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See detailPremiers enseignements de l’étude DESCENDANCE : prévalence des dysglycémies méconnues chez des apparentés de diabétiques de type 2 sur deux générations
Cosson, E; Gourdy, p; Penformis, A et al

in Résumés des communications de la réunion scientifique de la SFD 2013 (2013)

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See detailẢnh hưởng của kiểu gen halothane đến năng suất sinh sản của đàn lợn hạt nhân Piétrain kháng stress trong điều kiện chuồng kín và chuồng hở
Do Duc, Luc ULg; Ha Xuan, Bo; Vu Dinh, Ton et al

in Báo cáo khoa học Hội nghị Khoa học Công nghệ sinh học toàn quốc 2013 (2013)

The study was carried out on purebred nucleus herd of stress negative Piétrain pigs raised at Dong Hiep farm, Hai Phong province (HP) consisting of 18 males (13 CC and 5 CT) and 45 sows (31 CC and 14 CT ... [more ▼]

The study was carried out on purebred nucleus herd of stress negative Piétrain pigs raised at Dong Hiep farm, Hai Phong province (HP) consisting of 18 males (13 CC and 5 CT) and 45 sows (31 CC and 14 CT) and at Animal farm of Hanoi University of Agriculture (HN), including 9 males (3 CC and 6 CT) and 21 sows (11 CC and 10 CT) from May 2010 in April 2013 to evaluate the effect of halothane genotype of boars (CC and CT) and halothane genotype of sows (CC and CT) on reproductive performance. The results showed that reproductive performance was not significantly different between boars CC and CT (P>0 .05). Body weight of piglets born from sows CT (1.54 kg) was higher than those from CC (1.42 kg) at birth, however at weaning this trend was opposite (6.46 kg vs. 6.00 kg). Reproduction performances of CC and CT boars were similar under opening and closing farm conditions. However, using of CC sows can improve the body weight of piglets at the weaning; in particularly, CC sows in the closing farm condition. [less ▲]

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See detailTraining modifies the innate immune response both in the airways and in blood in horses
Frellstedt, Linda ULg; Gosset, Philippe; Desmet, Christophe ULg et al

in Proceedings of the ICI (2013)

Lower airway diseases are common problems in sports and racing horses. In humans, exercise has been associated with upper respiratory tract infections due to down-regulated expression of Toll-like ... [more ▼]

Lower airway diseases are common problems in sports and racing horses. In humans, exercise has been associated with upper respiratory tract infections due to down-regulated expression of Toll-like receptors (TLRs), costimulatory and antigen-presenting molecules on monocytes. The objectives of this study were 1) to examine the expression of TLRs in equine bronchial epithelial cells (EBEC) and blood monocytes in untrained and trained horses; 2) to stimulate EBEC and monocytes in vitro with TLR ligands, in order to mimic bacterial/viral infections; 3) to compare the cytokine production of EBEC and monocytes in untrained and trained horses. Bronchial biopsies were taken from 8 horses during lower airway endoscopy at rest and 24 hours after a standardized exercise test (SET). Bronchial epithelial cells were grown in vitro and activated with TLR ligands. Blood monocytes were collected at rest and after the SET. TLR1-TLR9 expression was evaluated via real-time PCR and cytokine production was measured via ELISA. TLR3 and TLR4 expression was modified by training. The expression of TLR2, TLR7 and TLR8 was modified only by strenuous exercise in trained horses. Training had local immuno-suppressive effects shown by a decreased production of TNF-alpha and IFN-beta in EBEC in response to TLR2 and TLR3 ligands. Training also caused a systemic pro-inflammatory response evidenced by increased production of TNF-alpha in monocytes in response to TLR2 and TLR4 ligands. These findings suggest that training and strenuous exercise in trained subjects may result in an increased susceptibility of the lower airway to infections associated with systemic inflammation. [less ▲]

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See detailOptimistic Planning for Belief-Augmented Markov Decision Processes
Fonteneau, Raphaël ULg; Busoniu, Lucian; Munos, Rémi

in Proceedings 2013 Symposium on Adaptive Dynamic Programming and Reinforcement Learning (ADPRL-13), Singapore, 15–19 April 2013 (2013)

This paper presents the Bayesian Optimistic Planning (BOP) algorithm, a novel model-based Bayesian reinforcement learning approach. BOP extends the planning approach of the Optimistic Planning for Markov ... [more ▼]

This paper presents the Bayesian Optimistic Planning (BOP) algorithm, a novel model-based Bayesian reinforcement learning approach. BOP extends the planning approach of the Optimistic Planning for Markov Decision Processes (OP-MDP) algorithm [Busoniu2011,Busoniu2012] to contexts where the transition model of the MDP is initially unknown and progressively learned through interactions within the environment. The knowledge about the unknown MDP is represented with a probability distribution over all possible transition models using Dirichlet distributions, and the BOP algorithm plans in the belief-augmented state space constructed by concatenating the original state vector with the current posterior distribution over transition models. We show that BOP becomes Bayesian optimal when the budget parameter increases to infinity. Preliminary empirical validations show promising performance. [less ▲]

