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See detailA Discontinuous Galerkin Formulation of Kirchhoff-Love Shells: From Linear Elasticity to Finite Deformations
Noels, Ludovic ULg; Radovitzky, Raul

Conference (2008, June)

Spatially-discontinuous Galerkin methods constitute a generalization of weak formulations, which allow for discontinuities of the problem unknowns in its domain interior [1]. When considering problems ... [more ▼]

Spatially-discontinuous Galerkin methods constitute a generalization of weak formulations, which allow for discontinuities of the problem unknowns in its domain interior [1]. When considering problems involving high-order derivatives, discontinuous Galerkin methods can also be seen as a means of enforcing higher-order continuity requirements in a weak manner [2,3]. Recently, the authors [4] have proposed a DG formulation for Kirchhoff-Love shell theory for which both the membrane and the bending response of the shell are considered. The proposed one-field formulation takes advantage of the weak enforcement in such a way that the displacements are the only discrete unknowns, while the C1 continuity is enforced weakly. The consistency, stability and rate of convergence of the numerical method are demonstrated for the case of a linear elastic material. In this work, this method is extended to shell problems involving finite displacements and finite deformations. [less ▲]

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See detailComparison of bovine and human O26 EHEC strains by the Whole Genome PCR Scanning
Bardiau, Marjorie ULg; Ogura, Y.; Hayashi, Tetsuya et al

Conference (2008, June)

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See detailRoom-acoustics predictions using a diffusion process – a state of the art
Billon, Alexis ULg

Conference (2008, June)

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See detailA PERIOD3 polymorphism predicts fMRI assessed brain responses following sleep loss
Vandewalle, Gilles ULg; Archer, SN; Wuillaume, C et al

Conference (2008, June)

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See detailThe Expected Design Space for analytical methods: a new perspective based on modeling and prediction
Lebrun, Pierre ULg; Boulanger, Bruno ULg; Debrus, Benjamin ULg et al

Conference (2008, June)

The Design Space (DS) of an analytical method is defined as the set of factor settings that provides satisfactory results, with respect to pre-defined constraints. The proposed methodology aims at ... [more ▼]

The Design Space (DS) of an analytical method is defined as the set of factor settings that provides satisfactory results, with respect to pre-defined constraints. The proposed methodology aims at identifying a region in the space of factors that will likely provide satisfactory results during the future use of the analytical method in routine, through an optimization process of this method. First, the DS is statistically defined as derived from the β-Expectation prediction interval. Second, multi-criteria perspective is added in this definition as it is often required for optimizing analytical method. Finally, a Monte-Carlo simulation is envisaged to numerically predict and identify the DS under uncertainty. Examples based on high-performance liquid chromatography (HPLC) methods will be given, illustrating the applicability of the methodology. [less ▲]

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See detailThe restoration of the longitudinal connectivity in Southern Belgian rivers. Synthesis of a 10-years study and perspectives
Ovidio, Michaël ULg; Orban, Patrice; Lambot, Francis et al

Conference (2008, June)

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See detailA crossed random effects model to detect differential item functioning
Frederickx, Sofie; Magis, David ULg; Tuerlinckx, Francis et al

Conference (2008, June)

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See detailValidity and design of learning settings in particular context: Learning with Simulations in medical education
Blavier, Adelaïde ULg; Aboulafia, A.; Fischer, F. et al

Conference (2008, June)

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See detailAutonomie, quels concepts? Quelles interventions?
Mathys, Cécile ULg

Conference (2008, June)

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See detailDynamic Hedge Fund Style Analysis with Errors-in-Variables
Bodson, Laurent ULg; Hübner, Georges ULg; Coën, Alain

Conference (2008, June)

This paper revisits the traditional return-based style analysis (RBSA) in presence of time-varying exposures and errors-in-variables (EIV). We first apply a selection algorithm using the Kalman filter to ... [more ▼]

This paper revisits the traditional return-based style analysis (RBSA) in presence of time-varying exposures and errors-in-variables (EIV). We first apply a selection algorithm using the Kalman filter to identify the more appropriate benchmarks for the analyzed fund return. Then, we compute their corresponding higher moment estimated errors-in-variables, i.e. the measurement error series introducing the (cross) moments of order three and four. We adjust the selected benchmarks by subtracting their higher moments estimated EIV from the initial return series, to obtain an estimate of the true uncontaminated benchmarks. We finally run the Kalman filter on these adjusted regressors. Analyzing EDHEC alternative indexes styles, we show that this technique improves the factor loadings and permits to identify more precisely the return sources of the considered hedge fund strategy. [less ▲]

