposed based on the ideas originally proposed for two ...
  • Online due date assignment in dynamic and stochastic scheduling environments with family setups under tardiness and quoted lead time considerations 
    Düzgit, Zehra. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2015., 2015.)
    In this study, due date assignment problem is addressed in a single machine dynamic and stochastic environment with family setups. A due date is to be assigned for each new job immediately at the time of its arrival. While ...
  • Optimal control of generalized storage models 
    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 ...
  • Optimal placement, scheduling and routing to maximize lifetime in wireless sensor networks 
    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 ...
  • Optimal server placement, service deployment, and resource allocation in next-generation computer network 
    Ahat, Betül. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2022., 2022)
    With the expansion of mobile devices and new trends in mobile communication technologies, there is an increasing demand for diversified services. To accommodate a large number of services on a common network, it becomes ...
  • Optimally locating facilities with variable characteristics 
    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 ...
  • Option pricing by simulation 
    Dingeç, Kemal Dinçer. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2013., 2013.)
    The valuation of path dependent and multivariate options require efficient numerical methods, as their prices are not available in closed form. Monte Carlo simulation is one of the widely used techniques. Although simulation ...
  • Preventive and corrective maintenance scheduling for vehicles at a single dead-end track under service level agreement 
    Elhüseyni, Murat. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2018., 2018.)
    We introduce the problem of vehicle maintenance scheduling under service level agreement (SLA) and preventive maintenance cycles at a single dead-end track. We show that the problem is NP-Hard. We build MILP model to solve ...
  • Quantitative models for decision making in reverse logistics network design 
    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 ...
  • Resource portfolio problem under resource dedication policies in multi-project environments 
    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 ...
  • Risk analysis and modeling of the maritime traffic in the strait of Istanbul 
    Özlem, Şirin. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2018., 2018.)
    The Istanbul Strait connecting Marmara and Black Sea is one of the narrowest waterways in the world with daily crowded local and transit vessel traffic. Other features such as currents, wind, fog and sharp turns in that ...
  • Risk analysis study of maritime traffic in the strait of Istanbul 
    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 ...
  • Simulation games, complexity and learning 
    Özgün, Onur. (Thesis (Ph.D.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    The main purpose of this research is to assess how systemic complexity a ects performance and learning in interactive simulation games. We design experiments involving two types of games: a growth management game, and a ...
  • Simultaneous scheduling of machines and the material handling system in a flexible manufacturing system 
    Bilge, Ümit. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1991., 1991.)
    The scheduling of material handling system is a crital issue in a Flexible Manufacturing System (FMS), although it has little importance in a job shop. The purpose of this dissertation is to exploit the interactions between ...

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