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See detail« Dessinez la Belgique » : Représentations, perceptions et préférences fédérales d’étudiants universitaires belges francophones
Reuchamps, Min ULg; Grandjean, Geoffrey ULg; Flaba, Elodie ULg et al

Report (2008)

In an experimental design, we asked 234 French-speaking Belgian university students to “draw Belgium”. No other guidelines were given. In addition to this request, the students were asked to fill in a 19 ... [more ▼]

In an experimental design, we asked 234 French-speaking Belgian university students to “draw Belgium”. No other guidelines were given. In addition to this request, the students were asked to fill in a 19-question questionnaire about their federal perceptions and preferences as well as political and socio-demographic indicators. This experimental research is an attempt to capture the relationships between representations and perceptions of federalism in Belgium. This short preliminary report offers the first results and insight from this research. Further analyses and publications will follow. [less ▲]

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See detailRunning an Interdisciplinary Competency Group
Stassart, Pierre M ULg

Report (2008)

This paper presents a translation of part of a report written by a CRE colleague in Belgium. It concerns the development of a distinctive method of conducting interdisciplinary research, known as a ... [more ▼]

This paper presents a translation of part of a report written by a CRE colleague in Belgium. It concerns the development of a distinctive method of conducting interdisciplinary research, known as a Competency Group. A Competency Group brings together a range of individuals with differing experiences and knowledge of a particular problem. The Competency Group aims to move thinking about the problem forward through group interaction. This translation outlines four key principles for working in this way: the narrative form; intersections between systems of reference; putting knowledge to the test and mutual learning; and the suspension of strategic interests. [less ▲]

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See detailDéfauts d'orientation et de battement
Debongnie, Jean-François ULg

Report (2008)

The problem of orientation or runout errors being formulated, it is firt noted that these errors necessarily include the form errors of the measured part. The second problem is the correct asseement of a ... [more ▼]

The problem of orientation or runout errors being formulated, it is firt noted that these errors necessarily include the form errors of the measured part. The second problem is the correct asseement of a simulated reference when the reference surface is of imperfect form. The logical choice would be perfect form having the least maximal distance to the physical one. But this choice being a difficult one, the best approximation in the least square sense if often chosed. The effect of this reference perturbation is studied. [less ▲]

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See detailThéorie des erreurs de rectitude et de planéité
Debongnie, Jean-François ULg

Report (2008)

This report is focused on straightness and flatness errors, in a common frame. Starting with the framing of a compact of a 2-D or 3-D space by two parallel hyperplanes, it is first noted that the given ... [more ▼]

This report is focused on straightness and flatness errors, in a common frame. Starting with the framing of a compact of a 2-D or 3-D space by two parallel hyperplanes, it is first noted that the given compact may be replaced by its convex closure. It is then proved that the separation of the framing hyperplanes varies continuously with their common normal vector. From this follows that a minimal separation is reached for a given orientation of the hyperplanes. However, this optimal orientation is not necessary unique. An optimality criterium is obtained, which concerns the number and the position of the contact points of the given surfave with the framing hyperplanes. Finally, a direct method of obtaining the optimum is presented. [less ▲]

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See detailThéorie de l'erreur de circularité
Debongnie, Jean-François ULg

Report (2008)

This report gives the theory of the circularity error, as defined by ISO-norms, that is, the minimum of the radius difference between two concentric circles that enclose the measured curve. The common ... [more ▼]

This report gives the theory of the circularity error, as defined by ISO-norms, that is, the minimum of the radius difference between two concentric circles that enclose the measured curve. The common center of the optimal pair of circles being called the best center, the question of its existence is fully discussed. It is then proved that this problem is equivalent to the research of a circle which is the best approximation of the given curve by respect of a uniform norm. A characterization of the best center is developed, from which the unicity of the best center is proved. [less ▲]

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See detailModelling of the squeeze film air damping in MEMS
Bruls, Olivier ULg

Report (2008)

This document proposes a formulation of the squeeze film air damping in micro-plates. The nonlinear Reynolds equation for compressible film is used to analyze the air pressure field, whereas a standard ... [more ▼]

This document proposes a formulation of the squeeze film air damping in micro-plates. The nonlinear Reynolds equation for compressible film is used to analyze the air pressure field, whereas a standard linear elastic model is used for the displacement field. The formulation is based on a finite element discretization of both the pressure and displacement fields. The coupled equations of motion are established and, for harmonic oscillations, we show that the resulting damping matrix depends on the frequency. [less ▲]