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See detailLeast-Cost Development of Hydrogen Transmission-Distribution Pipeline Networks
Andre, Jean; Brac, Jean; de Wolf, Daniel ULg et al

Conference (2008, June)

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See detailImportance of the alternative pathway of respiration for avoidance of ROS production and for optimisation of photosynthesis in Chlamydomonas
Franck, Fabrice ULg; Dinant, M.; Cardol, Pierre ULg et al

Conference (2008, June)

The physiological function of the alternative pathway of respiration has been investigated by analysing two RNAi C.reinhardtii lines deprived of alternative oxidase protein (AOX1). Compared to wild-type ... [more ▼]

The physiological function of the alternative pathway of respiration has been investigated by analysing two RNAi C.reinhardtii lines deprived of alternative oxidase protein (AOX1). Compared to wild-type, AOX1- lines exhibited modified growth curves and reduced maximal cell density. These differences were more pronounced at high irradiance and in nitrate-containing medium (TAP NO3) rather than in ammonium-containing medium (TAP NH4). Although the alternative pathway was inactive, respiration was not significantly altered in transgenics. Light-saturation curves of O2-evolution were only slightly modified. However, non-photochemical quenching of fluorescence (NPQ) was strongly reduced. Further analysis showed that AOX1- transgenics present a reduced ability to promote the change in energy distribution between photosystems, known as state transition. This effect, which explains low NPQ in the light, was most pronounced in high-light cells cultivated in TAP NO3 medium. Moreover, AOX1- transgenics exhibited higher levels of intracellular peroxides, which suggests that inhibition of state transition might result from higher ROS production. In support of this hypothesis, addition of millimolar-range concentrations of H2O2 to wild-type inhibited the state transition promoted by the reduction of the plastoquinone pool in darkness. [less ▲]

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See detailEvaluation de la qualité de vie d’enfants avec antécédents de pathologie oncologique
Missotten, Pierre ULg; Spitz, Elisabeth; Hoyoux, Claire

Conference (2008, June)

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See detailCryogenic Zone Compression for the Measurement of Dioxins in Human Serum at Attogram Level by GCxGC-IDHRMS.
Patterson Jr; Welch; Turner et al

Conference (2008, June)

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See detailTools and services to sustain collaborative edition, share and capitalization of knowledge
Denis, Brigitte ULg

Conference (2008, June)

Presentation of several tools used to support collaborative edition. Issues about sharing, capitalizing and managing knowledge.

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See detailEvaluation of the aging patient’s voice by means of the VHI correlated to the DS16 and the SF-36
Morsomme, Dominique ULg; Provin, Sarah; Verduyckt, Ingrid et al

Conference (2008, May 31)

Objective vocal changes linked to the age have been largely studied these last 20 years. However, few authors have showed an interest in the subjective evaluation of the aging voice. Our research aimed ... [more ▼]

Objective vocal changes linked to the age have been largely studied these last 20 years. However, few authors have showed an interest in the subjective evaluation of the aging voice. Our research aimed the study of the aging voice by means of the Voice Handicap Index (VHI) Jacobson et al., (1997) in 90 subjects divided into three groups: « 30 elderly subjects in a nursing home », « 30 elderly subjects living at home » and « 30 young subjects » as the control group. We compared the results from these three groups and controlled for several variables such as age, living place, personality, dependency and repetition, that can have an impact on the VHI score. The DS16 (Denollet, 1998) and the SF-36 (Ware et al, 1993) were used to test personality and dependency. Our results showed that the scores on the global and physical scales are higher for all groups at the retest (p=0,046; p=0,015). Although the VHI seems adapted to the aging subject, some improvements are suggested concerning the items addressing the professional life and social life (F8, F16, F22, E24 et E29). We also observe correlations between the three subscales (p<0,001). Concerning the DS16, the personality trait « negative affect » and « social inhibition » are correlated to the global score at the test and the retest (P=0,002 ; P =0,001 and P=0,048 ; P=0,015). Type-D personality raises the physical scores (P=0,018 ; P=0,006) and the global scores (P=0,014 ; P=0,003). Moreover, the VHI is correlated to 6 dimensions of general health related quality of life and with the global score of the SF-36 (P<0,001). The elderly subjects obtain higher functional (P=0,007 ; P=0,006), physical (P=0,009 ; P<0,001) and global (P=0,003 ; P<0,001) scores than the young subjects. Moreover, the subjects living in a nursery home obtain a higher emotional score on the univariate analysis (P=0,008 ; P=0,02) than those living at home. At the multivariate analysis, the variable « nursery home » has a significant impact on the functional score (P=0,02). Finally, a multivariate linear regression shows that the variable sex increases all the scores at the VHI (P=0,048 ; P=0,044 ; P=0,03 ; P=0,023) and the variable « dependency » (P<0,001) increases the emotional, physical and global score. Although vocal quality in the elderly might seem only slightly altered, age is a factor that increases functional, physical and global scores at the VHI. However, sex, dependency and personality type are also influencing vocal self-evaluation and can moderate the effect of age. [less ▲]

