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See detailThe Belgian Reform of Mental Health: Changing the Face of Psychiatric Hospitals
Thunus, Sophie ULg

Conference (2014, September)

This paper focuses on the ongoing reform of psychiatric and mental health care delivery in Belgium. It starts by mentioning particularities of the system’s development, then it defines the reform’s ... [more ▼]

This paper focuses on the ongoing reform of psychiatric and mental health care delivery in Belgium. It starts by mentioning particularities of the system’s development, then it defines the reform’s objectives and policy instruments used to reach these objectives and, finally, it indicates specific issues and outcomes resulting from the implementing. [less ▲]

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See detailDetection of Angiostrongylus vasorum in the bronchoalveolar lavage fluid or faeces of coughing and healthy dogs in Belgium.
Canonne-Guibert, Morgane ULg; Roels, Elodie ULg; Caron, Yannick ULg et al

in Proceedings of the 24th Ecvim Meeting, Mainz, Germany - 4-6 September 2014 (2014, September)

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See detailEvaluation de la pertinence du couplage entre le modèle régional MAR et le modèle de calotte glaciaire GRISLI sur le Groenland
Wyard, Coraline ULg

Master's dissertation (2014)

During the two last decades, the Greenland ice sheet (GrIs) contribution to the global mean sea level (GMSL) rise has significantly increased. In the future, difficulties remain to assess the GrIs ... [more ▼]

During the two last decades, the Greenland ice sheet (GrIs) contribution to the global mean sea level (GMSL) rise has significantly increased. In the future, difficulties remain to assess the GrIs contribution to GMSL rise because of large uncertainties linked to the feedback between the surface mass balance (SMB) and the elevation of the GrIs. In 2013, Xavier Fettweis, my promoter, has coupled a regional climate model (RCM), the model MAR, with an ice sheet model (ISM), the model GRISLI, in order to account of this feedback and, in this way, to improve the assessment of the future GrIs contribution to the GMSL rise. The aim of this study is to assess the pertinence of the MAR−GRISLI coupling which requires long computation time. Nine imulations were carried out with GRISLI. Six of these simulations consisted in forcing GRISLI with several present days MAR outputs (SMB and surface temperature) in order to identify the GRISLI biases. The three last simulations consisted in forcing GRISLI until 2100 with future non-coupled, coupled and modified non- coupled MAR outputs in order to find a technique to avoid the coupling. The results show that initial conditions need to be improved and that the ice flow velocities required recalibration because an abnormal present-day thickening of the GrIs margins. Ice calving only depends on ice sheet extension because of constant ice flow velocities. The MAR−GRISLI coupling can be avoided until the middle of the 2080s. Beyond these years, the SMB correction is too large so that the thinning of the GrIs margins is overestimated. In a further study, the SMB correction could be reduced to avoid the MAR−GRISLI coupling over longer periods. GRISLI could be improved or replaced by a more complex ISM with dynamic ice flow velocities to enhance the results. [less ▲]

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See detailMonetary Policy
Artige, Lionel ULg

Learning material (2014)

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See detailThe freeness problem for products of matrices defined on bounded languages
Charlier, Emilie ULg

in Actes des Journées Montoises d'Informatique Théorique (2014, September)

In this talk, I presented a joint work with Juha Honkala. We study the freeness problem for matrix semigroups. We show that the freeness problem is decidable for upper-triangular 2x2 matrices with ... [more ▼]

In this talk, I presented a joint work with Juha Honkala. We study the freeness problem for matrix semigroups. We show that the freeness problem is decidable for upper-triangular 2x2 matrices with rational entries when the products are restricted to certain bounded languages. We also show that this problem becomes undecidable for large enough matrices. [less ▲]

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See detailAccurate monitoring of the rumination behaviour of cattle using IMU signals from a mobile device
Andriamandroso, Andriamasinoro ULg; Lebeau, Frédéric ULg; Bindelle, Jérôme ULg

in Hopkins, A; Collins, RP; Fraser, MD (Eds.) et al EGF at 50: The Future of European Grasslands. Proceedings of the 25th General Meeting of the European Grassland Federation. (2014, September)

