Search Results - "Tarim, S. Armagan"

Mean-based error measures for intermittent demand forecasting by Prestwich, Steven, Rossi, Roberto, Armagan Tarim, S., Hnich, Brahim

“…To compare different forecasting methods on demand series, we require an error measure. Many error measures have been proposed, but when demand is intermittent…”
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Confidence-based optimisation for the newsvendor problem under binomial, Poisson and exponential demand by Rossi, Roberto, Prestwich, Steven, Tarim, S. Armagan, Hnich, Brahim

“…•We address the issue of demand estimation in newsboy-type inventory control.•We introduce confidence-based optimisation for stochastic inventory control.•We…”
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The cost of using stationary inventory policies when demand is non-stationary by Tunc, Huseyin, Kilic, Onur A., Tarim, S. Armagan, Eksioglu, Burak

“…Non-stationary stochastic demands are very common in industrial settings with seasonal patterns, trends, business cycles, and limited-life items. In such…”
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Modelling and computing ( R n , S n ) policies for inventory systems with non-stationary stochastic demand by Tarim, S. Armagan, Kingsman, Brian G.

“…This paper addresses the single-item, non-stationary stochastic demand inventory control problem under the non-stationary ( R, S) policy. In non-stationary (…”
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The stochastic dynamic production/inventory lot-sizing problem with service-level constraints by Tarim, S.Armagan, Kingsman, Brian G

“…This paper addresses the multi-period single-item inventory lot-sizing problem with stochastic demands under the “static–dynamic uncertainty” strategy of…”
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Static-dynamic uncertainty strategy for a single-item stochastic inventory control problem by Özen, Ulaş, Doğru, Mustafa K., Armagan Tarim, S.

“…We consider a single-stage inventory system facing non-stationary stochastic demand of the customers in a finite planning horizon. Motivated by the practice,…”
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Constraint programming for computing non-stationary ( R, S) inventory policies by Tarim, S. Armagan, Smith, Barbara M.

“…This paper proposes a constraint programming model for computing the finite horizon single-item inventory problem with stochastic demands in discrete time…”
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On the stochastic inventory problem under order capacity constraints by Rossi, Roberto, Chen, Zhen, Tarim, S. Armagan

“…•We consider the stochastic lot sizing problem under order capacity constraints.•A policy with a single continuous interval over which one orders is not…”
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An efficient computational method for a stochastic dynamic lot-sizing problem under service-level constraints by Tarim, S. Armagan, Dogˇru, Mustafa K., Özen, Ulaş, Rossi, Roberto

“…► Efficient computational approach to solve the mixed integer programming (MIP) model of Tarim and Kingsman [8]. ► Stochastic lot-sizing problem with service…”
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A simple heuristic for computing non-stationary inventory policies based on function approximation by Kilic, Onur A., Tarim, S. Armagan

“…We consider a finite-horizon periodic-review inventory system with fixed replenishment costs that faces non-stationary demands. The structure of the optimal…”
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Computing optimal (R,s,S) policy parameters by a hybrid of branch-and-bound and stochastic dynamic programming by Visentin, Andrea, Prestwich, Steven, Rossi, Roberto, Tarim, S. Armagan

“…•We consider the inventory control problem under stochastic non-stationary demand.•We introduce a new algorithm to compute optimal (R, s, S) policy…”
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A mathematical programming-based solution method for the nonstationary inventory problem under correlated demand by Xiang, Mengyuan, Rossi, Roberto, Martin-Barragan, Belen, Tarim, S. Armagan

“…•We consider the nonstationary lot-sizing problem under correlated demand.•We present the first mathematical programming-based solution method.•Our method can…”
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Computing non-stationary (s, S) policies using mixed integer linear programming by Xiang, Mengyuan, Rossi, Roberto, Martin-Barragan, Belen, Tarim, S. Armagan

“…•We present a mathematical programming model to compute (s, S) policies parameters.•We introduce a mixed-integer linear programming reformulation.•Our…”
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Heuristic policies for the stochastic economic lot sizing problem with remanufacturing under service level constraints by Kilic, Onur A., Tunc, Huseyin, Tarim, S. Armagan

“…•The stochastic economic lot sizing problem with remanufacturing is addressed.•Heuristic policies that make use of simple decision rules are…”
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Piecewise linear approximations for the static–dynamic uncertainty strategy in stochastic lot-sizing by Rossi, Roberto, Kilic, Onur A., Tarim, S. Armagan

“…In this paper, we develop a unified mixed integer linear modelling approach to compute near-optimal policy parameters for the non-stationary stochastic lot…”
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A note on Liu–Iwamura’s dependent-chance programming by Rossi, Roberto, Armagan Tarim, S., Hnich, Brahim, Prestwich, Steven, Guran, Cahit

“…Sometimes a complex stochastic decision system undertakes multiple tasks called events, and the decision-maker wishes to maximize the chance functions which…”
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A Global Chance-Constraint for Stochastic Inventory Systems Under Service Level Constraints by Rossi, Roberto, Tarim, S. Armagan, Hnich, Brahim, Prestwich, Steven

“…We consider a class of production/inventory control problems that has a single product and a single stocking location, for which a stochastic demand with a…”
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Modelling and solving English Peg Solitaire by Jefferson, Christopher, Miguel, Angela, Miguel, Ian, Tarim, S. Armagan

“…Peg Solitaire is a well known puzzle, which can prove difficult despite its simple rules. Pegs are arranged on a board such that at least one ‘hole’ remains…”
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A simple approach for assessing the cost of system nervousness by Tunc, Huseyin, Kilic, Onur A., Tarim, S. Armagan, Eksioglu, Burak

“…A well-known problem in coordinating supply chain inventories is that replenishment decisions are revised due to stochastic demands. This issue is often…”
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Dynamic pricing with demand disaggregation for hotel revenue management by Bandalouski, Andrei M, Egorova, Natalja G, Kovalyov, Mikhail Y, Pesch, Erwin, Tarim, S. Armagan

“…In this paper we present a novel approach to the dynamic pricing problem for hotel businesses. It includes disaggregation of the demand into several…”
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