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See detailVoice Handicap Index Adapted to the Singing Voice
Morsomme, Dominique ULg; Gaspar, Martine; Verduyckt, Ingrid et al

Conference (2008, May 31)

The present study is the outcome of 5 former studies aiming at the adaptation of the V.H.I. to singers. We propose in this last version a V.H.I. valid for all types of singer, dysodic or not. The ... [more ▼]

The present study is the outcome of 5 former studies aiming at the adaptation of the V.H.I. to singers. We propose in this last version a V.H.I. valid for all types of singer, dysodic or not. The reliability, validity and internal coherence was evaluated on a population of 192 classical singers and 27 non singers. The comparison of the mean scores at the test and the retest shows that the results at the retest are significantly inferior for the functional scale (p=0.013) and for the global score (p=0.006). The test/re-test stability is good (ICC : Functional scale (F) : 0.869, Emotional scale (E) : 0.846, Physical scale (P) : 0.85, Global score (G) : 0.878/ Spearman’s rho F : 0.855, E : 0.834, P : 0.858, G : 0.886). The internal coherence of each sub scale is good (Cronbach’s alpha : >0.80). The correlation between the 3 subscales is quite high (FvsE : 0,613 /EvsP : 0,737/ FvsP : 0,693) which means that each scale measures a specific dimension but that they are still homogeneous. The test/re-test difference between the singers and the controls are not significant but the control group has a greater variability in their answers (Levene test : F : p<0 .001; P : p=0.009 ; G : p=0.02). Three variables increase the results : being a solist (F : p=0.046; E : p=0.002; P : p=0.056; G : p=0.006), being an amateur (F : p<0.001; E : p=0.019; P : p<0.001; G : p=0.001), having a vocal complaint (F, E, P et G : p<0.001). In conclusion, this version of the V.H.I is reliable, valid and adapted to the population of classical singers. [less ▲]

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See detailSubjective Evaluation of the Voice by the V.H.I. and Estimation of the Prevalence of Vocal Disorders among 723 Teachers
Morsomme, Dominique ULg; Russel, Sophie; Verduyckt, Ingrid et al

Conference (2008, May 31)

The literature shows that 20% of the teachers suffer from a vocal disorder. The researchers find frequent symptoms such as roughness, vocal fatigue and aggravation of the mean F0, peri-laryngeal pain and ... [more ▼]

The literature shows that 20% of the teachers suffer from a vocal disorder. The researchers find frequent symptoms such as roughness, vocal fatigue and aggravation of the mean F0, peri-laryngeal pain and physical discomfort. Dysphonia is more frequent in female teachers. Age, years of experience, type of subject taught and environmental factors, vocal abuse, and stress have an impact on voice. They diminish the vocal performances of these professionals which has negative financial consequences. In our study, the voice of 723 teachers were evaluated by means of the VHI (F: 634, M: 89), teaching in ordinary schools or in positive discrimination schools. Fifteen municipality in the Brussel area participated in the study. We obtain a good test retest reliability for the whole group (F: 0,774 ; E: 0.749 ; P: 0.806 ; G : 0.836 – p>0.001). The scores at the retest are significantly lower for the global scores and the three subscales (G p<0.001, F p<0.001 ; E p=0.003 et P p<0.001). Intra-scale correlation is high (F versus E : 0.434 ; F vs P :0.455 ; E vs P : 0.527). The prevalence of vocal disorders was computed with regard to past ENT and speech pathology history and actual treatments, it was evaluated to 10,5%. Teachers who had been consulting an ENT or a speech language pathologist had higher scores at the global VHI. The elder the subjects are and the more teaching experience they have, the lesser they report vocal disorders (p=0.026 et p=0.013). The variables sex (p≥ 0.063), subject taught (p≥ 0.468), smoking (p=0.757), type of school (p≥ 0.867) and class grade (p≥ 0.212) do not have a significant impact on the VHI scores. [less ▲]

