References of "Unpublished conference/Abstract"
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See detailTreatment for patients with disorder of consciousness
Thibaut, Aurore ULiege

Conference (2013, June)

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See detailA micro-model of the intra-laminar fracture in fiber-reinforced composites based on a discontinuous Galerkin/extrinsic cohesive law method
Wu, Ling ULiege; Tjahjanto, Denny; Makradi, Ahmed et al

Conference (2013, June)

The hybrid discontinuous Galerkin (DG)/extrinsic cohesive law (ECL) method was recently proposed [1] to circumvent the drawbacks of the cohesive element methods. With the DG/ECL method, prior to fracture ... [more ▼]

The hybrid discontinuous Galerkin (DG)/extrinsic cohesive law (ECL) method was recently proposed [1] to circumvent the drawbacks of the cohesive element methods. With the DG/ECL method, prior to fracture, the flux and stabilization terms arising from the DG formulation at interelement boundaries are enforced via interface elements in a way that guarantees consistency and stability, contrarily to traditional extrinsic cohesive zone methods. At the onset of fracture, the traction–separation law (TSL) governing the fracture process becomes operative without the need to modify the mesh topology since the cohesive elements required to integrate the TSL are already present. This DG/ECL method has been shown to be an efficient numerical framework that can easily be implement in parallel with excellent scalability properties to model fragmentation, dynamic crack propagation in brittle and small-scale yielding materials, both for 3D problems and for thin structures [1, 2]. In this work, following the developments in [3], the DG/ECL method is extended to the study of composite materials failures at the micro-scale. The method is applied to study the transverse traction of composite materials in characteristic micro-volumes of different sizes. The method captures the debonding process, assimilated to a damaging process before the strain softening onset. It is shown that the density of dissipated energy resulting from the damage (debonding) remains the same for the different studied cell sizes. During the strain softening phase, a micro-crack initiates and propagates, in agreement with experimental observations. After strain softening onset, the extracted macroscale cohesive law, obtained by the method proposed in [4], is ultimately shown to converge for the different cell sizes. The predicted behaviors are then compared to experimental results obtained from laminate tests, and are found to be in good agreement. [less ▲]

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See detailNon-local multiscale analyzes of composite laminates based on a damage-enhanced mean–field homogenization formulation
Wu, Ling ULiege; Noels, Ludovic ULiege; Adam, Laurent et al

Conference (2013, June)

Properties of carbon fiber reinforced epoxy laminates are studied using an anisotropic gradient–enhanced continuum damage model embedded in a mean–field homogenization (MFH) procedure. The fibers are ... [more ▼]

Properties of carbon fiber reinforced epoxy laminates are studied using an anisotropic gradient–enhanced continuum damage model embedded in a mean–field homogenization (MFH) procedure. The fibers are assumed to remain elastic, and the matrix material obeys an elasto–plastic behavior enhanced by the proposed damage model. The resulting multi– scale model is then applied to study the damage process at the meso–scale of laminates, and in particular the damaging of plies in a composite stack. By using the gradient–enhanced continuum damage model, the problem of losing uniqueness and strain localization, which happens in classical finite element simulations when strain softening of materials is involved, is avoided. As a demonstration a stack with a hole is studied and it is shown that the model predicts the damaging process in bands oriented with the fiber directions, accordingly to the conducted experimental results. [less ▲]

Detailed reference viewed: 64 (2 ULiège)
See detailFactor complexity of S-adic sequences
Leroy, Julien ULiege

Conference (2013, June)

Detailed reference viewed: 7 (2 ULiège)
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See detailTowards a comprehensive framework for the assessment of groundwater drought in temperate regions
Tsakiris, Georges; Nalbantis, Ioannis; Vangelis, Harris et al

Conference (2013, June)

Detailed reference viewed: 17 (1 ULiège)
Peer Reviewed
See detailThe amylolysin from Bacillus amyloliquefaciens GA1
Fickers, Patrick ULiege

Conference (2013, June)

Detailed reference viewed: 19 (3 ULiège)
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See detailDe l’expérimentation à la modélisation des propriétés hygrothermiques de parois isolées en paille
Louis, Arnaud ULiege; Evrard, Arnaud; Biot, Benjamin et al

Conference (2013, May 31)

First results of aPROpaille project are presented. The goal of this project is to improve the knowledge about hygrothermal performances of walls in which thermal insulation is mainly provided by straw ... [more ▼]

First results of aPROpaille project are presented. The goal of this project is to improve the knowledge about hygrothermal performances of walls in which thermal insulation is mainly provided by straw. Besides an overall properties characterization of straw and two types of earth plaster, a series of tests was performed to determine the hygrothermal properties of these materials: porosity, sorption curve, water vapour diffusion, capillary absorption, total water absorption, specific heat and thermal conductivity. The determination of these parameters required sometimes the implementation of unusual protocols or unreleased materials. Numerical simulations based on the properties defined in the test campaign are also presented. Results clearly point out the influence of the type of plaster and the orientation of fibres into straw bale. [less ▲]

Detailed reference viewed: 66 (10 ULiège)
See detailLocal acceptance of windmills and lessons learned for nuclear projects
Rossignol, Nicolas ULiege; Schröder, Jantinne

Conference (2013, May 31)

Detailed reference viewed: 46 (2 ULiège)
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See detailThe Peasants in Turmoil: State Formation, Power and the Control of Land in the Northwest Cambodia
Diepart, Jean-Christophe ULiege; Dupuis, David

Conference (2013, May 31)

Detailed reference viewed: 48 (1 ULiège)
Peer Reviewed
See detailValue of PCR in the diagnosis of Group B Streptococcus (GBS) neonatal infection
PIERART, Julie ULiege

Conference (2013, May 31)

Detailed reference viewed: 28 (3 ULiège)
See detailLa finestra in De Roberto, Pirandello e Borgese
de Seta, Ilaria ULiege