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See detailRencontre citoyenne sur le fédéralisme – 29 septembre 2007, Université de Liège
Reuchamps, Min ULg

Report (2008)

This report present the preliminary results of the first out four citizens' meeting that took place at the Université de Liège, on September 29, 2007. The preliminary analyses of the qualitative and ... [more ▼]

This report present the preliminary results of the first out four citizens' meeting that took place at the Université de Liège, on September 29, 2007. The preliminary analyses of the qualitative and quantitative data collected during the nine hours long exchanges are presented in this paper. The first analyses shed light on the relations between the federal perceptions and preferences of French-speaking Belgian citizens. The preliminary results emphasise the diversity of knowledge, attitudes and opinions on Belgian federalism and highlight the contrast between these perceptions and preferences and the federal reality of Belgium as well as its possible evolution. [less ▲]

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See detailGoodness-of-fit tests for censored regression based on artificial data points
González Manteiga, Wenceslao; Heuchenne, Cédric ULg; Sánchez Sellero, Cesar

Report (2008)

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See detailSchuld und Scham - shame and guilt
Pontzen, Alexandra ULg; Preußer, Heinz-Peter

Report (2008)

Detailed reference viewed: 16 (0 ULg)
See detailCentre Pilote wallon des Céréales et Oléo-Protéagineux (CePiCOP)
Vancutsem, Françoise ULg; Monfort, Bruno; Cartrysse, Christine et al

Report (2008)

Detailed reference viewed: 3 (1 ULg)
See detailEnhancement of the poly/mono growth rate ratio for BiCMOS application
Nguyen, Ngoc Duy ULg; Loo, Roger

Report (2008)

Detailed reference viewed: 7 (0 ULg)
See detailLes rencontres du CEA en 2007
Van Ruymbeke, Muriel ULg

Report (2008)

Detailed reference viewed: 8 (0 ULg)
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See detailRapport 1 (comité de thèse)
Zirbes, Lara ULg

Report (2008)

Detailed reference viewed: 6 (2 ULg)
See detailElaboration of a PK/PD model of tiludronate in horses: a preliminary study
Delguste, Catherine ULg; Doucet, M; Lepage, O et al

Report (2008)

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See detailModel-Based Multifactor Dimensionality Reduction for detecting interactions in high-dimensional genomic data.
Calle, M L; Urrea, V; Vellalta, G et al

Report (2008)

Detailed reference viewed: 19 (0 ULg)
See detailLe questionnaire d'autodiagnostic : Note méthodologique
Crutzen, Nathalie ULg

Report (2007)

Detailed reference viewed: 41 (5 ULg)
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See detailEnquête auprès des jeunes Liégeois – 2007 : Intérêt politique, participation, sentiments d'appartenances et rôle de l'État
Fournier, Bernard ULg; Pironet, Alexia; Reuchamps, Min ULg

Report (2007)

In February and March 2007, we passed a survey on 1437 students from different schools in Liège, Belgium. This research is a replication of a research done in the same schools – but one – in 1990 by one ... [more ▼]

In February and March 2007, we passed a survey on 1437 students from different schools in Liège, Belgium. This research is a replication of a research done in the same schools – but one – in 1990 by one of us. However, several questions were added to the 2007 questionnaire in order to apprehend the new dimensions that we developed over the last 17 years. The results which are presented here are only preliminary; further analyses are being undertaken. More sophisticated statistical methods are used to explore the two databases. [less ▲]

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See detailMechanical based circular notch hinge design
Merken, Patrick; Smal, Olivier; Debongnie, Jean-François ULg et al

Report (2007)

At the microscale, classical bearings such as ball bearings, sliding bearings and other pivots may be difficult to manufacture. Among all possible solutions to replace them, the notch hinge seems to be ... [more ▼]

At the microscale, classical bearings such as ball bearings, sliding bearings and other pivots may be difficult to manufacture. Among all possible solutions to replace them, the notch hinge seems to be very attractive through its many advantages. The major limitation is on the rotation angle. This paper presents a new simplified analytical model for the prediction of the maximum angular displacement and the angular stiffness of a notch hinge. To validate our model, an experimental set-up has been developed. Finally, the results are compared to other theories. [less ▲]

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See detailEtude d'impact de la MTR en Région wallonne
Delille, Nicolas ULg

Report (2007)