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See detailDEBORD68 : inutile de se soulever ? (Kant, Marx, Foucault)
Bolmain, Thomas ULg

Conference (2008, May 31)

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See detailPostoperative care after caesarean section
Brichant, Jean-François ULg

Conference (2008, May 31)

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See detailLa chimie au service de la létalité réduite
Detrembleur, Christophe ULg

Conference (2008, May 30)

Detailed reference viewed: 8 (1 ULg)
See detailIntroduction et conclusions
Delfosse, Annick ULg

Conference (2008, May 30)

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See detailLa soumission aux médias comme épreuve du déplacement
Servais, Christine ULg

Conference (2008, May 29)

Detailed reference viewed: 25 (3 ULg)
See detailHusserl, Twardowski et la question des objets intentionnels
Gyemant, Maria ULg

Conference (2008, May 28)

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See detailL'étude ONTARGET, son apport en néphrologie.
Krzesinski, Jean-Marie ULg

Conference (2008, May 27)

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See detailGlacial-interglacial pCO2 Variations and the Rain Ratio Hypothesis: Implications for Sedimentary Carbonate Preservation/Dissolution Processes
Munhoven, Guy ULg

Conference (2008, May 27)

A reduction of the carbonate-carbon to organic-carbon export rain ratio during glacial times has been for years one of the favourite hypotheses to explain the glacial-interglacial atmospheric CO2 ... [more ▼]

A reduction of the carbonate-carbon to organic-carbon export rain ratio during glacial times has been for years one of the favourite hypotheses to explain the glacial-interglacial atmospheric CO2 variations. This hypothesis have been tested and implications for the dynamics of sedimentary carbonate preservation and dissolution explored with MBM, a multi-box model of the ocean carbon cycle, fully coupled to the transient early diagenesis model MEDUSA. With this coupled model, a peak reduction of the rain ratio by 40% at the Last Glacial Maximum (LGM) was found to produce a net atmospheric pCO2 reduction of about 40 ppm. Changing shelf carbonate accumulation rates and continental weathering inputs produced a 55-60 ppm reduction. The combination of the two mechanisms generates a 90-95 ppm pCO2 change, which compares well with the observations. However, the resulting model sedimentary record is at odds with actual sedimentary records. Changing carbonate accumulation rates on the continental shelf and variable weathering fluxes depress the calcite saturation horizon (CSH) by about 1 km at the LGM; rain ratio variations depress it by another km. In addition to this large amplitude for the CSH, the changing rain ratio also leads to transition zone changes in the model sedimentary record that are opposite in phase with data-based reconstructions. [less ▲]

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See detailEUCAST - Introduction of new breakpoints in the labs: Challenges and Solutions
Melin, Pierrette ULg

Conference (2008, May 26)

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See detailIntroduction of new breakpoints in the labs: Challenges and Solutions
Melin, Pierrette ULg

Conference (2008, May 26)

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See detailDam-break flow computation using high resolution DEM
Dewals, Benjamin ULg

Conference (2008, May 26)

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See detailRamses. An Annotated corpus of Late Egyptian
Polis, Stéphane ULg; Winand, Jean ULg

Conference (2008, May 24)

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See detailMaîtriser l'oxygène en Médecine Générale
Burette, Philippe ULg

Conference (2008, May 24)

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See detailStructuring the Ancient Egyptian lexicon
Polis, Stéphane ULg; Winand, Jean ULg

Conference (2008, May 24)

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See detailSurface coating of hydrogel intraocular lenses toward resistance to posterior capsular opacification
Bozukova, Dimitriya; Pagnoulle, Christophe; Gillet, Marie-Claire ULg et al

Conference (2008, May 23)

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See detailSur la régularité ponctuelle de quelques fonctions non-dérivables
Nicolay, Samuel ULg

Conference (2008, May 22)

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See detailFeral Pigeons in the Cities : Cultural Categories and Wildlife Management
Colon, Paul-Louis ULg

Conference (2008, May 22)

