Browsing by Author "Altınel, İ. Kuban."

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  • An agent-based model of opinion formation in social networks 
    Akçakır, Gülşah. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2021., 2021.)
    In this thesis, opinion dynamics within social networks are examined by means of an agent-based simulation model. The Social Judgement Theory based model is run on random, scale-free and small-world networks, which are ...
  • Approximating the objective gradient using perceptrons for constrained minimization with application in drag reduction 
    Kocuk, Burak. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2012., 2012.)
    This thesis is concerned with the constrained minimization problems whose objective function does not have a closed form analytical expression. However, it can be evaluated numerically which enables the determination of ...
  • Aremos: |an object oriented visual intaractive linear programming modeler for production planning in a petroleum refinery 
    Birgören, Burak. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 1994., 1994.)
    A prototype graphical modeling system, AREMOS (A Refinery Modeling System), has been developed for modeling the production in a petroleum refinery as a linear program within the scope of this study. AREMOS is an object ...
  • Branch - and - price algorithms for the maximum weight perfect matching problem with conflict constraints 
    Çınar, Alim Buğra. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2021., 2021.)
    In this thesis, we consider the Maximum Weight Perfect Matching Problem with Conflict Constraints (MWPMC), which is a generalization of the well-known the Maxi mum Weight Perfect Matching Problem (MWPMP). Although MWPMC ...
  • Capacitated facility location problem with customer and facility differentiation 
    Çavuş, Özlem. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    This thesis focuses on an extension of the capacitated facility location problem. Every demand point consists of multiple customer classes whose demands are satisfied by facilities having different capacities and costs for ...
  • 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 ...
  • 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 ...
  • Event and clock based representations of time in mathematical optimization 
    Sürer, Özge. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2014., 2014.)
    Time representation is one of the most important issues in mathematical optimization in terms of computational time and e ciency. The discrete time formulation requires large number of binary variables which a ects the ...
  • Exact solution methods for the assignment problem with conflict constraints 
    Arslan, Elif. (Thesis (M.S.) - Bogazici University. Institute for Graduate Studies in Science and Engineering, 2022., 2022)
    The Assignment Problem with Conflict Constraints (APC) deals with finding a maximum weight assignment in the presence of incompatibilities. The incompatibilities are constituted by the conflicting edge pairs such that both ...
  • Heuristics for the probabilistic capacitated multi-facility weber problem 
    Durmaz, Engin. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    In this study, we consider the probabilistic capacitated multi-facilityWeber problem with general distance functions and probability density functions where customer locations are assumed to be random variables. The aim ...
  • Lagrangean heuristic fio the capacitated multi-facility location allocation problem 
    Avcı, Buket. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    In this study, we consider the capacitated multi-facility location-allocation problem, also called multi-facility Weber problem. It is concerned with the determination of the location of m new facilities having known ...
  • 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 ...
  • Location-allocation problems with multi-commodity flows: exact and approximate solution methods 
    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 ...
  • Mission based component plans 
    Keskin, M. Emre. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2007., 2007.)
    One of the widely used methods of system reliability test plans is based on the idea of computing the component test plans that ensure prespecified reliability levels for those components. Another widely used approach ...
  • 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 ...
  • 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 ...
  • 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 ...
  • 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 placement, scheduling and routing to maximize lifetime in wireless sensor networks under connectivity restrictions 
    Kabakulak, Banu. (Thesis (M.S.)-Bogazici University. Institute for Graduate Studies in Science and Engineering, 2010., 2010.)
    A wireless sensor network consists of distributed autonomous electronic devices called sensors. They are capable of sensing the changes in their vicinity, process the information as data packets and transmit the data to ...

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