Department of Industrial Engineering
Recent Submissions

Equitable decision making approaches over allocations of multiple benefits to multiple entities
(Bilkent University, 201708)In this study, we develop decision support tools for policy makers that will help them make choices among a set of allocation alternatives. We assume that alternatives are evaluated based on their benefits to different ... 
Bivariate density estimation with randomly truncated data
(Elsevier, 200007)In this study bivariate kernel density estimators are considered when a component is subject to random truncation. In bivariate truncation models one observes the i.i.d. samples from the triplets (T, Y, X) only if T less ... 
Analysis of reactive scheduling problems in a job shop environment
(Elsevier, 20001101)In this paper, we study the reactive scheduling problems in a stochastic manufacturing environment. Specifically, we test the several scheduling policies under machine breakdowns in a classical job shop system. In addition, ... 
Bivariate distribution and the hazard functions when a component is randomly truncated
(Elsevier, 199701)In random truncation models one observes the i.i.d. pairs (Ti≤Yi), i=1, ..., n. If Y is the variable of interest, then T is another independent variable which prevents the complete observation of Y and random left truncation ... 
Job shop scheduling with beam search
(Elsevier, 19991016)Beam Search is a heuristic method for solving optimization problems. It is an adaptation of the branch and bound method in which only some nodes are evaluated in the search tree. At any level, only the promising nodes are ... 
Weak and strong quantile representations for randomly truncated data with applications
(Elsevier, 19930526)Suppose that we observe bivariate data (X,. q) only when Y, < Xi (left truncation). Denote with F the marginal d.f. of the X’s In this paper we derive a Bahadurtype representation for the quantile function of the pertaining ... 
Lot streaming in open shops
(Elsevier, 199810)We study lot streaming in shops in which the order the jobs are to be processed is immaterial. For a single job case, the properties of the optimal routing is determined. For the multi job case, two machine shops are ... 
Scheduling with tool changes to minimize total completion time under controllable machining conditions
(Elsevier, 200707)Scheduling under controllable machining conditions has been studied for some time. Scheduling with tool changes, particularly due to tool wear, has just begun to receive attention. Though machining conditions impact tool ... 
A spanning tree approach to the absolute pcenter problem
(Elsevier, 200012)We consider the absolute pcenter problem on a general network and propose a spanning tree approach which is motivated by the fact that the problem is NPhard on general networks but solvable in polynomial time on trees. ... 
A Stackelberg game model for resource allocation in cargo container security
(Springer, 201107)This paper presents a game theoretic model that analyzes resource allocation strategies against an adaptive adversary to secure cargo container transportation. The defender allocates security resources that could interdict ... 
Distribution network design on the battlefield
(Wiley, 20110429)Ammunition, whether it be an arrow in the middle ages, a lead bullet in the 1800s, or a laser guided smart bomb today, has been the most prominent factor in determining the outcome of combat. Failing to supply the required ... 
Coordinated logistics: replenishment with capacitated transportation for a supply chain
(POMS, 201401)In this study, we consider the integrated inventory replenishment and transportation operations in a supply chain where the orders placed by the downstream retailer are dispatched by the upstream warehouse via an inhouse ... 
The Robust Network Loading Problem under Hose Demand Uncertainty: Formulation, Polyhedral Analysis, and Computations
(INFORMS, 20110323)We consider the network loading problem (NLP) under a polyhedral uncertainty description of traffic demands. After giving a compact multicommodity flow formulation of the problem, we state a decomposition property obtained ... 
Release Time Scheduling and Hub Location for NextDay Delivery
(INFORMS, 20120201)Inspired by a reallife problem faced by one of the largest groundbased cargo companies of Turkey, the current study introduces a new facet to the hub location literature. The release time scheduling and hub location ... 
Sharperatio pricing and hedging of contingent claims in incomplete markets by convex programming
(Elsevier, 200808)We analyze the problem of pricing and hedging contingent claims in a financial market described by a multiperiod, discretetime, finitestate scenario tree using an arbitrageadjusted Sharperatio criterion. We show that ... 
A dual representation of gainloss hedging for European claims in discrete time
(Taylor & Francis, 20120322)Superhedging of European claims in incomplete markets is a wellstudied problem. The superhedging value of a European claim is known to yield a price too large to be interesting in some cases. In this note, an ... 
Receding Horizon Control of Mixed Line Flow Shop Systems
(Springer, 201103)We consider reliable mixed line flow shop systems that are composed of controllable and uncontrollable machines. These systems are assumed to receive arrivals at random instants and process jobs deterministically in the ... 
Asymptotically optimal Bayesian sequential change detection and identification rules
(Springer, 20130412)We study the joint problem of sequential change detection and multiple hypothesis testing. Suppose that the common distribution of a sequence of i.i.d. random variables changes suddenly at some unobservable time to one ... 
Cost and emission impacts of virtual power plant formation in plugin hybrid electric vehicle penetrated networks
(Elsevier, 20131001)With increasing interest in alternative energy resources and technologies, mass penetration of PHEVs (plugin hybrid vehicles) into the electricity grid and widespread utilization of DERs (distributed energy resources) ... 
Hazardous waste management problem: The case for incineration
(Elsevier, 200705)We define the hazardous waste management problem as the combined decisions of selecting the disposal method, siting the disposal plants and deciding on the waste flow structure. The hazardous waste management problem has ...