From many aspects, one can observe that, by contrast with other times and places, feral pigeons do not have a definite status in contemporary European cities. They seem to be perpetually crossing ... [more ▼]

From many aspects, one can observe that, by contrast with other times and places, feral pigeons do not have a definite status in contemporary European cities. They seem to be perpetually crossing boundaries between different categories that people usually refer to in order to understand and engage with the world surrounding them. As a part of wildlife in an urban environment, feral pigeons elicit contrasted feelings amongst inhabitants of cities and question cultural distinctions such as domestic/wild, public/private, clean/dirt, etc. This research was a part of a multidisciplinary project aiming at evaluating both ecological and anthropological dimensions of the presence of feral pigeons in Paris. It will be argued that feral pigeons in cities could be viewed as a kind of symbolic disorder. Political measures, scientific interest and citizen behaviors towards them could therefore be understood as attempts to give the pigeons a definite status. This perspective could help improving the management of urban biodiversity by providing clues to integrate its ecological and cultural dimensions. [less ▲]

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See detailStages professionnalisants en masters de G-O
VIERSET, Viviane ULg

Conference (2008, May 20)

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See detailAre foreign profitability disclosures value-relevant ? Disaggregation resolves the puzzle
Muller, Aline ULg; Joliet, Robert

Conference (2008, May 20)

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See detailLa jurisprudence de la Cour au prisme de la science économique
Sibony, Anne-Lise ULg

Conference (2008, May 16)

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See detailInduction-Déduction en anthropologie
Strivay, Lucienne ULg; Genard, Jean-Louis

Conference (2008, May 16)

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See detailQuelques réflexions critiques sur le permis par décret
Michel, Quentin ULg

Conference (2008, May 15)

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See detailMulti-party Arbitration under the UNCITRAL Rules
Kohl, Benoît ULg

Conference (2008, May 15)

Detailed reference viewed: 46 (1 ULg)
See detailNouvel inhibiteur de la rénine : ALISKIREN
Krzesinski, Jean-Marie ULg

Conference (2008, May 15)

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See detailVitamin D: current status and perspectives
Cavalier, Etienne ULg

Conference (2008, May 15)

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See detailLes Compétences des Conseillers Pédagogiques : Synthèse "éclairée"
Poumay, Marianne ULg

Conference (2008, May 15)

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See detailLa reprise d’entreprise familiale par les filles d’entrepreneur: Une lecture en termes de genre
Constantinidis, Christina ULg; Santin, Sarah

Conference (2008, May 15)

Notre communication présente les résultats d’une recherche consacrée à la problématique de la reprise d’entreprise familiale par les filles d’entrepreneur. L’analyse de onze études de cas nous a permis ... [more ▼]

Notre communication présente les résultats d’une recherche consacrée à la problématique de la reprise d’entreprise familiale par les filles d’entrepreneur. L’analyse de onze études de cas nous a permis d’analyser le processus de succession tel que vécu et perçu par les filles d’entrepreneur qui reprennent l’entreprise familiale, en identifiant les acteurs clés de l’environnement interne et externe. Nous effectuons une lecture des trajectoires en termes de genre, en examinant les phénomènes de séparation et de hiérarchisation. Nous portons une attention particulière à la configuration familiale (composition de la fratrie mixte ou féminine) et au secteur d’activité (à prédominance masculine ou féminine). Nos résultats mettent en évidence des effets de genre importants, notamment en ce qui concerne le choix du cédant en matière de successeur, ce qui amène des conséquences en termes de positionnement et de motivations des filles d’entrepreneur (reprise par choix ou par nécessité). Par ailleurs, le positionnement des filles en tant que successeurs « par défaut » nous permet de souligner des phénomènes de hiérarchisation. Enfin, nos résultats montrent de quelle manière les filles d’entrepreneur, une fois identifiées comme successeurs, se font accepter et construisent leur crédibilité et leur légitimité vis-à-vis de la famille et des parties prenantes. [less ▲]

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See detailThe evolution of the Fair Trade organisational landscape in France and in Belgium
Huybrechts, Benjamin ULg

Conference (2008, May 14)

Parallel to the dramatic growth of its sales and public awareness, the Fair Trade movement has seen its organisational landscape become increasingly diversified. While Fair Trade nonprofit pioneers were ... [more ▼]