Conference (2013, May 31)

Detailed reference viewed: 21 (1 ULiège)
See detailUsagers de l'eau et citoyens, acteurs d'une gestion intégrée des ressources en eau.
Rosillon, Francis ULiege

Conference (2013, May 30)

Après avoir défini la notion d’intégration environnementale et sociale dans le domaine de l’eau, nous verrons comment les usagers locaux et des citoyens peuvent intervenir dans ce domaine. Ceux-ci sont ... [more ▼]

Après avoir défini la notion d’intégration environnementale et sociale dans le domaine de l’eau, nous verrons comment les usagers locaux et des citoyens peuvent intervenir dans ce domaine. Ceux-ci sont invités à apporter leur contribution en vue d’une gestion intégrée des ressources et des milieux aquatiques à travers des approches participatives comme les contrats de rivière. Des exemples de pratiques locales à l’échelle de sous-bassin ou de masse d’eau seront présentés en lien avec l’application de la directive (européenne) cadre eau. Enfin, le caractère universel d’une démarche intégrée et participative nous conduira vers quelques applications du modèle wallon de contrat de rivière dans les pays en développement. [less ▲]

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See detailPrise en charge de l'hyperuricémie
Krzesinski, Jean-Marie ULiege

Conference (2013, May 30)

Plan du diaporama : •Métabolisme de l’acide urique •Risques de l’hyperuricémie•Goutte •Autres •Traitements •De la crise aiguë •De fond •Hyperuricémie asymptomatique •Cas cliniques

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See detailProblématiser les rapports entre extrême droite, médias et démocratie : les pistes de la médiation
Devresse, Jenifer ULiege

Conference (2013, May 30)

Cette communication s'inscrit dans le cadre d'une recherche doctorale en cours, intitulée "L'extrême droite dans l'espace public: le Front National français médiat(is)é". Il s'agit ici d'explorer et de ... [more ▼]

Cette communication s'inscrit dans le cadre d'une recherche doctorale en cours, intitulée "L'extrême droite dans l'espace public: le Front National français médiat(is)é". Il s'agit ici d'explorer et de discuter quelques fondements méthodologiques de ma recherche, en particulier la notion de "médiation" en tant qu'elle permettrait de problématiser les rapports entre extrême droite, médias et démocratie. [less ▲]

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See detailPrevalence of nowhere analytic functions
Esser, Céline ULiege

Conference (2013, May 30)

Detailed reference viewed: 50 (11 ULiège)
Peer Reviewed
See detailRéflexions sur la constitution d'un corpus nécessairement hétérogène
Hurel, Pierre-Yves ULiege

Conference (2013, May 30)

Comment aborder la participation dans les récits interactifs ? Afin d'apporter quelques éléments de réponse à cette vaste question, nous commencerons par définir l'objet « récit interactif » en le ... [more ▼]

Comment aborder la participation dans les récits interactifs ? Afin d'apporter quelques éléments de réponse à cette vaste question, nous commencerons par définir l'objet « récit interactif » en le comparant au courant plus connu des narrations émergentes. Cela nous permettra de montrer que les objets induisent une certaine idée de leur public et, en conséquence, de la participation. Nous passerons ensuite en revue quatre questions qui nous semblent essentielles dans le cadre d'une recherche sur ce sujet : Quelles sont les caractéristiques fondamentales de la participation ? Quelle est la place effective du public ? Comment cette place lui est présentée ? Quelles sont les prédispositions du public ? [less ▲]

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See detailA LATERAL SENSOR FOR THE ALIGNMENT OF TWO FORMATION-FLYING
Roose, Stéphane ULiege; Stockman, Yvan ULiege

Conference (2013, May 30)

The coarse lateral sensor is a system able to measure the lateral position between two satellites. It bridges the gap between the alignment accuracy achieved with the radio frequency metrology, and the ... [more ▼]

The coarse lateral sensor is a system able to measure the lateral position between two satellites. It bridges the gap between the alignment accuracy achieved with the radio frequency metrology, and the alignment accuracy required the highprecision optical metrology (fine-lateral and longitudinal sensor). The coarse lateral sensor developed at Centre Spatial de Liège (CSL) is a standalone unit. Once connected to an unregulated 28V power-supply, it delivers, the lateral position of a corner cube retro-reflector (within an angle of 10 arcdeg and from 25 to 250 m) and tracks this position at a rate of 10 Hz. The system is operational with the sun in its fieldof- view. Real time centroidisation algorithms allow tracking the image position and feed the on-board computer with this information via a RS422 link, allowing further position stabilization. The coarse lateral sensor has successfully undergone thermal qualification (40°C and -30 °C), and vibration test (high-level sinus, random and shock test in the 3– axis). [less ▲]

Detailed reference viewed: 121 (2 ULiège)
See detailLa forêt vue du ciel ou comment quantifier la ressource forestière par LiDAR
Bonnet, Stéphanie ULiege

Conference (2013, May 30)

Présentation basée sur le principe du Pecha Kucha

Detailed reference viewed: 40 (11 ULiège)
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See detailHigher symmetries of the conformal Laplacian
Radoux, Fabian ULiege

Conference (2013, May 29)

Detailed reference viewed: 9 (1 ULiège)
See detailTernary LLE for systems composed of Biofuel Blends and Water
Pirard, Sophie ULiege; Dechambre, Dominique; Greiner, Lasse et al

Conference (2013, May 29)

Detailed reference viewed: 27 (0 ULiège)
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See detailThe evaluation of singing voice accuracy: How tolerant are we?
Larrouy, Pauline ULiege; Blanckaert, Ellen; Morsomme, Dominique ULiege

Conference (2013, May 28)