Detailed reference viewed: 10 (3 ULg)
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See detailRetirement and cognitive reserve: a stochastic frontier approach applied to survey data
Adam, Stéphane ULg; Bonsang, Eric; Germain, Sophie ULg et al

Report (2007)

This paper proposes the use of the stochastic frontier approach to analyse the relationship between cognitive performance, retirement and non-professional activities of the 50+ individuals using data from ... [more ▼]

This paper proposes the use of the stochastic frontier approach to analyse the relationship between cognitive performance, retirement and non-professional activities of the 50+ individuals using data from three surveys conducted in Europe (the Survey on Health, Ageing and Retirement in Europe and the English Longitudinal Survey on Ageing) and United States (the Health and Retirement Study). Next to the strong relationship between cognitive performance, age and education, this study highlights the negative effect of retirement and the positive impact of non-professional activities and social contacts. [less ▲]

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See detailConvergence of the generalized-alpha scheme for constrained mechanical systems
Arnold, Martin; Bruls, Olivier ULg

Report (2007)

Detailed reference viewed: 42 (4 ULg)
See detailProtection des eaux de surface contre les transferts diffus de produits phytosanitaires. Rapport final.
Magnard; Bodson, Bernard ULg; Goffart, J.-P. et al

Report (2007)

Detailed reference viewed: 22 (7 ULg)
See detailCentre Pilote wallon des Céréales et Oléo-Protéagineux (CePiCOP)
Vancutsem, Françoise ULg; Monfort, Bruno; Cartrysse, Christine et al

Report (2007)

Detailed reference viewed: 5 (1 ULg)
See detailHeavy n-type doping of SiGe for SIMS calibration
Nguyen, Ngoc Duy ULg

Report (2007)

Detailed reference viewed: 4 (0 ULg)
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See detailInforme de investigación (misión de septiembre 2005 a abril 2006): Los usos del territorio en la Vía Parque Isla de Salamanca (Colombia), un diagnóstico para el desarrollo ecoturístico.
Escobar Jimenez, Kelly ULg

Report (2006)

Analizar las posibilidades que existen en un Espacio Habitado de Alto Valor Ecológico (EHAVE) para proponer el ecoturismo como un tipo de desarrollo sostenible y participativo y como una forma de ... [more ▼]

Analizar las posibilidades que existen en un Espacio Habitado de Alto Valor Ecológico (EHAVE) para proponer el ecoturismo como un tipo de desarrollo sostenible y participativo y como una forma de valorización de la naturaleza y la cultura, requiere de un diagnóstico de los usos ancestrales y contemporáneos que las poblaciones locales hacen en el territorio. En la Vía Parque Isla de Salamanca las prácticas y los saberes de las poblaciones locales y de otros actores involucrados en el manejo del territorio pueden estar relacionadas o ir contraposición con la utilización turística del lugar, es por esta razón que intentamos conocerlas y mirar sus potencialidades culturales, sociales e institucionales, así como, analizar los escenarios de negociación y conflicto a los que se enfrenta un pretendido uso eco turístico del lugar. En este artículo se identifican tres usos del territorio que compiten con el uso turístico: subsistencia, investigación-conservación y explotación económica, cada uno de ellos es descrito y alternativamente relacionado con las actividades turísticas que se presentan en diferentes escenarios del parque natural que también son explicadas al detalle en la última sección del texto. [less ▲]

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See detailInforme de investigación (misión del 15 septembre 2005 al 15 avril 2006): los actores institucionales de la Vía Parque Isla de Salamanca en Colombia
Escobar Jimenez, Kelly ULg

Report (2006)

Los actores institucionales de un área protegida intervienen en su manejo, conservación, valorización y utilización por medio de acuerdos y disposiciones legales a nivel internacional, nacional, regional ... [more ▼]

Los actores institucionales de un área protegida intervienen en su manejo, conservación, valorización y utilización por medio de acuerdos y disposiciones legales a nivel internacional, nacional, regional y local. En este artículo se analizan las prácticas y discursos de la naturaleza que poseen los AI de la VIPIS con el fin de contribuir en primer lugar, a buscar el equilibrio entre las posibilidades de desarrollo turístico y la obligación de conservación del área natural; en segundo lugar, para elaborar un inventario de los esfuerzos inter-institucionales empleados en el manejo de la eco-región; y finalmente para vislumbrar las amenazas y fortalezas que representa esta dimensión en el desarrollo eco turístico de la VIPIS. Nuestra principal inquietud es responder a la pregunta: ¿existe un marco institucional y práctico para conservar y desarrollar el turismo en la VIPIS? esto con el objetivo de definir el entramado institucional en el que entran a actuar los interesados en este desarrollo alternativo del lugar. [less ▲]