Parallel to the dramatic growth of its sales and public awareness, the Fair Trade movement has seen its organisational landscape become increasingly diversified. While Fair Trade nonprofit pioneers were initially relatively homogeneous in terms of goals and structures, the economic development of the initiative, driven by the sales of Fair Trade products in mainstream distribution channels, has led to the emergence of a multitude of new actors with much more heterogeneous behaviours – in spite of the general trend towards a stronger market orientation – (Gendron, 2004; Moore, 2004; Nicholls & Opal, 2005; Renard, 2003). When observing the evolution of Fair Trade organisations (FTOs), i.e., organisations claiming to be totally dedicated to Fair Trade, three trends can be observed: Fair Trade pioneers have adopted more business-oriented profiles and more complex and specialised organisational structures; New small Fair Trade businesses have emerged with a stronger economic specialisation on a particular product or distribution channel ; « Old » and « new » FTOs increasingly gather into networks with two types of purposes: to promote Fair Trade and to have a minimum political representation (advocacy networks) and to face common socio-economic challenges (socio-economic networks). The goal of this contribution is to analyse these three trends with the help of a sample of nearly fourty FTOs in Belgium and in the French Rhône-Alpes region. We can thus illustrate the three trends on the basis of both general observations and precise examples. We also try to compare the two regions and to explore to what extent the evolution of FTOs reveals more global trends within the Fair Trade movement. [less ▲]

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See detailDéstabilisation membranaire et peptides obliques : état des lieux
Lins, Laurence ULg

Conference (2008, May 13)

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See detailLe dopage en cyclisme sur route: un objet d'étude criminologique
Fincoeur, Bertrand ULg

Conference (2008, May 11)

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See detailLe projet politique dans la société du risque : quand l’expertise s’entrouvre
Fallon, Catherine ULg; Joris, Geoffrey ULg; Zwetkoff, Catherine ULg

Conference (2008, May 09)

Le recours au principe de précaution (Ewald 1996) en tant que mode de gestion publique des choix technologiques (Roany 2004), s’inscrit dans un contexte décisionnel en évolution, marqué par une ... [more ▼]

