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- Héctor Cancela, Mohamed El Khadiri
- IEEE Trans. Reliability
- 2003

In order to evaluate the capacity of a communication network architecture to resist to the possible faults of some of its components, several (un)reliability metrics are currently used. In this paper, we consider the K-terminal (un)reliability measure. The exact evaluation of this parameter is NP{hard problem. An alternative approach is to perform… (More)

- Héctor Cancela, Mohamed El Khadiri, Louis Petingi
- IEEE Trans. Reliability
- 2011

HÉCTOR CANCELA Universidad de la República J.Herrera y Reissig 565, Montevideo, URUGUAY cancela@fing.edu.uy MOHAMED EL KHADIRI Department Gestion Logistique & Transport, IUT of Saint-Nazaire, University of Nantes 58, rue Michel Ange, Saint-Nazaire Cedex, FRANCE mohamed.el-khadiri@univ-nantes.fr LOUIS PETINGI Computer Science Department College of Staten… (More)

- Héctor Cancela, Mohamed El Khadiri, Gerardo Rubino, Bruno Tuffin
- ACM Trans. Model. Comput. Simul.
- 2014

Exact evaluation of static network reliability parameters belongs to the NP-hard family, and Monte Carlo simulation is therefore a relevant tool to provide their estimations. The first goal of this work is to review a Recursive Variance Reduction (RVR) estimator, which approaches the unreliability by recursively reducing the graph from the random choice of… (More)

We consider the evaluation of the ow network reliability parameter. Because the exact evaluation of this parameter has exponential time complexity, simulation methods are used to derive an estimate. In this paper, we use the state space decomposition methodology of Doulliez and Jamoulle for constructing a new simulation method which combines the importance… (More)

- Michel Desgeorges, C. Derosier, +6 authors Bertrand Debono
- Journal of neuroradiology. Journal de…
- 1997

OBJECTIVE
In 1988, the neurosurgeons and neuroradiologists at the Val-de-Grâce hospital decided to create a stereotaxis site using advanced medical imaging date (CT-scan or MRI).
METHODS
Two MRI machines and on CT unit were linked to a network (ETHERNET) available for radiologists in 1989. Neurosurgeons adapted stereotaxis sites using Leksell, Fisher and… (More)

- Héctor Cancela, Mohamed El Khadiri, Gerardo Rubino
- Annals OR
- 2012

- Wei-Chang Yeh, Mohamed El Khadiri
- IEEE Trans. Systems, Man, and Cybernetics, Part A
- 2012

- Héctor Cancela, Mohamed El Khadiri
- Annual Simulation Symposium
- 1996

- Mohamed El Khadiri, Wei-Chang Yeh
- Computers & OR
- 2016

In this paper we consider the evaluation of the probability that a stochastic flow network allows the transmission of a given amount of flow through one path, connecting the source and the sink node, within a fixed amount of time. This problem, called the quickest path flow network reliability problem, belongs to the NP-hard family. This implies that no… (More)