The evaluation of the singing voice accuracy is partly based on the precision of the intervals between the tones of a sung performance. This study aims to observe the listeners’ tolerance when judging ... [more ▼]

The evaluation of the singing voice accuracy is partly based on the precision of the intervals between the tones of a sung performance. This study aims to observe the listeners’ tolerance when judging melodies in order to properly evaluate the singing voice accuracy in a melodic context For this purpose, an interval contained in familiar and unfamiliar sung performances was manipulated in two directions (compression and enlargement from 10 to 60 cents). This material was presented through the method of limits procedure to 30 non-musicians. They were asked to define whether the melodies proposed were “in tune” or “out of tune” in a test and a retest. The accuracy thresholds for compression and enlargement errors as well as the tolerance zone were computed. The results showed that participants were consistent in their evaluation between the test and the retest. The tolerance zone (M = 42 cents, ES = 1.60) was not affected by the familiarity of the melody. Concerning the accuracy thresholds, participants were more tolerant when the interval was compressed (M = 25.68 cents, ES = .1.34) than when it was enlarged (M = 16.32 cents, ES = .91), for the familiar (t(30) = 4.94, p < .001) and non familiar melody (t(30) = 3.27, p = .003). This study highlights the ability of non-musicians to evaluate familiar and unfamiliar melodies with a similar tolerance. Furthermore, the error direction is relevant in perceptive rating and should be taken into account when defining a sung performance as “in tune” or “out of tune”. [less ▲]

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See detailHygrothermal behavior modeling of different Lime-Hemp Concrete mixes
Dubois, Samuel ULiege; Lebeau, Frédéric ULiege

Conference (2013, May 28)

This paper studies the specific hygrothermal behavior of Lime-Hemp concretes through analysis of non-linear coupled heat and moisture transfer using a research model. Three compositions were studied ... [more ▼]

This paper studies the specific hygrothermal behavior of Lime-Hemp concretes through analysis of non-linear coupled heat and moisture transfer using a research model. Three compositions were studied, varying the type of binder. First Moisture Buffer Value determination tests are lead experimentally using the NORDTEST protocol. These dynamic experiments, which reveal the moisture storage and exchange capacity together with latent heat effects, are then modeled using a set of partial differential equations. The reduction of humidity buffering capacity induced by hydraulic binder incorporation is properly evaluated and the hygrothermal parameters can be assessed by inverse modeling. [less ▲]

Detailed reference viewed: 119 (23 ULiège)
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See detailHigh-Performance Work Systems and Well-Being: Mediating role of Work-Home Interference
Babic, Audrey ULiege; STINGLHAMBER, Florence; Hansez, Isabelle ULiege

Conference (2013, May 28)

Detailed reference viewed: 36 (11 ULiège)
Peer Reviewed
See detailPavé-pelle-machette. Faut-il voir des films pour faire du cinéma (qui pense)?
Hamers, Jérémy ULiege

Conference (2013, May 28)

Detailed reference viewed: 17 (1 ULiège)
See detailCan you resist the influence of others? Altercentrism, egocentrism and interpersonal personality traits
Bukowski, Henryk; Courtain, Audrey ULiege; Samson, Dana

Conference (2013, May 28)

As egocentric individuals, we spontaneously rely on our own knowledge and feelings when thinking about others. However, we are also altercentric individuals since our knowledge and feelings can be biased ... [more ▼]

As egocentric individuals, we spontaneously rely on our own knowledge and feelings when thinking about others. However, we are also altercentric individuals since our knowledge and feelings can be biased by what someone else (we think) is thinking. This study aimed to document the presence of egocentrism and particularly altercentrism and their potential relations to personality traits. One hundred participants completed a visual perspective-taking task optimised to measure both egocentric and altercentric biases. We further tested the presence of altercentrism in a task where participants had to make finger movements while inhibiting the imitation of someone else’s finger movements.This latter relatively simple and low-level altercentric interference measure correlated with participants’ altercentric interference in the visual perspective-taking task. I will describe how egocentrism and altercentrism propensities are distributed across individuals and how they relate to various interpersonally relevant personality traits (such as narcissism, machiavelism, and dispositional empathy). [less ▲]

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See detailImpact of benevolent sexism on assessment of dangerousness by novice and expert policemen: a study by eye tracking
Blavier, Adelaïde ULiege; Cardyn, Perrine; Gelon, Emilie et al

Conference (2013, May 28)

Our aim was to study how professional expertise may influence both visual perception of a scene and verbal judgment and how these 2 components interact and are influenced by benevolent sexism attitude. We ... [more ▼]

Our aim was to study how professional expertise may influence both visual perception of a scene and verbal judgment and how these 2 components interact and are influenced by benevolent sexism attitude. We studied how stereotype (here, benevolent sexism) influences both the eye movements and the verbal judgment according to the expertise. 3 groups of subjects (10 expert policemen-policewomen, 10 novice policemen-policewomen and 10 control subjects) answered to ASI questionnaire and assessed dangerousness of 15 images of domestic violence (individually and randomly presented). Eye movements were recorded while subjects looked at the domestic violence images. Our results showed the more benevolent sexist are the subjects (particularly the women), the more they looked at the victim and the lower they assessed the dangerousness. Moreover, novices answered more slowly and assessed ambiguous situations as more dangerous than experts. The differences between novices and experts were more important for women than for men, suggesting that professional experience has a stronger impact on women than men. Our findings confirm our main hypothesis suggesting sexism influences the visual analysis of a scene and thus the judgment attributed to the scene. Moreover, it seems professional experience does not modify the stereotype, particularly for benevolent sexist men. The discussion of all our results emphasizes their implication for a better understanding of our visual cognitive system (particularly the interaction between low-level visual analysis by eye movements and verbal judgment) and for the training of policemen (by taking into account the importance of their stereotype in complex interventions). [less ▲]