Improving the monitoring of rumination in cattle could help in assessing of the welfare status and their risk of acidosis. In this work, the monitoring of cattle’s behaviour was performed using the ... [more ▼]

Improving the monitoring of rumination in cattle could help in assessing of the welfare status and their risk of acidosis. In this work, the monitoring of cattle’s behaviour was performed using the inertial measurement unit (IMU) present in smartphones mounted on the neck of cows. The processing of both time and frequency domains of the IMU signals was capable to detect accurately the main behaviours (grazing, rumination and other) and highlight the characteristics of the rumination process. The algorithm for analysis of rumination was more accurate for grazing cattle than for silage-fed cattle in stables. [less ▲]

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See detailPractical design of a nonlinear tuned vibration absorber
Grappasonni, Chiara ULg; Habib, Giuseppe ULg; Detroux, Thibaut ULg et al

in Proceedings of the ISMA 2014 conference (2014, September)

The aim of the paper is to develop a new nonlinear tuned vibration absorber (NLTVA) capable of mitigating the vibrations of nonlinear systems which are known to exhibit frequency-energy-dependent ... [more ▼]

The aim of the paper is to develop a new nonlinear tuned vibration absorber (NLTVA) capable of mitigating the vibrations of nonlinear systems which are known to exhibit frequency-energy-dependent oscillations. A nonlinear generalization of Den Hartog’s equal-peak method is proposed to ensure equal peaks in the nonlinear frequency response for a large range of forcing amplitudes. An analytical tuning procedure is developed and provides the load-deflection characteristic of the NLTVA. Based on this prescribed relation, the NLTVA design is performed by two different approaches, namely thanks to (i) analytical formulas of uniform cantilever and doubly-clamped beams and (ii) numerical shape optimization of beams with varying width and thickness. A primary system composed of a cantilever beam with a geometrically nonlinear component at its free end serves to illustrate the proposed methodology. [less ▲]

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See detailImpact de la médiatisation technologique sur la mobilisation des modalités non-verbales dans les références démonstratives.
Defays, Aurore ULg; Jeunejean, Aurélie ULg; Giboin, Alain

in Leclercq, Pierre; Bonnet, Pierre; Dondero, Maria Giulia (Eds.) et al COMMON 14 - Communication multimodale et collaboration instrumentée (2014, September)

L’objectif de ce papier est de comprendre comment la médiatisation technologique et les contraintes d’utilisation d’un outil vont modifier la manière dont les agents vont mobiliser les modalités de ... [more ▼]

L’objectif de ce papier est de comprendre comment la médiatisation technologique et les contraintes d’utilisation d’un outil vont modifier la manière dont les agents vont mobiliser les modalités de communications pour collaborer efficacement. Dans ce travail, nous nous sommes centrés sur les références démonstratives, c’est-à-dire les références verbales qui nécessitent d’être accompagnées de gestes pour que leur interprétation soit complète. Nous avons mené cette recherche dans le domaine de la conception architecturale et avons examiné deux situations de travail collaboratif (une en coprésence et une outillée) dans le but de pouvoir les comparer. Pour chaque situation, nous décrivons comment les architectes s’adaptent aux modalités potentiellement disponibles pour désigner l’objet à quoi ils font référence dans leur discours. Nos résultats montrent que lorsque la modalité gestuelle ne peut être utilisée de manière effective, comme c’est le cas dans la situation outillée, les architectes vont développer des stratégies de compensation. En effet, la modalité graphique va pallier la transmission partielle des gestes en prenant le relais de la fonction de désignation. [less ▲]

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See detailAbelian bordered factors and periodicity
Charlier, Emilie ULg; Harju, Tero; Puzynina, Svetlana et al

in Actes des Journées Montoises d'Informatique Théorique (2014, September)