Le recours au principe de précaution (Ewald 1996) en tant que mode de gestion publique des choix technologiques (Roany 2004), s’inscrit dans un contexte décisionnel en évolution, marqué par une incertitude multidimensionnelle quant aux conséquences environnementales, économiques, sociales, politiques ou encore éthiques des innovations technologiques (Kooiman 1993 ; Callon, Lascoumes, Barthe 2001, Grossman 2006). L’utilisation de ce principe fonde une demande croissante d’ouverture du processus décisionnel qui se traduit par une offre participative accrue, offre en laquelle certains voient la promesse ou le moyen de concrétiser la société de « gouvernance » (Barber 1984 ; Fishkin 1995 ; Beierle, Cayford 2002 ; Willis, Dekay, Morgan, Florig, Fischbeck 2004 ; Sjöberg 2004 ; Larceneux 2005 ; Tabara 2005, Faget 2006). Il ne s’agirait plus seulement de combler l’ignorance des citoyens quant à une question particulière, mais d’articuler l’expertise à la concertation sociale pour construire un référentiel global de sécurité partagé sur base d’une co-orientation des participants au dialogue. On assiste bien, sous le mot d’ordre de précaution, à deux changements concomitants, le premier affectant les critères d’acceptabilité sociale des choix technologiques, le second transformant les processus de construction et de mise en œuvre de la décision ¬ lesquels deviennent, en soi, une source de légitimation sociale (Groux 2005 ; Pidgeon, Poortinga, Rowe, Jones, Walls, O’Riordan 2005). De nouveaux processus délibératifs sont ainsi mis à l’agenda politique et scientifique, créant des enjeux inédits et, jusqu’à présent, peu étudiés. Dans cette nouvelle configuration, la construction de l’acceptabilité sociale des choix technologiques passe par l’organisation d’un dialogue entre politiques, scientifiques, partenaires socio-économiques (stakeholders) et grand public. Ce dialogue porte notamment sur l’application du principe de précaution, non pas comme référentiel d’action substantif, définissant le contenu de la décision, mais comme ensemble de règles procédurales structurant le processus décisionnel de manière telle qu’il puisse être qualifié de « précautionneux » par l’ensemble des acteurs concernés. Une argumentation scientifique n’étant plus suffisante, dans un tel cadre, pour justifier une décision politique, un nouveau cadre décisionnel doit être proposé : le choix se porte actuellement sur des procédures participatives dans laquelle les acteurs concernés, dont les citoyens, co-créeraient un référentiel commun de sécurité. L’élaboration des politiques publiques requiert dès lors une ouverture des champs d’expertise au de nouveaux acteurs. L’exercice de l’autorité revient à animer un enchevêtrement d’interdépendances dont la richesse tient précisément à la capacité à opérer en commun, individuellement et en groupe dans des univers faiblement structurés, des situations à forte turbulence. La tâche n’est pas aisée car elle revient à admettre, au moins à titre provisoire, la relativité et l’absence de hiérarchie des savoirs, le droit de toutes les parties prenantes à prendre la parole, à débattre, y compris de données et d’analyses scientifiques pour participer à une redéfinition collective de la problématique (Gilbert C., 2002). Dans une telle stratégie de communication, l’art impose de s’adresser de façon adéquate aux différents groupes concernés, sans écarter aucun d’entre eux. Il s’agit de créer de nouveaux espaces d’expertise, ouverts à des stakeholders diversifiés, des forums capables de rendre citoyens et gestionnaires conscients de la nécessité d’une ouverture multidimensionnelle. Or les structures traditionnelles permettent rarement de telles intrusions. Le nouvel enjeu des administrateurs est de proposer des options à la fois techniquement efficaces et socialement acceptables. La nouvelle réticulation des structures administratives ne peut résulter d’un simple changement cosmétique mais demande une réflexion stratégique et organisationnelle d’ampleur (Groux J., 2006). C’est le prix à payer pour améliorer les performances instrumentales et axiologiques, c’est-à-dire, augmenter l’efficacité de la planification tout en améliorant son inscription dans la société. Les responsables publics ne manqueront pas de dénoncer le surcoût d’une telle approche et la distribution des moyens de la puissance publique. Sur base d’une approche pragmatique et contextualisée de deux récents conflits environnementaux en Belgique (installation d’antennes GSM et décontamination des sols pollués), les auteurs proposent de développer une analyse de l’action publique en terme de projet, présentant comment à chaque étape de celui-ci, depuis les études exploratoires jusqu’à la conception du projet, sa mise en œuvre et son exploitation, des acteurs différents sont mobilisables, autour d’objectifs différents. Ensembles ils contribuent à créer un univers sécurisant et coopératif, où les incertitudes et insécurités ne sont pas résolues mais au moins construites voire régulées. Quels sont les critères qui permettent de mettre en évidence un processus de modernisation réflexive ? (Beck et al, 2003) Le processus doit s’inscrire dans une logique temporelle, accepter la fluidité des frontières et des identités co-construites et reconnaître la pluralité des rationalités et les limites d’incertitudes. Le dispositif mis en place doit favoriser l’émergence d’une dynamique d’apprentissage. Les deux cas de figure analysés s’inscrivent dans des référentiels politiques différents et leur confrontation permet de mettre en évidence des propriétés spécifiques en matière de processus d’identification des acteurs légitimes, de négociation des règles d’ouverture, d’organisation et de structuration des lieux de rencontre sociale et de construction de centres de référence. Les auteurs proposent d’inscrire l’analyse de l’expertise et des experts qui lui donnent vie dans une perspective sociale concrète en rendant justice à la dynamique temporelle trop souvent négligée. [less ▲]

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See detailEvaluation des stages d'enseignement de l'AESS/du Master à finalité didactique en Langues et littératures modernes à l'ULg
Simons, Germain ULg

Conference (2008, May 09)

Dans cette communication, nous présentons quelques démarches que nous avons entreprises ces dernières années pour rendre l'évaluation des stages d'enseignement à l'AESS en Langues et littératures modernes ... [more ▼]

Dans cette communication, nous présentons quelques démarches que nous avons entreprises ces dernières années pour rendre l'évaluation des stages d'enseignement à l'AESS en Langues et littératures modernes à l'ULg plus transparente, cohérente et objective. Nous décrivons aussi brièvement les grandes étapes de l'autoscopie (vidéo-évaluation) que nous pratiquons, ponctuellement, avec certains étudiants. [less ▲]

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See detailIntérêt clinique du dosage ultrasensible de la procalcitonine
Chapelle, Jean-Paul ULg

Conference (2008, May 08)

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See detailOvarian cysts in the cow.
Hanzen, Christian ULg