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See detailLe système social belge. Résilience et résistance à la globalisation d'un néo-corporatisme consociatif.
Verjans, Pierre ULiege

Conference (2013, May 27)

L'évolution du système social belge témoigne de la capacité à la fois de résilience des institutions et des acteurs face à la globalisation et de la résistance de ces mêmes institutions et acteurs aux ... [more ▼]

L'évolution du système social belge témoigne de la capacité à la fois de résilience des institutions et des acteurs face à la globalisation et de la résistance de ces mêmes institutions et acteurs aux contraintes du nouveau système de production. L'évolution des dernières décennies et les mouvements de ces dernières années permettent d'illustrer que le modèle de l'Etat social actif est défendu par les partis de gauche flamands et par le parti de droite francophone tandis que le modèle néo-libéral est prôné par les partis de droite flamands et que le maintien tant que faire se peut d'un système social est défendu par les partis de gauche en Wallonie. Une tension supplémentaire dans le système social et politique, donc. [less ▲]

Detailed reference viewed: 71 (12 ULiège)
Peer Reviewed
See detailThe Rewriting Ethos of Vertigo Comics, or, Critical Perspectives on Memory-Making, Canonization, and the Logic of Fields
Dony, Christophe ULiege

Conference (2013, May 25)

Vertigo, DC’s adult-oriented imprint, is often praised for having “fully joined the fight for adult readers” in the early 1990s (Weiner 2010: 10). Yet, little attention has been devoted to how this ... [more ▼]

Vertigo, DC’s adult-oriented imprint, is often praised for having “fully joined the fight for adult readers” in the early 1990s (Weiner 2010: 10). Yet, little attention has been devoted to how this “fight” has been played out. My contention is that Vertigo may have “redefined” the comics medium in developing a specific poetics which can be subsumed, albeit perhaps reductively, under the idea of “rewriting.” Intertextual strategies indeed pervade the Vertigo catalogue. The core titles that launched the label in the early 1990s (The Sandman, Animal Man, Swamp Thing, Hellblazer, Shade The Changing Man, and Doom Patrol), for example, are all critical transformations of characters from the DC universe. Other series such as Fables and Preacher critically engage with the revision and challenging of certain genres such as the Western or the fairy-tale. Yet other Vertigo narratives such as Uncle Sam, The Nobody, and Greendale rewrite and reinvent existing icons, stories, and cultural artefacts. This “rewriting ethos” seems pivotal to Vertigo’s development of a critical discourse on the history of the medium, to comics’ renewed perception and search for legitimacy. In exploring the specificities and implications of these intro- and retrospective discourses, I would like to show that Vertigo participates in a logic of commemoration and canon-making. More specifically, I would like to argue that Vertigo has used strategies of rewriting to support a distinctive agenda in the field of comics historiography, acquire “symbolic capital” (honor, prestige) and thereby possibly create a canon of its own which 1. undermines the dynamics of power relations structuring the field of American comics and 2. challenges Thierry Groensteen’s claim that comics is an “art without memory” that “gladly cultivates amnesia” (2006: 67, my translation). [less ▲]

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See detailQuel suivi pour le grand prématuré après la néonatologie ?
VIELLEVOYE, Renaud ULiege

Conference (2013, May 25)

Detailed reference viewed: 68 (19 ULiège)
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See detailBelgium’s ordinary landscapes seen by Belgians
Vanderheyden, Vincent ULiege

Conference (2013, May 24)

Detailed reference viewed: 28 (8 ULiège)
Peer Reviewed
See detail"Sound & Disgust"
Delville, Michel ULiege; Norris, Andrew

Conference (2013, May 24)

Detailed reference viewed: 18 (2 ULiège)
See detailLight as a modulator of cognitive brain functions
Vandewalle, Gilles ULiege

Conference (2013, May 24)

Detailed reference viewed: 11 (1 ULiège)
Peer Reviewed
See detailConclusions
Delville, Michel ULiege; Von Hoffmann, Viktoria ULiege; Norris, Andrew

Conference (2013, May 24)

Detailed reference viewed: 12 (0 ULiège)
Peer Reviewed
See detailDes barricades au no man’s land. Paris et la guérilla urbaine de la RAF
Hamers, Jérémy ULiege

Conference (2013, May 24)

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See detailEstablishing Reference Systems on Soil Quality: Example of the “ReQuaSud” Laboratory Network in Wallonia – Belgium
Colinet, Gilles ULiege; Renneson, Malorie ULiege; Genot, Valérie ULiege et al

Conference (2013, May 24)

Soil quality is a central concern regarding sustainable multifunctionnality of cultivated and natural territories : food and non-food biomass production, environmental and ecosystemic services… Quality ... [more ▼]

Soil quality is a central concern regarding sustainable multifunctionnality of cultivated and natural territories : food and non-food biomass production, environmental and ecosystemic services… Quality indicators and reference levels are needed in order to evaluate the state of the soil resources from a given land, for land-use planning or and to detect any temporal evolution. Our department has been involved for years in the implementation of substantial databases about soil quality in the Walloon region. The communication aims at sharing our experience in the establishment of soil evaluation references and tools, geographic databases, time monitoring, analysis networking, applied to the questions of soil fertility and soil contaminations. The Requasud network is a regional initiative aiming at harmonizing the methods for soil sampling, analysis, and interpretation. We will present how 20 years of applied research led to the sound implementation of a dataset of more than 200,000 samples in cultivated fields all across Wallonia, and where are the remaining questions and needs for future research. Discussions should then focus to comparisons with the situations encountered by the participants to the Workshop. [less ▲]

Detailed reference viewed: 50 (5 ULiège)
See detailEtudier la gouvernance locale dans le contexte de la conservation de la nature au Sri Lanka
Rosillon, Caroline ULiege

Conference (2013, May 24)