A finite word is bordered if it has a non-empty proper prefix which is equal to its suffix, and unbordered otherwise. Ehrenfeucht and Silberger proved that an infinite word is (purely) periodic if and ... [more ▼]

A finite word is bordered if it has a non-empty proper prefix which is equal to its suffix, and unbordered otherwise. Ehrenfeucht and Silberger proved that an infinite word is (purely) periodic if and only if it contains only finitely many unbordered factors. We are interested in an abelian modification of this fact. Namely, we have the following question: Let w be an infinite word such that all sufficiently long factors are abelian bordered. Is w (abelian) periodic? We also consider a weakly abelian modification of this question, when only the frequencies of letters are taken into account. Besides that, we answer a question of Avgustinovich, Karhumaki and Puzynina concerning abelian central factorization theorem. [less ▲]

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See detailMéthodologie de l'enquête
Jacquemain, Marc ULg

Learning material (2014)

Le cours présente sous la forme d'environ 350 slides assez détaillés, les grandes notions relatives à l'enquête par questionnaire : 1) Qu'est-ce qui différencie l'enquête des autres modes d'investigation ... [more ▼]

Le cours présente sous la forme d'environ 350 slides assez détaillés, les grandes notions relatives à l'enquête par questionnaire : 1) Qu'est-ce qui différencie l'enquête des autres modes d'investigation ? 2) Comment produire le questionnaire le moins biaisé possible ? 3) Quels sont les grands principes et les grandes techniques de l'échantillonnage ? 4) Que usage des résultats (graphiques, modèles, analyses). [less ▲]

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See detailLe test conflictuel - un colosse aux pieds d'argile?
Wautelet, Patrick ULg

Conference (2014, September)

Cette présentation a servi de support à une communication tendant à faire le point sur l'article 27 du Code de droit international privé. La communication avait comme objectif de démontrer les difficultés ... [more ▼]

Cette présentation a servi de support à une communication tendant à faire le point sur l'article 27 du Code de droit international privé. La communication avait comme objectif de démontrer les difficultés du régime actuel d'accueil en Belgique des actes étrangers en Belgique et à formuler des pistes de solution pour améliorer ce régime. [less ▲]

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See detailCinq leçons de sociologie des idéologies
Jacquemain, Marc ULg

Learning material (2014)

A travers cinq leçons (environ sept à huit séances), illustrées par des slides, le cours présente différents points de vue sur l'idéologie, chacun emprunté à un auteur différent : Marx, Ricoeur, Boltanski ... [more ▼]

A travers cinq leçons (environ sept à huit séances), illustrées par des slides, le cours présente différents points de vue sur l'idéologie, chacun emprunté à un auteur différent : Marx, Ricoeur, Boltanski, Elster, Orwell. Il s'agit de montrer en multipliant les angles d'approche que les perceptions du monde social sont fondamentalement construites et qu'elles s'inscrivent dans les rapports conflictuels qui caractérisent toute société. [less ▲]

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See detailVascular endothelial growth factor : a blood biomarker in canine pulmonary fibrosis.
Roels, Elodie ULg; Krafft, Emilie ULg; Heikkilä, H.P. et al

in Proceedings of the 24th Ecvim Meeting, Mainz, Germany - 4-6 September 2014 (2014, September)

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See detailLa stratégie chinoise en Amérique latine : entre coopération et hégémonie. Le cas du Brésil
Wintgens, Sophie ULg

in Revue de la Faculté de Droit de l'Université de Liège (2014), 59(2), 301-336

Cet article part du constat que la Chine a fortement accru sa présence en Amérique latine durant la dernière décennie. Il observe plus précisément que les pays avec lesquels elle a rapidement augmenté ses ... [more ▼]