Conference (2008, May 08)

Detailed reference viewed: 43 (6 ULg)
Peer Reviewed
See detailLes citoyens et le fédéralisme. Que pensent les citoyens francophones belges du fédéralisme ?
Reuchamps, Min ULg

Conference (2008, May 08)

On September 29, 2007, 64 Francophone Belgian citizens were gathered at the Université de Liège for a one-day citizens’ assembly on the future of the Belgian federalism. Such an event demonstrates that ... [more ▼]

On September 29, 2007, 64 Francophone Belgian citizens were gathered at the Université de Liège for a one-day citizens’ assembly on the future of the Belgian federalism. Such an event demonstrates that citizens need to understand the political situation in order to play an active role in a federal society and make insightful choices about the common future. [less ▲]

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See detailOestrus cycle in the cow and hormonal control
Hanzen, Christian ULg

Conference (2008, May 08)

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See detailLa régénération des friches industrielles à Liège et à Sheffield
Guilliams, P.; Halleux, Jean-Marie ULg

Conference (2008, May 06)

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See detailPsychologie descriptive, psychologie génétique, physiologie. Le cas de la perception
Leclercq, Bruno ULg

Conference (2008, May 05)

Comme ses contemporains Wundt ou Dilthey, Franz Brentano s’efforce de déterminer le statut épistémologie de la psychologie scientifique naissante. La « psychologie du point de vue empirique » qu’il ... [more ▼]

Comme ses contemporains Wundt ou Dilthey, Franz Brentano s’efforce de déterminer le statut épistémologie de la psychologie scientifique naissante. La « psychologie du point de vue empirique » qu’il revendique s’étaie en fait sur trois niveaux d’explicitation (psychologie descriptive, psychologie génétique et physiologie), dont Brentano s’efforce de préciser les rôles et les rapports. Le traitement de la perception s’offre comme illustration particulièrement intéressante d’une telle analyse. La lecture brentanienne des travaux de Weber et Fechner, mais aussi le débat avec Helmholtz ou Wundt, témoignent d’un projet original dont ses héritiers – de Stumpf à Marty, Husserl, Meinong ou même James - vont explorer toutes les potentialités. [less ▲]

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See detailL'effet de la décision de justice
Petit, Nicolas ULg

Conference (2008, May)

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See detailStatut et fonctions d'un centre de langues universitaire
Defays, Jean-Marc ULg

Conference (2008, May)

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See detailLes effets des arrêts de la CJCE et du TPICE
Petit, Nicolas ULg; Defossez, Alexandre ULg

Conference (2008, May)

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See detailA decision problem for ultimately periodic sets in non-standard numeration systems
Charlier, Emilie ULg

Conference (2008, May)

We consider the following decidability problem: Given a linear numeration system U and a set X ⊆ N such that rep_U(X) is recognized by a (deterministic) finite automaton. Is it decidable whether or not X ... [more ▼]

We consider the following decidability problem: Given a linear numeration system U and a set X ⊆ N such that rep_U(X) is recognized by a (deterministic) finite automaton. Is it decidable whether or not X is ultimately periodic, i.e., whether or not X is a finite union of arithmetic progressions? In this work, we give a decision procedure for this problem whenever U is a linear numeration system such that N is U -recognizable and satisfying a relation of the form U_{i+k} = a_1 U_{i+k−1} + · · · + a_k U_i with a_k = ±1 (the main reason for this assumption is that 1 and −1 are the only two integers invertible modulo n for all n ≥ 2). [less ▲]

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See detailBoltanski's moral sociology and his implicit theory of ideology
Jacquemain, Marc ULg

Conference (2008, May)

The paper exposes the main lines of sociology of action regimes and of justification of Boltanski. It also shows how his concept of "test" is very well suited to a non deterministic sociology, a sociology ... [more ▼]

The paper exposes the main lines of sociology of action regimes and of justification of Boltanski. It also shows how his concept of "test" is very well suited to a non deterministic sociology, a sociology of contingency [less ▲]

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See detailThe spectral quality of light affects brain responses to emotional stimuli in humans
Vandewalle, Gilles ULg; Schwartz, S; Grandjean, D et al

Conference (2008, May)

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See detailAbstraction, cinéma et Einfühlung. Esthétique de Vertigo
Mélon, Marc-Emmanuel ULg

Conference (2008, May)

Detailed reference viewed: 51 (3 ULg)