Journal of the operational research society (JORS), Vol. 63 N° 11. Journal of the operational research society (JORS) - Novembre 2012
| Titre : | Journal of the operational research society (JORS), Vol. 63 N° 11. Journal of the operational research society (JORS) - Novembre 2012 |
| Type de document : | Bulletin |
| Paru le : | 21/11/2012 |
Dépouillements
Article : texte imprimé
Motivated by two important problems, the least median of squares (LMS) regression and value-at-risk (VaR) optimization, this paper considers the problem of minimizing the k-th maximum for linear functions. For this study, a sufficient and necess[...]
Article : texte imprimé
L. Schmidt, Auteur ;
P. Gazmuri, Auteur
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In this article we present an online simulation application for a decision problem that operates in real time, where products have to be dispatched from two depots to clients that are geographically distributed throughout the city. The system's [...]
Article : texte imprimé
S. M. H. Molana, Auteur ;
H. Davoudpour, Auteur ;
S. Minner, Auteur
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We consider a liquid type of a deteriorating item which is packaged by an outside supplier and is delivered to final customers by a distributor. Customers arrive according to a Poisson process and ask for an integer number of packages. Unsatisfi[...]
Article : texte imprimé
S.-J. Yang, Auteur ;
D.-L. Yang, Auteur
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This paper considers single-machine scheduling problems with job delivery times where the actual job processing time of a job is defined by a function dependent on its position in a schedule. We assume that the job delivery time is proportional [...]
Article : texte imprimé
M.-J. Mancebón, Auteur ;
J. Calero, Auteur ;
Á. Choi, Auteur
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This paper compares the efficiency of Spanish public and publicly subsidized private high schools by data envelopment analysis (DEA), employing the results provided by a hierarchical linear model (HLM) applied to PISA-2006 (Programme for Interna[...]
Article : texte imprimé
J.-J. Huang, Auteur
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Currently, the analytic network process (ANP) method is widely employed to consider the multiple criteria analysis problems with dependence and feedback effects. However, in order to extend the ANP to resolve the problem of uncertainty or human [...]
Article : texte imprimé
G. Levitin, Auteur ;
K. Hausken, Auteur
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The paper compares the efficiency of single and double attack against a system consisting of identical parallel elements. An attacker maximizes the system vulnerability (probability of total destruction). In order to destroy the system, the atta[...]
Article : texte imprimé
J. L. Vile, Auteur ;
J. W. Gillard, Auteur ;
P. R. Harper, Auteur
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This paper demonstrates techniques to generate accurate predictions of demand exerted upon the Emergency Medical Services (EMS) using data provided by the Welsh Ambulance Service Trust (WAST). The aim is to explore new methods to produce accurat[...]
Article : texte imprimé
R. J. Milne, Auteur ;
C.-T. Wan, Auteur ;
C.-K. A. Yen, Auteur
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This paper describes a custom operational research algorithm, which is run nightly by IBM to create a material requirements plan for its semiconductor fabrication facility in Vermont, USA. To model alternative manufacturing processes and part su[...]
Article : texte imprimé
Z. Drezner, Auteur ;
S. Nickel, Auteur ;
H.-P. Ziegler, Auteur
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Many location problems can be expressed as ordered median objective. In this paper, we investigate the ordered median objective when the demand points are generated in a circle. We find the mean and variance of the kth distance from the centre o[...]
Article : texte imprimé
Y.-J. An, Auteur ;
Y.-D. Kim, Auteur ;
B. J. Jeong, Auteur
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We consider a scheduling problem in a home healthcare system in which nurses visit patients regularly for relatively minor healthcare services. Intervals between the visits may differ for different patients. On each day in the planning horizon, [...]
Article : texte imprimé
P. Flisberg, Auteur ;
M. Frisk, Auteur ;
M. Rönnqvist, Auteur
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The use of forest fuel is increasing at heating plants in Sweden. Heating plants provide energy in the form of hot water for heating houses and apartments in local municipalities. Forest fuel are products obtained from harvesting in forests that[...]
Article : texte imprimé
V. C. B. Camargo, Auteur ;
F. M. B. Toledo, Auteur ;
B. Almada-Lobo, Auteur
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In this paper, we propose three novel mathematical models for the two-stage lot-sizing and scheduling problems present in many process industries. The problem shares a continuous or quasi-continuous production feature upstream and a discrete man[...]
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