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Integrated airline schedule design and fleet assignment: polyhedral analysis and benders’ decomposition approach
(Informs, 2010-01)
The main airline operations consist of schedule planning, fleet assignment, aircraft routing, and crew scheduling. To improve profitability, we present in this paper an integrated fleet assignment model with schedule ...
A novel and successful credit card fraud detection system Implemented in a Turkish Bank
(IEEE, 2013)
We developed a credit card fraud detection solution for a major bank in Turkey. The study was completed in about three years and the developed system has been in use since February 2013. It had a great impact in the rule ...
Integrated experimental design and nonlinear optimization to handle computationally expensive models under resource constraints
(Springer Science+Business Media, 2013-09)
In many real-world applications of optimization, the underlying descriptive system model is defined by computationally expensive functions: simulation modules, numerical models and other “black box” model components are ...
Disaster preparedness using risk-assessment methods from earthquake engineering
(Elsevier, 2018-09-01)
Analyzing the uncertainties associated with disaster occurrences is critical to make effective disaster preparedness plans. In this study, we focus on pre-positioning emergency supplies for earthquake preparedness. We ...
Metaheuristics for the traveling salesman problem with pickups, deliveries and handling costs
(Elsevier, 2012-05)
This paper studies the Traveling Salesman Problem with Pickups, Deliveries, and Handling Costs. The subproblem of minimizing the handling cost for a fixed route is analyzed in detail. It is solved by means of an exact ...
Two classes of quadratic assignment problems that are solvable as linear assignment problems
(Elsevier, 2011-08)
The Quadratic Assignment Problem is one of the hardest combinatorial optimization problems known. We present two new classes of instances of the Quadratic Assignment Problem that can be reduced to the Linear Assignment ...
Robust scheduling and robustness measures for the discrete time/cost trade-off problem
(Elsevier, 2010-12-01)
Projects are often subject to various sources of uncertainties that have a negative impact on activity durations and costs. Therefore, it is crucial to develop effective approaches to generate robust project schedules that ...
A benders decomposition approach for an integrated airline schedule design and fleet assignment problem with flight retiming, schedule balance, and demand recapture
(Springer Science+Business Media, 2013-11)
The airline’s ability to offer flight schedules that provide service to passengers at desired times in competitive markets, while matching demand with an aircraft fleet of suitable size and composition, can significantly ...
Development of lower bounds for the scheduling of setup tasks in serial production lines
(Inderscience Publishers, 2013)
Efficient production resettings are necessary to achieve production flexibility. For this reason, it is of primary importance to reduce the setup time required to switch the production from one product type to another, and ...
Mitigating the impact of drug shortages for a healthcare facility: An inventory management approach
(Elsevier, 2016-05-16)
Despite the importance and value of the pharmaceutical market, a significant portion of procurement spending including pharmaceuticals are lost. Coupling poor and reactive management practices with the inevitable national ...
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