Search Results - "KÖKSALAN, Murat"

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  1. 1

    Finding the Nondominated Set and Efficient Integer Vectors for a Class of Three-Objective Mixed-Integer Linear Programs by Ceyhan, Gökhan, Köksalan, Murat, Lokman, Banu

    Published in Management science (01-10-2023)
    “…We consider a class of three-objective mixed-integer linear programs (MILPs) where at least one of the objective functions takes only discrete values. These…”
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  2. 2

    Extensions for Benders cuts and new valid inequalities for solving the European day-ahead electricity market clearing problem efficiently by Ceyhan, Gökhan, Köksalan, Murat, Lokman, Banu

    Published in European journal of operational research (16-07-2022)
    “…•There may not exist uniform prices in day-ahead electricity markets.•Market operators aim for partial-equilibrium solutions.•Pricing variables are associated…”
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  3. 3

    A flexible reference point-based multi-objective evolutionary algorithm: An application to the UAV route planning problem by Dasdemir, Erdi, Köksalan, Murat, Tezcaner Öztürk, Diclehan

    Published in Computers & operations research (01-02-2020)
    “…•We develop a preference-based MOEA to converge to reference points.•The decision maker may change reference points throughout the algorithm.•The algorithm…”
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  4. 4

    Finding all nondominated points of multi-objective integer programs by Lokman, Banu, Köksalan, Murat

    Published in Journal of global optimization (01-10-2013)
    “…We develop exact algorithms for multi-objective integer programming (MIP) problems. The algorithms iteratively generate nondominated points and exclude the…”
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  5. 5

    Finding a representative nondominated set for multi-objective mixed integer programs by Ceyhan, Gökhan, Köksalan, Murat, Lokman, Banu

    Published in European journal of operational research (01-01-2019)
    “…•Representative sets are found for multi-objective mixed integer programs.•A desired level of quality is guaranteed in representing the nondominated…”
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  6. 6

    Representing the nondominated set in multi-objective mixed-integer programs by Doğan, Ilgın, Lokman, Banu, Köksalan, Murat

    Published in European journal of operational research (01-02-2022)
    “…•An exact algorithm is developed for multi-objective mixed integer programs.•Small representative sets guaranteeing a prespecified precision are…”
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  7. 7

    UAV routing for reconnaissance mission: A multi-objective orienteering problem with time-dependent prizes and multiple connections by Dasdemir, Erdi, Batta, Rajan, Köksalan, Murat, Tezcaner Öztürk, Diclehan

    Published in Computers & operations research (01-09-2022)
    “…We address the route planning problem of an unmanned air vehicle (UAV) tasked with collecting information from a radar-monitored environment for a…”
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  8. 8

    Biobjective route planning of an unmanned air vehicle in continuous space by Tezcaner Öztürk, Diclehan, Köksalan, Murat

    “…•Finds all efficient routes of an UAV considering distance and threat objectives.•The UAV can move to any point in the continuous space.•Characterizes…”
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  9. 9

    Estimating the form of a decision maker’s preference function and converging towards preferred solutions by Karakaya, Gülşah, Köksalan, Murat

    Published in IIE transactions (02-06-2020)
    “…Preference functions have been widely used to scalarize multiple objectives. Various forms such as linear, quasiconcave, or general monotone have been assumed…”
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  10. 10

    An Exact Algorithm for Finding Extreme Supported Nondominated Points of Multiobjective Mixed Integer Programs by Ozpeynirci, Ozgur, Koksalan, Murat

    Published in Management science (01-12-2010)
    “…In this paper, we present an exact algorithm to find all extreme supported nondominated points of multiobjective mixed integer programs. The algorithm uses a…”
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  11. 11

    Distribution based representative sets for multi-objective integer programs by Özarık, Sami Serkan, Lokman, Banu, Köksalan, Murat

    Published in European journal of operational research (16-07-2020)
    “…•A density measure is introduced to study the characteristics of nondominated sets.•Distribution based representations are found for Multi-Objective Integer…”
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  12. 12

    An interactive approach to stochastic programming-based portfolio optimization by Koksalan, Murat, Sakar, Ceren Tuncer

    Published in Annals of operations research (01-10-2016)
    “…We consider expected return, Conditional Value at Risk, and liquidity criteria in a multi-period portfolio optimization setting modeled by stochastic…”
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  13. 13

    Biobjective UAV routing for a mission to visit multiple mobile targets by Karabay, Nail, Köksalan, Murat, Tezcaner Öztürk, Diclehan

    Published in OR Spectrum (01-09-2023)
    “…We address the route planning problem of an unmanned air vehicle (UAV) that operates in a two-dimensional hostile terrain monitored with radars. In this…”
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  14. 14

    Finding nadir points in multi-objective integer programs by Köksalan, Murat, Lokman, Banu

    Published in Journal of global optimization (01-05-2015)
    “…We address the problem of finding the nadir point in a multi-objective integer programming problem. Finding the nadir point is not straightforward, especially…”
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  15. 15

    An interactive approach to multicriteria sorting for quasiconcave value functions by Ulu, Canan, Köksalan, Murat

    Published in Naval research logistics (01-09-2014)
    “…In this article, we develop an interactive algorithm to place alternatives in ordered preference classes for a decision maker (DM) with an increasing…”
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  16. 16

    An interactive approximation algorithm for multi-objective integer programs by Lokman, Banu, Köksalan, Murat, Korhonen, Pekka J., Wallenius, Jyrki

    Published in Computers & operations research (01-08-2018)
    “…•An interactive algorithm for multi-objective integer programs is developed.•The algorithm finds the most preferred point at a desired level of accuracy.•The…”
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  17. 17

    A multi-objective multi-period stochastic programming model for public debt management by Balibek, Emre, Köksalan, Murat

    Published in European journal of operational research (16-08-2010)
    “…While raising debt on behalf of the government, public debt managers need to consider several possibly conflicting objectives and have to find an appropriate…”
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  18. 18

    Interactive approaches for biobjective problems with progressively changing solution sets by Karakaya, Gülşah, Köksalan, Murat

    “…In this study, we develop interactive approaches to find a satisfactory alternative of a decision maker (DM) having a quasiconvex preference function where the…”
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  19. 19

    An interactive algorithm to find the most preferred solution of multi-objective integer programs by Lokman, Banu, Köksalan, Murat, Korhonen, Pekka J., Wallenius, Jyrki

    Published in Annals of operations research (01-10-2016)
    “…In this paper, we develop an interactive algorithm that finds the most preferred solution of a decision maker (DM) for multi-objective integer programming…”
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  20. 20

    An evolutionary approach to generalized biobjective traveling salesperson problem by Köksalan, Murat, Tezcaner Öztürk, Diclehan

    Published in Computers & operations research (01-03-2017)
    “…We consider the generalized biobjective traveling salesperson problem, where there are a number of nodes to be visited and each node pair is connected by a set…”
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