Cette communication se centre sur les premiers résultats d’un travail de terrain mené au sein d’une ONG locale de conservation et de développement au Sud du Sri Lanka. Il y est question essentiellement de ... [more ▼]

Cette communication se centre sur les premiers résultats d’un travail de terrain mené au sein d’une ONG locale de conservation et de développement au Sud du Sri Lanka. Il y est question essentiellement de mettre en lumière les mécanismes de « gouvernance locale » à l’œuvre dans ce projet. J’avance donc dans cet article quelques éléments permettant d’appréhender la manière dont l’ONG prend place dans l’arène locale aux côtés de multiples micro-institutions de développement et la façon dont elle agit sur les structures sociales locales. Finalement, je considére brièvement les relations complexes qui peuvent exister entre les diverses instances de gouvernance environnementale dans la région étudiée. [less ▲]

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See detailL'Epargne sanguine en Chirurgie Cardio-vasculaire et Thoracique
ERPICUM, Marie ULiege

Conference (2013, May 24)

Detailed reference viewed: 63 (26 ULiège)
See detailGros goûts et dégoût dans l'Histoire de ma vie de Casanova
Tilkin, Françoise ULiege

Conference (2013, May 24)

Detailed reference viewed: 17 (2 ULiège)
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See detailPractical teaching of GIS at University of Liège
Kasprzyk, Jean-Paul ULiege

Conference (2013, May 24)

Detailed reference viewed: 15 (3 ULiège)
See detailLand availability and housing development: the case of Wallonia
Halleux, Jean-Marie ULiege; Strée, Julie ULiege

Conference (2013, May 24)

Detailed reference viewed: 21 (2 ULiège)
Peer Reviewed
See detailOn Disgust and the Curse of Matter
Delville, Michel ULiege

Conference (2013, May 23)

Detailed reference viewed: 12 (0 ULiège)
Peer Reviewed
See detailIntroduction
Delville, Michel ULiege; Von Hoffmann, Viktoria ULiege; Norris, Andrew

Conference (2013, May 23)

Detailed reference viewed: 19 (5 ULiège)
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See detailPrévalence et déterminants de l’isolement social chez les personnes de 65 ans et plus en Belgique
Maggi, Patrick ULiege; Delye, Samuel ULiege; Vermeulen, Bram et al

Conference (2013, May 23)

Detailed reference viewed: 302 (22 ULiège)
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See detailAnalysis of Soils in Agriculture and Archaeology by NIR Hyperspectral Imaging
Fernandez Pierna, Juan Antonio; Vincke, Damien; Eylenbosch, Damien ULiege et al

Conference (2013, May 23)

Detailed reference viewed: 108 (14 ULiège)
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See detailNon-industrial seeds in search of qualification
Hecquet, Corentin ULiege

Conference (2013, May 23)

The aim of this paper is to summarize the current state of knowledge about non-industrial seed production in order to refine my research question. The idea is to understand how and on what foundations ... [more ▼]

The aim of this paper is to summarize the current state of knowledge about non-industrial seed production in order to refine my research question. The idea is to understand how and on what foundations equivalences between seeds and are established and to compare this with the same processes for industrially produced seeds. I shall end by presenting some empirical cases that will enable me to cover my question. [less ▲]

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See detailNíveis de pertinência da repetição: a noção de figura e fundo e a linearidade do significante
Lindenberg Lemos, Carolina ULiege

Conference (2013, May 23)

En demeurant sur les éléments répétitifs des textes, nous seront parfois confrontés à une montée de tension qui semble être liée précisément à cette répétition. Le fait même de l'insistance dans un seul ... [more ▼]

En demeurant sur les éléments répétitifs des textes, nous seront parfois confrontés à une montée de tension qui semble être liée précisément à cette répétition. Le fait même de l'insistance dans un seul élément concentre progressivement les contenus présents dans un centre à chaque fois plus compact. En d'autres termes, une relation d'attente est établie entre le sème duratif d'un procès et le sème terminatif (Greimas & Courtés, 1993: 388). D'autres répétitions, par contre, ne produisent pas ces mêmes impactes. Nous les prenons pour naturelles, et quelques fois pour un élément de cohésion, mais rien de surprenant. Cette hésitation entre les différentes valeurs liées au même mécanisme syntactique nous a amené à la question du niveau de pertinence de la répétition pour les effets observés. Les niveaux d'analyse linguistique selon Benveniste (1995: 127 et ss.) ne se sont pas prouvés productifs, vu que les répétitions dans un même niveau sont parfois pertinentes et parfois pas. Cela peut se vérifier, par exemple, dans l'analyse des rimes d'un poème comme « The raven » de Allan Poe, où la réitération sonore est créatrice de tension. En contraste, les rimes du sonnet 130 de Shakespeare « My mistress' eyes are nothing like the sun » sont aussi signifiantes, mais ne portent pas le même genre de tension. La différence semble demeurer dans le degré saillant de la répétition, c'est-à-dire, si elle est présentée en premier plan ou en arrière-plan. Pour expliciter cette relation, nous faisons appelle à la notion de figure et de fond dans les termes où elle a été incorporée en linguistique (Talmy, 2000; Cadiot & Visetti, 2001). Nous verrons donc que, au delà de la relation spatial présente dans cette notion, elle peut être aussi comprise dans un sens temporel, c'est-à-dire, ce qui a été présenté dans un premier moment comme figure peut passer, dans un deuxième moment, au statut de fond pour une nouvelle figure qui est introduite dans le champ de présence. Cet enchaînement temporel se révèle ainsi essentiel pour l'appréhension de la tension. La linéarité du signifiant apparaît comme une condition pour cet effet, en contraste avec la liberté de lecture des signifiants organisés dans l'espace. Cet exposé propose ainsi d'expliciter la recherche du niveau auquel la répétition devient pertinente pour l'appréhension de la tension en tant qu'effet discursif. Dans ce parcours, nous discuterons, à l'aide d'exemples, l’interaction d'instruments théoriques divers comme la tensivité, la linéarité et la notion figure/fond, pour arriver à une meilleure catégorisation de la position relative de la répétition dans les textes. [less ▲]