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See detailWhat is the Grid ? Tentative Definitions Beyond Resource Coordination
Briquet, Cyril ULg; de Marneffe, Pierre-Arnoul ULg

Report (2006)

Ian Foster’s What is The Grid ? paper gives the generally accepted definition of Grid and Grid computing. While sound, it does not precisely define the involved concepts, which may lead to ... [more ▼]

Ian Foster’s What is The Grid ? paper gives the generally accepted definition of Grid and Grid computing. While sound, it does not precisely define the involved concepts, which may lead to misunderstandings. We propose a tentative set of definitions for Grid, Grid computing and related concepts such as Virtual Organization, Grid resource sharing architectures and policies. Several design parameters are identified, the impact of the resource environment is analysed and effective combinations of design parameters are reviewed. [less ▲]

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See detailParticipation sociale et politique des immigrés en Belgique : le cas de Visé-Cheratte
Le Texier, Emmanuelle; Martiniello, Marco ULg

Report (2006)

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See detailElaboration d’une méthodologie d’évaluation du risque de défaillance d’une entreprise : Le modèle de « l’index de déséquilibre »
Van Caillie, Didier ULg

Report (2006)

This paper presents an original methodology based on the "Balanced ScoreCard Model", allowing to estimate business failure risk from financial statements published by private firms.

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See detailOccupational Activities and Cognitive Reserve: a Frontier Approach Applied to the Survey on Health, Ageing, and Retirement in Europe (SHARE)
Adam, Stéphane ULg; Bonsang, Eric; Germain, Sophie ULg et al

Report (2006)

The aim of this paper was to use a parametric stochastic frontier approach (coming from the economic literature) to explore the impact of the concept of activity (taken in a broad sense: i.e., including ... [more ▼]

The aim of this paper was to use a parametric stochastic frontier approach (coming from the economic literature) to explore the impact of the concept of activity (taken in a broad sense: i.e., including both professional and non-professional activities) on the constitution and the care of cognitive reserve among the European population aged 50 and up. For this purpose, we use individual data collected during the first wave of SHARE (Survey on Health, Ageing and Retirement in Europe) performed in 2004. The advantages of this survey were (1) it included a large population (n = 18,623) geographically distributed throughout Europe; and (2) it simultaneously analyzed several dimensions (physical and mental health, mobility, occupational activities, socioeconomic status, etc.). Our results confirm the positive impact of occupational activities on the cognitive functioning of elderly people. These results are discussed in terms of the prevention of cognitive aging and Alzheimer’s disease, and more particularly of retirement policy issues. [less ▲]

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See detailLa dissuasion nucléaire française : paramètres doctrinaux, politiques et techniques. Révolution ou inflexion de la stratégie en post-guerre froide (1990-2006) ?
Dumoulin, André ULg

Report (2006)

Ce rapport édité par le Département de science économique de l'Ecole royale militaire (Bruxelles) analyse l'évolution de la stratégie nucléaire française entre 1990 et 2006 du point de vue doctrinal ... [more ▼]

Ce rapport édité par le Département de science économique de l'Ecole royale militaire (Bruxelles) analyse l'évolution de la stratégie nucléaire française entre 1990 et 2006 du point de vue doctrinal, politique et idéologique. [less ▲]

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See detailEvaluation de la mesure "Prairie de haute valeur biologique - MAE8" en région agricole Fagne-Famenne
Rouxhet, Serge ULg; Walot, Thierri

Report (2006)

Durant l'été 2006, l'évaluation a été axée uniquement sur la mesure agri-environnementale "méthode 8 - prairie de haute valeur biologique" en région agricole Fagne-Famenne. Un échantillon de 43 parcelles ... [more ▼]

Durant l'été 2006, l'évaluation a été axée uniquement sur la mesure agri-environnementale "méthode 8 - prairie de haute valeur biologique" en région agricole Fagne-Famenne. Un échantillon de 43 parcelles au sein de 34 exploitations a été évalué. [less ▲]

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See detailCentre Pilote wallon des Céréales et Oléo-Protéagineux (CePiCOP)
Vancutsem, Françoise ULg; Monfort, Bruno; Cartrysse, Christine et al

Report (2005)

Detailed reference viewed: 6 (0 ULg)