Browsing Department of Industrial Engineering by Title
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Comparison of the formulations for a hubandspoke network design problem under congestion
(Elsevier, 2016)In this paper, we study the hub location problem with a powerlaw congestion cost and propose an exact solution approach. We formulate this problem in a conic quadratic form and use a strengthening method which rests on ... 
Competitive markdown timing for perishable and substitutable products☆
(Elsevier, 201610)We model as a duopoly two firms selling their fixed stocks of two substitutable items over a selling season. Each firm starts with an initial price, and has the option to decrease the price once. The problem for each firm ... 
Composite regions of feasibility for certain classes of distance constrained network location problems
(INFORMS, 1996)Distance constrained network location involves locating m new facilities on a transport network G so as to satisfy upper bounds on distances between pairs of new facilities and pairs of new and existing facilities. The ... 
Compound poisson disorder problems with nonlinear detection delay penalty cost functions
(2010)The quickest detection of the unknown and unobservable disorder time, when the arrival rate and mark distribution of a compound Poisson process suddenly changes, is formulated in a Bayesian setting, where the detection ... 
A comprehensive methodology for determining the most informative mammographic features
(2013)This study aims to determine the most informative mammographic features for breast cancer diagnosis using mutual information (MI) analysis. Our Health Insurance Portability and Accountability Actapproved database consists ... 
Compromising system and user interests in shelter location and evacuation planning
(Elsevier Ltd, 2015)Traffic management during an evacuation and the decision of where to locate the shelters are of critical importance to the performance of an evacuation plan. From the evacuation management authority's point of view, the ... 
Computational methods for riskaverse undiscounted transient markov models
(Institute for Operations Research and the Management Sciences (I N F O R M S), 2014)The total cost problem for discretetime controlled transient Markov models is considered. The objective functional is a Markov dynamic risk measure of the total cost. Two solution methods, value and policy iteration, are ... 
Computationally efficient optimization of stock pooling and allocation levels for twodemandclasses under general lead time distributions
(Taylor and Francis Ltd., 2016)In this article we develop a procedure for estimating service levels (fill rates) and for optimizing stock and threshold levels in a twodemandclass model managed based on a lotforlot replenishment policy and a static ... 
Computing minimumvolume enclosing axisaligned ellipsoids
(Springer, 2008)Given a set of points S = {x1 ,..., xm}⊂ ℝn and ε>0, we propose and analyze an algorithm for the problem of computing a (1+ε)approximation to the minimumvolume axisaligned ellipsoid enclosing S. We establish that our ... 
Concentrator location in telecommunications
(Springer, 2004)We survey the main results in the author's PhD Thesis presented in December 2002 at the Université Libre de Bruxelles and supervised by Prof. Martine Labbé. The dissertation is written in English and is available at ... 
Concurrent consideration of product design, process planning and production planning activities
(1998)In manufacturing engineering, product design, process planning and production planning activities are often considered independently. However, in order to effectively respond to changes in business situations, such as ... 
A Conic Integer Programming Approach to Constrained Assortment Optimization under the Mixed Multinomial Logit Model
(Institute for Operations Research and the Management Sciences (INFORMS), 20170812)We consider the constrained assortment optimization problem under the mixed multinomial logit model. Even moderately sized instances of this problem are challenging to solve directly using standard mixedinteger linear ... 
Considering manufacturing cost and scheduling performance on a CNC turning machine
(Elsevier, 2007)A well known industry application that allows controllable processing times is the manufacturing operations on CNC machines. For each turning operation as an example, there is a nonlinear relationship between the manufacturing ... 
Constrained nonlinear programming for volatility estimation with GARCH models
(2003)This paper proposes a constrained nonlinear programming view of generalized autoregressive conditional heteroskedasticity (GARCH) volatility estimation models in financial econometrics. These models are usually presented ... 
Constrained optimal hybrid control of a flow shop system
(Institute of Electrical and Electronics Engineers, 2007)We consider an optimal control problem for the hybrid model of a deterministic flow shop system, in which the jobs are processed in the order they arrive at the system. The problem is decomposed into a higherlevel ... 
Continuation method for nonlinear complementarity problems via normal maps
(Elsevier, 1999)In a recent paper by Chen and Mangasarian (C. Chen, O.L. Mangasarian, A class of smoothing functions for nonlinear and mixed complementarity problems, Computational Optimization and Applications 2 (1996), 97±138) a class ... 
Continuous knapsack sets with divisible capacities
(Springer, 2016)We study two continuous knapsack sets (Formula presented.) and (Formula presented.) with (Formula presented.) integer, one unbounded continuous and (Formula presented.) bounded continuous variables in either (Formula ... 
A continuous review replenishmentdisposal policy for an inventory system with autonomous supply and fixed disposal costs
(Elsevier, 2008)In this study, we analyze an inventory system facing stochastic external demands and an autonomous supply (independent return flow) in the presence of fixed disposal costs and positive lead times under a continuous review ... 
Contracting under uncertain capacity
(Inderscience publishers, 2010)In this paper, we develop a twostage supplychain in which a supplier with uncertain capacity sells to a retailer facing a Newsvendor problem. We analyze the centralized system where both partners take their decisions ... 
Contractual agreements for coordination and vendormanaged delivery under explicit transportation considerations
(John Wiley & Sons, 2006)We consider the coordination problem between a vendor and a buyer operating under generalized replenishment costs that include fixed costs as well as stepwise freight costs. We study the stochastic demand, singleperiod ...