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See detailSpectrométrie de masse MALDI-TOF en bactériologie clinique ou comment identifier une bactérie en une minute
MEEX, Cécile ULg

in Spectrométrie de masse MALDI-TOF en bactériologie clinique ou comment identifier une bactérie en une minute (2010)

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See detailA hybrid tabu search heuristic for a bilevel competitive facility location model
Kucukaydin, Hande ULg; Aras, Necati; Altinel, I. Kuban

in Blesa, Maria J.; Blum, Christian; Raidl, Günther (Eds.) et al Hybrid metaheuristics: 7th International Workshop, HM 2010, Vienna, Austria, October 2010, Proceedings (2010)

We consider a problem in which a firm or franchise enters a market by locating new facilities where there are existing facilities belonging to a competitor. The firm aims at finding the location and ... [more ▼]

We consider a problem in which a firm or franchise enters a market by locating new facilities where there are existing facilities belonging to a competitor. The firm aims at finding the location and attractiveness of each facility to be opened so as to maximize its profit. The competitor, on the other hand, can react by adjusting the attractiveness of its existing facilities, opening new facilities and/or closing existing ones with the objective of maximizing its own profit. The demand is assumed to be aggregated at certain points in the plane and the facilities of the firm can be located at prespecified candidate sites. We employ Huff's gravity-based rule in modeling the behavior of the customers where the fraction of customers at a demand point that visit a certain facility is proportional to the facility attractiveness and inversely proportional to the distance between the facility site and demand point. We formulate a bilevel mixed-integer nonlinear programming model where the firm entering the market is the leader and the competitor is the follower. In order to find a feasible solution of this model, we develop a hybrid tabu search heuristic which makes use of two exact methods as subroutines: a gradient ascent method and a branch-and-bound algorithm with nonlinear programming relaxation. [less ▲]

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See detailJoe G. Pinelli, dans le no man’s land de la bande dessinée
Paques, Frédéric ULg

in Textyles : Revue des Lettres Belges de Langue Française (2010), 36-37

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See detailRapid regulation of aromatase activity and the role of stress
Dickens, Molly; Charlier, Thierry ULg; Cornil, Charlotte ULg et al

Poster (2010)

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See detailAdaptive and Rational Anticipations in Risk Management Systems and Economy
Dubois, Daniel ULg; Holmberg, Stig C.

in Dubois, Daniel (Ed.) COMPUTING ANTICIPATORY SYSTEMS (2010)

The global financial crisis of year 2009 is explained as a result of uncoordinated risk management decisions in business firms and economic organisations. The underlying reason for this can be found in ... [more ▼]

The global financial crisis of year 2009 is explained as a result of uncoordinated risk management decisions in business firms and economic organisations. The underlying reason for this can be found in the current financial system. As the financial market has lost much of its direct coupling to the concrete economy it provides misleading information to economic decision makers at all levels. Hence, the financial system has moved from a state of moderate and slow cyclical fluctuations into a state of fast and chaotic ones. Those misleading decisions can further be described, but not explained, by help of adaptive and rational expectations from macroeconomic theory. In this context, AE, the Adaptive Expectations are related to weak passive Exo-anticipation, and RE, the Rational expectations can be related to a strong, active and design oriented anticipation. The shortcomings of conventional cures, which builds on a reactive paradigm, have already been demonstrated in economic literature and are here further underlined by help of Ashby's “Law of Requisite Variety”, Weaver's distinction between systems of “Disorganized Complexity” and those of “Organized Complexity”, and Klir's “Reconstructability Analysis”. Anticipatory decision-making is hence here proposed as a replacement to current expectation based and passive risk management. An anticipatory model of the business cycle is presented for supporting that proposition. The model, which is an extension of the Kaldor-Kalecki model, includes both retardation and anticipation. While cybernetics with the feedback process in control system deals with an explicit goal or purpose given to a system, the anticipatory system discussed here deals with a behaviour for which the future state of the system is built by the system itself, without explicit goal. A system with weak anticipation is based on a predictive model of the system, while a system with strong anticipation builds its own future by itself. Numerical simulations on computer confirm the feasibility of this approach. Hence, functional differential equations with both retardation and anticipation are found to be useful tools for modelling financial systems. [less ▲]

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See detailA statistical validation for the cycles found in air temperature data using a Morlet wavelet-based method
Nicolay, Samuel ULg; Mabille, Georges ULg; Fettweis, Xavier ULg et al

in Nonlinear Processes in Geophysics (2010), 17

Recently, new cycles, associated with periods of 30 and 43 months, respectively, have been observed by the authors in surface air temperature time series, using a wavelet-based methodology. Although many ... [more ▼]