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See detailDéfaire le discours d'autorité. Les Physiologies à la limite de l'essai
Stienon, Valérie ULiege

Conference (2013, May 23)

Un siècle après l’essoufflement de la mode panoramique des années 1830-1840, l’emprunt littéraire à la « physiologie » constitue encore un effet de titre pour un essai théorique tel que Physiologie de la ... [more ▼]

Un siècle après l’essoufflement de la mode panoramique des années 1830-1840, l’emprunt littéraire à la « physiologie » constitue encore un effet de titre pour un essai théorique tel que Physiologie de la critique d’Albert Thibaudet. Pourtant, sous la Monarchie de Juillet, le petit genre du même nom, qui présente d’autres caractéristiques formelles et thématiques, n’est pas nettement défini par rapport à une conception et une pratique de l’essai. Au mieux peut-on lui découvrir des parentés significatives avec une certaine écriture journalistique. Les Physiologies se rapprochent en effet de la chronique sous la forme de la notation des faits-Paris et développent une fiction d’actualité féconde en savoir culturel et social. Leur engagement satirique contre le gouvernement en place et leur inscription dans un contexte de vulgarisation scientifique accrue sous l’influence londonienne de la « connaissance utile » ne suffisent pas à apparenter ces Physiologies à de la prose d’idées. Au contraire, elles contournent volontiers les conventions d’écriture du texte d’idées à travers des formes parodiques et déceptives. Il s’agit, de la sorte, d’empêcher le dogmatisme de prendre consistance en oeuvrant contre le discours d’autorité, en particulier scientifique, et contre l’assertivité qui lui est inhérente. Les informations traitées sont non seulement modelées par la distanciation humoristique et la saturation polyphonique, mais elles se trouvent également travaillées en profondeur par la contamination volontaire avec la rhétorique publicitaire dans un contexte de prolifération journalistique de la « réclame ». Le genre physiologique résiste de la sorte aux structures textuelles normatives et assertives d’exposition du savoir. Il ne se les approprie que pour mieux les disqualifier par l’humour et le raisonnement paralogique. Cette caractéristique se traduit par certaines postures discursives récurrentes, en particulier celle du faux spécialiste exhibé comme tel, posture qui consiste à feindre de se rendre ponctuellement expert d’une fraction réduite et caricaturalement recréée de la société, tout en opérant des décrochages réguliers par rapport à cette position énonciative investie d’une autorité. L’étude discursive et générique de tels modes d’expression biaisée du discours d’autorité doit permettre d’éclairer la dynamique d’écriture de l’essai dans les Physiologies parisiennes des années 1830-1840. Cet examen sera orienté par la question des redistributions qui sont ainsi rendues possibles à propos de la frontière entre l’essai-cognitif, caractérisé par une structuration théorique à vocation objectivante, et l’essai-méditation, centré sur une expressivité individualisante de l’instance énonciative. [less ▲]

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See detailAge-related Macular Degeneration Study: A Metabolomics Approach
LAMBERT, Vincent ULiege; Hansen, Sylvain ULiege; Rousseau, Réjanne et al

Conference (2013, May 23)

Age-related macular degeneration (AMD) is a leading cause of vision loss in the western world among people aged 50 or older. 90% of all vision loss due to AMD result from the exudative form, which is ... [more ▼]

Age-related macular degeneration (AMD) is a leading cause of vision loss in the western world among people aged 50 or older. 90% of all vision loss due to AMD result from the exudative form, which is characterized by choroidal neovascularization (CNV). Age-related changes that induce pathologic CNV are incompletely understood. A successful application of anti-VEGF approaches in the clinic is obviously a turning point in AMD treatment. Nevertheless, despite such important advances, critical issues remain to be addressed. To better understand the etiology of this pathology, we have used and improved a model of laser-induced murine choroidal neovascularization. As none is known about the metabolic changes in patients with AMD, we decided to apply a 1H NMR metabolomics approach on AMD patients and on a mice CNV experimental model. This technique is a relatively new branch of « omics » technologies focused on the analysis and measurement of endogenous metabolites. These experiments provide unique challenges to fulfill the goal of improving the current status of physiological information related to metabolome and in general to functional genomics. For this purpose, sera from control and AMD patients, induced and non-induced mice have been collected and the metabolic profiles of these samples were determined by 1H NMR. After post-processing treatments, the different spectra were analyzed by statistical discriminant methodologies (PCA, ICA, PLS-DA). This approach allows the differentiation between control and AMD patients and between laser-induced mice and the control mice group. Moreover, the same discriminating spectral zones, lactate and lipoproteins profil, have been identified in human and mice model, leading to the emergence of different putative biomarkers. In mice model of laser-induced CNV, normalization of circulating lactate by dichloroacetate, decreases CNV development. These first interesting results open new way in the study of the AMD etiology and validate the use of 1H NMR and CNV model for the understanding of Age-related Macular Degeneration. [less ▲]

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See detailStructural confirmation of the French version of the Oldenburg Burnout Inventory (OLBI)
Angenot, Arnaud ULiege; Hansez, Isabelle ULiege

Conference (2013, May 23)

This study refers to the validation of the Oldenburg Burnout Inventory (OLBI) in a Belgian population. Data gathered from nine samples were used. This represented nearly 4000 participants from different ... [more ▼]

