• 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 ...
• Distance-based learning approaches for multiple instance learning 

  Sivrikaya, Özgür Emre. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2022., 2022)

  Multiple Instance Learning (MIL) is a weakly supervised approach that focuses on the labeling of a set of instances (i.e. bags) where the label information of in dividual instances is generally unknown. Many of the earlier ...
• 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 ...
• Implicit algebraic curves and surfaces for shape modeling and recognition 

  Çivi, Hakan. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Sciences and Engineering, 1997., 1997.)

  Implicit algebraic 2D curves and 3D surfaces are among the most powerful shape representations. With this approach, objects in 2D images are described by their silhouettes (em surfaces in 3D) and then represented by 2D ...
• 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 ...
• 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, ...
• 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 ...
• Leader-follower games for influence spread in social networks 

  Tanınmış, Kübra. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2020., 2020.)

  Influence Maximization Problem involves nding a set of individuals in a social network to trigger an in uence/information spread, i.e., a seed set, such that the maximum possible number of individuals are in uenced. In ...
• 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 ...
• 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 ...
• The determination of treatment plans for volumetric modulated ARC therapy 

  Dursun, Pınar. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2019., 2019.)

  Volumetric modulated arc therapy is the state-of-the-art technique for external radiation therapy treatment, where radiation can be delivered continuously during the rotation of the linear accelerator’s gantry. This property ...
• Evolutionary approaches to many-objective combinatorial optimization problems 

  Şahinkoç, Hayrullah Mert. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2020., 2020.)

  Many-objective evolutionary approaches try to characterize and overcome the challenges posed by the large number of objectives and have been shown to be very e ective for achieving good Pareto approximations. Despite the ...
• 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. ...
• 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 ...
• 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 ...
• Mathematical programming and statistical learning approaches for multiple instance learning 

  Lök, Emel Şeyma. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2018., 2018.)

  Many real-world applications of classification require flexibility in representing complex objects to preserve the relevant information for class separation. Multiple instance learning (MIL) aims to solve classification problem ...
• 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 ...
• 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 ...
• 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 ...
• Local constraint based analysis in resource constrained scheduling 

  Özdamar, Linet. (Thesis (Ph.D.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1991., 1991.)

  Resource constrained scheduling problems are generally solved by optimization techniques which cannot accomodate large size problems with respect to computation time. Yet, fast and near optimal schedules are required in ...

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