Cet article part du constat que la Chine a fortement accru sa présence en Amérique latine durant la dernière décennie. Il observe plus précisément que les pays avec lesquels elle a rapidement augmenté ses échanges économiques et commerciaux se sont également engagés dans de nouveaux schémas de coopération et partenariat, posant la question de la Chine comme potentielle « alternative » aux partenaires occidentaux traditionnels de ce sous-continent. Là où nombre d’études s’interrogent sur l’impact des relations sino-latino-américaines, celle-ci propose d’analyser la stratégie chinoise envers l’Amérique latine, en s’appuyant sur le cas du partenariat stratégique avec le Brésil. Dans ce cadre, nous postulons que l’accroissement de l’influence de la Chine dans cette région du monde ne dépend pas seulement de la disponibilité de ses ressources (économiques, politiques, culturelles, militaires, etc.), ni de son aptitude à les mobiliser adéquatement, mais qu’elle tient également à la représentation qu’elle véhicule en tant qu’acteur mondial (coopération Sud-Sud) ainsi qu’à sa reconnaissance par les autres acteurs du système international. En ce sens, la puissance de la Chine se mesure également à travers sa capacité à s’affirmer comme une référence pour ses pairs émergents, voire auprès des puissances occidentales. En appréhendant les différentes dimensions de la puissance chinoise à travers ses actions de politique extérieure et les discours afférents, nous mesurerons dès lors la capacité d’influence de la Chine en Amérique latine, et plus précisément vis-à-vis du Brésil, à travers l’écart entre son discours (coopération) et la réalité (hégémonie). [less ▲]

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See detailLocal Stakeholders’ Perceptions About the Introduction of Performance-Based Financing in Benin: A Case Study in Two Health Districts
Paul, Elisabeth ULg; Sossouhounto, Nadine; Eclou, Dieudonné

in International Journal of Health Policy and Management (2014), 3

Background: Performance-Based Financing (PBF) has been advanced as a solution to contribute to improving the performance of health systems in developing countries. This is the case in Benin. This study ... [more ▼]

Background: Performance-Based Financing (PBF) has been advanced as a solution to contribute to improving the performance of health systems in developing countries. This is the case in Benin. This study aims to analyse how two PBF approaches, piloted in Benin, behave during implementation and what effects they produce, through investigating how local stakeholders perceive the introduction of PBF, how they adapt the different approaches during implementation, and the behavioural interactions induced by PBF. Methods: The research rests on a socio-anthropological approach and qualitative methods. The design is a case study in two health districts selected on purpose. The selection of health facilities was also done on purpose, until we reached saturation of information. Information was collected through observation and semi-directive interviews supported by an interview guide. Data was analysed through contents and discourse analysis. Results: The Ministry of Health (MoH) strongly supports PBF, but it is not well integrated with other ongoing reforms and processes. Field actors welcome PBF but still do not have a sense of ownership about it. The two PBF approaches differ notably as for the organs in charge of verification. Performance premiums are granted according to a limited number of quantitative indicators plus an extensive qualitative checklist. PBF matrices and verification missions come in addition to routine monitoring. Local stakeholders accommodate theoretical approaches. Globally, staff is satisfied with PBF and welcomes additional supervision and training. Health providers reckon that PBF forces them to depart from routine, to be more professional and to respect national norms. A major issue is the perceived unfairness in premium distribution. Even if health staff often refer to financial premiums, actually the latter are probably too weak — and ‘blurred’ — to have a lasting inciting effect. It rather seems that PBF motivates health workers through other elements of its ‘package’, especially formative supervisions. Conclusion: If the global picture is quite positive, several issues could jeopardise the success of PBF. It appears crucial to reduce the perceived unfairness in the system, notably through enhancing all facilities’ capacities to ensure they are in line with national norms, as well as to ensure financial and institutional sustainability of the system. [less ▲]

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See detailAsteroseismology of evolved stars: from hot B subdwarfs to white dwarfs
Van Grootel, Valérie ULg; Fontaine, G.; Charpinet, S. et al

Conference (2014, September)

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