This study refers to the validation of the Oldenburg Burnout Inventory (OLBI) in a Belgian population. Data gathered from nine samples were used. This represented nearly 4000 participants from different activity sectors. First, the traditional two-factor structure of the instrument, an alternative two-factor model and a one-factor structure were tested. Stability and generalizability of these models were then investigated using replications across various samples. The final objective was to determine relations between OLBI’s two dimensions and constructs such as positive and negative occupational states, intention to quit, job satisfaction, supervisor’s support and routinization. Confirmatory factor analysis showed that the traditional two-factor model as well as the alternative two-factor structure fits the data better than a one-factor model. Moreover, convergent and discriminant validity assumptions are confirmed. [less ▲]

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See detailElectrospinning for tissue engineering
Aqil, Abdelhafid ULiege; Jérôme, Christine ULiege

Conference (2013, May 22)

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See detailA BAYESIAN PROBABILITY CRITERION TO ASSESS ANALYTICAL RESULTS RELIABILITY
Rozet, Eric ULiege; Lebrun, Pierre ULiege; Boulanger, B et al

Conference (2013, May 21)

In pharmaceutical and biomedical industries, quantitative analytical methods such as HPLC play a key role. Indeed, the analytical results obtained from them are used to make crucial decisions such as the ... [more ▼]

In pharmaceutical and biomedical industries, quantitative analytical methods such as HPLC play a key role. Indeed, the analytical results obtained from them are used to make crucial decisions such as the release of batches of drugs, the evaluation of safety and efficacy of new drug candidates or the monitoring of patients health. Prior to their routine use, analytical methods are submitted to a stringent validation study [1] where they have to demonstrate that they are fit for their final purpose, i.e. providing accurate results: where is the analytical result, is the theoretical unknown true concentration of analyte in the sample analyzed and a regulatory acceptance limit. Typically this demonstration is made by either providing point estimates of systematic error (bias) and random error (variance) or sometimes by providing interval estimates of these statistical parameters at several well defined concentration levels of the target analyte [2]. They are then compared to maximum acceptable levels. More recently, tolerance intervals approaches have been proposed that are evaluated in a similar way at these key concentration levels [3]. However none of these decision approaches allow knowing the probability to obtain accurate results over the whole concentration range of interest: is a vector of parameters and Pmin is a minimum reliability probability. Frequentist approximations have been proposed to estimate this probability but only at the concentration levels experimentally tested [4,5]. In this work, a linear hierarchical Bayesian approach is proposed. It takes into account the potential random characteristic of the slope and intercept observed from one analytical run to the other, but it also integrates the possible covariance between the parameters. Additionally, heteroscedasticity of the residual variance over the concentration range investigated is taken into account. A situation regularly observed in practice. Finally a reliability profile for the whole concentration range studied is obtained using MCMC sampling. This profile provides the probability (Prel) to obtain accurate results over the full concentration range investigated. This profile is then compared to a minimum reliability probability (Pmin) that will define the valid concentration range of the analytical method. The usefulness of this approach is illustrated through the validation of a bioanalytical method and also compared with one concentration level at a time frequentist approaches [4,5]. [1] International Conference on Harmonization (ICH) of Technical Requirements for registration of Pharmaceuticals for Human Use Topic Q2 (R1): Validation of Analytical Procedures: Text and Methodology, Geneva, 2005. [2] A. Bouabidi and al., J. Chromatogr. A, 1217 (2010) 3180. [3] Ph. Hubert and al., J. Pharm. Biomed. Anal., 36 (2004) 579. [4] W. Dewé and al., Chemometr. Intell. Lab. Syst. 85 (2007) 262. [5] B. Govaerts and al., Qual. Reliab. Engng. Int. 24 (2008) 667. [less ▲]

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See detail"Poetry and Silent Film"
Delville, Michel ULiege

Conference (2013, May 18)

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See detailMetallo-supramolecular micellar gels: a structural study
Mugemana, Clément; Joset, Arnaud ULiege; Guillet, Pierre et al

Conference (2013, May 17)

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See detailPoetry and Silent Films
Delville, Michel ULiege

Conference (2013, May 17)

Detailed reference viewed: 13 (0 ULiège)
See detailHard and soft tissue management in the esthetic zone
LAMBERT, France ULiege

Conference (2013, May 17)

Esthetic results in dentistry are determined by the harmony between the dental prostheses and the soft tissues. To reach an optimal result, each single step of the treatment has a great importance, from ... [more ▼]

Esthetic results in dentistry are determined by the harmony between the dental prostheses and the soft tissues. To reach an optimal result, each single step of the treatment has a great importance, from the smile analyses to the final restoration delivery. The goal of this lecture is to describe how to elaborate a treatment planning for single tooth replacement in the aesthetic zone. A decision tree for the surgical protocols will be proposed according to our clinical experience at the university of Liège and, the current scientific evidences. The overall objective is, from an initial clinical situation, to determine the appropriate treatment approach and timing. [less ▲]

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See detailInceste et Famille: confrontation et complémentarité des notions structuralistes et de pertes ambiguës dans la prise en charge systémique (atelier)
Bullens, Quentin ULiege; Wilmet, Aurélie; Dechamps, Michel

Conference (2013, May 17)

Dans le travail avec les familles connaissant une situation d’inceste, le paradigme structura liste de Minuchin (1974) apparaît souvent comme l’angle d’approche systémique privilégié. Bien qu’initialement ... [more ▼]

