Department of Industrial Engineering
Recent Submissions
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Evsel atık toplama ağı tasarımı ve geri kazanım süreçlerinin iyileştirilmesi
(TMMOB MAKİNA MÜHENDİSLERİ ODASI, 2008)Mevcut sistemin analizi neticesinde problem evsel atık toplama ve ayrıştırma süreçlerinin yüksek maliyetli olması olarak tanımlanmış ve bu süreçler için maliyetleri azaltacak iyileştirme çalışmaları yapılmıştır. Ayrıca ... -
Dual representations for systemic risk measures
(Springer, 2019-11)The financial crisis showed the importance of measuring, allocating and regulating systemic risk. Recently, the systemic risk measures that can be decomposed into an aggregation function and a scalar measure of risk, ... -
Modelling and analysis of tool deflections in tailored micro end mills
(Inderscience Enterprises, 2019)The deflection of micro end mills has a detrimental effect on surface quality of the machined micro components and adversely affects the achievable dimensional and geometrical tolerances. In this paper, the analysis and ... -
A branch-and-cut algorithm for the alternative fuel refueling station location problem with routing
(INFORMS, 2019)Because of the limited range of alternative fuel vehicles (AFVs) and the sparsity of the available alternative refueling stations (AFSs), AFV drivers cooperatively deviate from their paths to refuel. This deviation is ... -
Bilateral trade with risk-averse intermediary using linear network optimization
(Wiley Periodicals, Inc., 2019)We consider bilateral trade of an object between a seller and a buyer through an intermediary who aims to maximize his/her expected gains as in the previous study, in a Bayes‐Nash equilibrium framework where the seller and ... -
Betti numbers for certain Cohen–Macaulay tangent cones
(Cambridge University Press, 2019)We compute Betti numbers for a Cohen–Macaulay tangent cone of a monomial curve in the affine 4-space corresponding to a pseudo-symmetric numerical semigroup. As a byproduct, we also show that for these semigroups, being ... -
The refugee camp management: a general framework and a unifying decision-making model
(Emerald Group Publishing, 2019)Purpose: Motivated by the increasing need to provide support to refugees, which remains as a pressing issue in the agenda of many countries, the purpose of this paper is to consider the refugee camp management problem. ... -
Necessary and sufficient conditions for noiseless sparse recovery via convex quadratic splines
(Society for Industrial and Applied Mathematics Publications, 2019)The problem of exact recovery of an individual sparse vector using the Basis Pursuit (BP) model is considered. A differentiable Huber loss function (a convex quadratic spline) is used to replace the $\ell_1$-norm in the ... -
The impact of frying aerosol on human brain activity
(Elsevier, 2019)Knowledge on the impact of the exposure to indoor ultrafine particles (UFPs) on the human brain is restricted. Twelve non-atopic, non-smoking, and healthy adults (10 female and 7 male, in average 22 years old) were monitored ... -
On multi-criteria chance-constrained capacitated single-source discrete facility location problems
(Elsevier, 2018)This work aims at investigating multi-criteria modeling frameworks for discrete stochastic facility location problems with single sourcing. We assume that demand is stochastic and also that a service level is imposed. This ... -
Minimal conic quadratic reformulations and an optimization model
(Elsevier, 2019)In this paper, we consider a particular form of inequalities which involves product of multiple variables with rational exponents. These inequalities can equivalently be represented by a number of conic quadratic forms ... -
The morphological changes upon cryomilling of cellulose and concurrent generation of mechanoradicals
(Elsevier, 2019)Microstructural features such as grain size, grain morphology, and phase fractions have significant influence on process outputs of machining processes. During micro end milling where feed per tooth and depth of cut values ... -
Green hub location problem
(Elsevier, 2019)This paper introduces the green hub location problem that finds the best locations for hubs, assignments of demand nodes to these hubs and speed of trucks/flights so as to route the demand between any origin-destination ... -
Optimization of hybrid energy systems with pumped hydro storage: a case study for Turkey
(Gazi Üniversitesi Mühendislik-Mimarlık, 2019)There is a need for energy models that include renewable energy sources to reduce the role of fossil fuels in electricity generation. However, renewable energy sources are intermittent and cannot be predicted precisely. ... -
The value of multi-stage stochastic programming in risk-averse unit commitment under uncertainty
(IEEE, 2019-09)Day-ahead scheduling of electricity generation or unit commitment is an important and challenging optimization problem in power systems. Variability in net load arising from the increasing penetration of renewable technologies ... -
Designing intervention scheme for vaccine market: a bilevel programming approach
(Springer, 2019)Public-interest goods benefit consumers and also generate external benefits boosting societal welfare. Despite this characteristic of these goods, their level of consumption or production are generally well below the ... -
An exact solution approach for risk-averse mixed-integer multi-stage stochastic programming problems
(Springer, 2019)Risk-averse mixed-integer multi-stage stochastic programming problems are challenging, large scale and non-convex optimization problems. In this study, we propose an exact solution algorithm for a type of these problems ... -
Benders decomposition algorithms for two variants of the single allocation hub location problem
(Springer, 2019)The hub location problem (HLP) is a special type of the facility location problem with numerous applications in the airline industry, postal services, and computer and telecommunications networks. This paper addresses two ... -
The venue management problem: setting staffing levels, shifts and shift schedules at concession stands
(Springer, 2019)The aim of this research is to determine staffing requirements as well as shift scheduling, with the objective of maximizing the expected contribution from the venue. We specifically consider theaters where demand at ... -
The periodic vehicle routing problem with driver consistency
(Elsevier, 2018)The Periodic Vehicle Routing Problem is a generalization of the classical capacitated vehicle routing problem in which routes are determined for a planning horizon of several days. Each customer has an associated set of ...
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