Recently, new cycles, associated with periods of 30 and 43 months, respectively, have been observed by the authors in surface air temperature time series, using a wavelet-based methodology. Although many evidences attest the validity of this method applied to climatic data, no systematic study of its efficiency has been carried out. Here, we estimate confidence levels for this approach and show that the observed cycles are significant. Taking these cycles into consideration should prove helpful in increasing the accuracy of the climate model projections of climate change and weather forecast. [less ▲]

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See detailEn droit administratif et en droit de l'environnement, apprendre est-il se ressouvenir de ce que l'on avait oublié ?
Delnoy, Michel ULg

in L'avenir de la recherche - Réflexions à l'occasion des Leçons inaugurales 2010 (2010)

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See detailAn Extended Shallow-water-like Model Applied to Flows in Environmental and Civil Engineering
Kerger, François ULg; Dewals, Benjamin ULg; Erpicum, Sébastien ULg et al

in Hirsch, Gerhard; Kappel, Bernd (Eds.) Hydraulic Engineering: Structural Applications, Numerical Modeling and Environmental Impacts (2010)

Objective of this text is to rigorously develop a unified mathematical model to simulate a wide range of environmental flows. Particular emphasis is placed on flows relevant in civil and environmental ... [more ▼]

Objective of this text is to rigorously develop a unified mathematical model to simulate a wide range of environmental flows. Particular emphasis is placed on flows relevant in civil and environmental engineering. [less ▲]

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See detailInjury characteristics and risk factors in young soccer players
Frisch, Anne ULg; Croisier, Jean-Louis ULg; Windal, T. et al

in Knee Surgery, Sports Traumatology, Arthroscopy (2010), 18(Suppl 1), 58

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See detailEMOCOMP! A customer based scale for measuring emotional competences in service employees
Delcourt, Cécile ULg; Van Riel, Allard ULg; van Birgelen, Marcel et al

E-print/Working paper (2010)

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See detailPreliminary experiments: High-energy alpha PIXE in archaeometry
Dupuis, Thomas ULg; Chene, Grégoire ULg; Mathis, François ULg et al

in Nuclear Instruments & Methods in Physics Research. Section B, Beam Interactions with Materials and Atoms (2010), 268(11-12), 1911-1915

This paper describes the work realized at the "Centre Europeen d'Archeometrie" to highlight the utility of high-energy alpha PIXE in the particular field of archaeometry and to introduce the developments ... [more ▼]

This paper describes the work realized at the "Centre Europeen d'Archeometrie" to highlight the utility of high-energy alpha PIXE in the particular field of archaeometry and to introduce the developments done and to be clone to complete the knowledge of high-energy alpha PIXE. It starts with the comparison of the yield and the noise background between several alpha particle beams and the comparison between alpha particle and proton beams on different thick and thin references. After, this paper depicts the developments done at the "Institut de Physique Nucleaire, Atomique et Spectroscopie" to perform such high-energy experiments, first on standards and later on cultural heritage objects. Moreover, it introduces the problematics of such beams for the quantification in PIXE by the intermediary of the knowledge of the ionization and X-ray production cross-sections and also the developments done to answer to this serious lack in the databases. (C) 2010 Elsevier B.V. All rights reserved. [less ▲]

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See detailEffects of methionine sources in interaction with dietary protein content on performance and oxidative status of broiler chickens
Swennen, Q.; Buyse, Johan; Mercier, Yves et al

Poster (2010)

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See detailThe vegetative state.
Monti, Martin M; Laureys, Steven ULg; Owen, Adrian M

in BMJ (Clinical Research ed.) (2010), 341

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See detailPotential research on marine mammals
Jauniaux, Thierry ULg; Coignoul, Freddy ULg

in Animal inside and outside the laboratory (2010)

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See detailDag van de Nieuwste Geschiedenis 2010 – Journée de l’Histoire contemporaine 2010. Compte rendu de la session « Belgique et relations internationales : état des lieux, tendances historiographiques »
Lanneau, Catherine ULg

in Bulletin d'Information de l'Association Belge d'Histoire Contemporaine = Mededelingenblad van de Belgische Vereniging voor Nieuwste Geschiedenis (2010), XXXII(3), 5-6

Detailed reference viewed: 13 (3 ULg)