Dans le travail avec les familles connaissant une situation d’inceste, le paradigme structura liste de Minuchin (1974) apparaît souvent comme l’angle d’approche systémique privilégié. Bien qu’initialement celui-ci ne s’adresse pas spécifiquement aux situations de maltraitances infantiles et plus particulièrement d’inceste, nous proposons d’illustrer, au travers du cheminement d’une vignette clinique, combien un tel regard permet la mise en lumière du fonctionnement familial et, dans le respect de l’éthique systémique, de dessiner les pistes thérapeutiques par le biais même de la démarche diagnostique. notre pratique clinique dans une équipe spécialisée nous montre cependant que le travail avec la famille connaissant une situation d’inceste ne peut se résumer à mieux comprendre le passé pour préparer l’avenir. en effet, bien souvent, ces familles connaissent une situation qui, selon nous, s’apparente à ce que pauline Boss (1999, 2006) a nommé la perte ambiguë. après un exposé théorique des notions de pertes et de frontières ambiguës (Boss, 1999, 2006) auxquelles il est très certainement moins fréquent de faire appel dans la prise en charge (systémique) de l’inceste, nous montrerons au travers l’exploration de la même vignette clinique pourquoi et comment ce cadre conceptuel a toute sa pertinence dans le travail clinique. enfin, après avoir démontré l’utilité, la complémentarité et les différences entre l’approche de Minuchin et celle de Boss, nous pourrons nous tourner vers les questions soulevées par notre exposé. en effet, dans les situations d’inceste et d’agression sexuelle en général, l’étude des mécanismes à l’œuvre, tant du point de vue individuel que systémique, a permis et permet de mieux comprendre les facteurs impliqués et dès lors de prévenir et soigner. toutefois, s’il est bien naturel que les projecteurs se tournent vers la transgression des interdits sexuels, il n’en reste pas moins que la famille se trouve confrontée, dans l’ici et maintenant, à une inéluctable réorganisation. les difficultés inhérentes à celle-ci, si elles ne sont pas prises en compte, pourraient amener à ne pas permettre l’expression des compétences familiales (ausloos, 1995) au moment où leur évaluation est pourtant requise, et à offrir aux familles un soutien davantage adapté à leur histoire qu’à leur actualité. [less ▲]

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See detailDeliberate metaphors in political discourse: evidence from the citizen's perception of the poltiical crisis
Perrez, Julien ULiege; Reuchamps, Min

Conference (2013, May 17)

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See detailMonitoring distribution networks in supply chains
Faraz, Alireza ULiege

Conference (2013, May 17)

This paper presents a new control chart for monitoring the post optimality of a designed distribution network in a supply chain. The proposed control chart alarms as soon as neither the location nor the ... [more ▼]

This paper presents a new control chart for monitoring the post optimality of a designed distribution network in a supply chain. The proposed control chart alarms as soon as neither the location nor the capacity nor the number of the current distribution centers are not optimal any longer. The control chart ensures the distribution network satisfies the customers' demands at minimum total costs over time. In fact, it monitors the optimality of the solution today for the problem tomorrow. [less ▲]

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See detailL'apprentissage d'auto-hypnose dans un problème de douleur chronique
FAYMONVILLE, Marie-Elisabeth ULiege; Barsics, Catherine ULiege; VANHAUDENHUYSE, Audrey ULiege et al

Conference (2013, May 16)

La douleur est une expérience éminemment subjective et intime vécue par la personne qui la ressent et rapportée à l’autre qui l’entend… s’il écoute. Chaque douleur est simultanément une sensation, une ... [more ▼]

La douleur est une expérience éminemment subjective et intime vécue par la personne qui la ressent et rapportée à l’autre qui l’entend… s’il écoute. Chaque douleur est simultanément une sensation, une émotion, une cognition et un comportement. Ces composantes sont profondément intriquées, d’où la difficulté pour certains soignants d’accepter que la réalité de l’expérience douloureuse puisse être remise en cause en l’absence de lésion tissulaire objectivable. A la problématique de la douleur qui perdure dans le temps (au-delà de six mois) s’ajoutent des aspects socioculturels et les croyances que chacun y attache. Les conséquences d’une douleur qui persiste dans le temps sont nombreuses : dysfonctionnement du système nerveux qui transmet l’information « douleur » vers le cerveau, évitement d’activité, hyperfocalisation sur la douleur, dysfonctionnements émotionnels et troubles du sommeil. Ces modifications entraînent le patient « douloureux chronique » vers un cercle vicieux où le retrait socioprofessionnel, la focalisation sur la douleur, l’anticipation négative et le catastrophisme isolent le patient. La complexité de la douleur chronique requiert souvent une approche multidisciplinaire et multimodale, avec en plus une collaboration étroite et active soigné/soignant afin de cibler au mieux les besoins des patients. Pour arriver à un programme de traitement intégré, il reste utile que le patient lui-même se fixe des objectifs concrets qui seront pour lui des signes d’amélioration de son problème « douleur ». Les soignants, dans une communication ciblée et orientée, proposent ensuite des stratégies de meilleure gestion du problème que les patients doivent effectivement tester concrètement dans leur vie de tous les jours. Lors des séances d’apprentissage d’auto-hypnose, ces stratégies sont intégrées tout à fait naturellement. L’utilisation régulière de l’auto-hypnose permet au patient une autonomie de gestion du problème, le valorise et le responsabilise. [less ▲]

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See detailEmotion, mort et conscience. Le premier Sartre et Freud
Cormann, Grégory ULiege

Conference (2013, May 16)

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See detailCartographie du nightglow de Vénus
Stiepen, Arnaud ULiege

Conference (2013, May 16)

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See detailAlternative methods for virus control: the role of symbionts and lectins in viral transmission
Bosquée, Emilie ULiege; Chen, Ju Lian; Yong, Lui et al

Conference (2013, May 16)

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See detailL'étude du récit interactif : épistémologie et constitution du corpus
Hurel, Pierre-Yves ULiege

Conference (2013, May 16)

Réflexions sur la constitution d'un corpus hétérogène dans l'étude du récit interactif (jeux vidéo, hypertextes, web documentaires, jeux de rôle, etc.)

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See detailInteraction carte hydrogéologique, forages d'eau et forages de géothermie
Debbaut, Vincent ULiege

Conference (2013, May 16)

Detailed reference viewed: 22 (2 ULiège)