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See detailSymposium - Résolution de problèmes mathématiques et développement de compétences : sur quelles variables agir pour soutenir les élèves dans leur apprentissage ?
Fagnant, Annick ULg; Marcoux, Géry; Vlassis, Joëlle

in Congrès international. Actualité de la recherche en éducation et en formation. AREF 2013 (2013)

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See detailExercise modifies the innate immune response in equine bronchial epithelial cells
Frellstedt, Linda ULg; Gosset, Philippe; Pirottin, Dimitri ULg et al

in Proceedings of the 3rd Scientific Meeting of the Faculty of Veterinary Medicine (University of Liege - Belgium) (2013)

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See detailLa société personnalisée entre les membres du couple
Aydogdu, Roman ULg

in Le couple sous toutes ses formes (2013)

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See detailInfluence of the frequency for the numerical modeling of the parasitic capacitances of wound magnetic components
De Greve, Zacharie; Lehti, Leena; Deblecker, Olivier et al

in 9th International Symposium on Electric and Magnetic Fields (EMF2013) (2013)

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See detailThe fracture studies of polycrystalline silicon based MEMS
Mulay, Shantanu Shashikant ULg; Becker, Gauthier; Vayrette, Renaud et al

in EUROSIME 2013 (2013)

The advantages of micro-electro-mechanical systems (MEMS), such as low power requirement, miniaturized sizes and costs reduction, have already made significant impact in many technological fields. MEMS ... [more ▼]

The advantages of micro-electro-mechanical systems (MEMS), such as low power requirement, miniaturized sizes and costs reduction, have already made significant impact in many technological fields. MEMS are now widely used as accelerometers, pressure sensors, and resonators etc. However, the determination of the mechanical properties of MEMS devices with high accuracy is still a challenging task due to their small dimensions and often anisotropic behaviour. This paper focuses on the modelling and simulation of the fracture of a key MEMS component, which is a polycrystalline silicon beam, by discontinuous Galerkin (DG) formulation combined with an extrinsic cohesive law (ECL) to describe the fracture process. As the beam is modelled by plane-stress 2D elements, an analytical equation to compute the effective fracture strength and the effective critical strain energy release rate in terms of the through-the-thickness fracture mode and of the orientation of the facet with respect to the crystal is also developed. At the end, a model is simulated, and the results are verified as per the physics of the problem and experiments. [less ▲]

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See detailL’imaginaire linguistique des historiens de la littérature, en France et en périphéries
Provenzano, François ULg

in Moussa, Sarga (Ed.) Le XIXe siècle et ses langues (2013)

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See detailComposite joints under M-N at elevated temperatures - Experimental investigations and analytical model
Demonceau, Jean-François ULg; Haremza, Cécile; Jaspart, Jean-Pierre ULg et al

in Proceeding of the Composite Construction VII conference (2013)

The Eurocodes recognise robustness as a way to ensure the structural integrity of a building frame subjected to an unforeseen event and therefore to avoid a so-called “progressive failure” mode in extreme ... [more ▼]

The Eurocodes recognise robustness as a way to ensure the structural integrity of a building frame subjected to an unforeseen event and therefore to avoid a so-called “progressive failure” mode in extreme loading situations. However few practical guidelines exist nowadays which would allow a designer to design a structure accordingly. Within the European RFCS ROBUSTFIRE project, the behaviour of steel and composite car parks subjected to localised fire leading to a column loss was investigated. Under such a scenario, the beam-to-column joints play a key role in the global structural response. Indeed, these joints, initially loaded in bending, may be subjected to elevated temperatures and to combined axial load “N” and bending moment “M”. In this paper, a methodology to predict the mechanical response of bolted composite beam-to-column joints at elevated temperatures under M-N is presented and validated through comparison to experimental tests conducted at the University of Coimbra. [less ▲]

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See detailTransient Fokker-Planck equation with SPH method : Application in seismic design
Canor, Thomas ULg; Denoël, Vincent ULg

in Papadrakakis, M; Papadopoulos, V; Plevris, V (Eds.) Proceedings COMPDYN2013 (2013)

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See detailSatellitenbasiertes Kollisionsvermeidungssystem
Christen, Fréderic ULg; Katriniok, Alexander; Eckstein, Lutz et al

in Eckstein, Lutz; Tschöke, Helmut; Krahl, Jürgen (Eds.) et al Innovative Automobiltechnik IV (2013)

Gegenwärtig entwickelt die RWTH Aachen University im Rahmen des Projekts "Galileo above" (Anwendungszentrum für bodengebundenen Verkehr ) ein Kollisionsvermeidungssystem (Collision Avoidance System, CAS ... [more ▼]

Gegenwärtig entwickelt die RWTH Aachen University im Rahmen des Projekts "Galileo above" (Anwendungszentrum für bodengebundenen Verkehr ) ein Kollisionsvermeidungssystem (Collision Avoidance System, CAS) unter Einbeziehung von Galileo-Daten. Ziel des CAS ist - wie der Name suggeriert - Fahrzeuge zu erkennen, die sich auf Kollisionskurs mit dem eigenen Fahrzeug befinden und automatisch eine kollisionsvermeidende Maßnahme (Bremsen und/oder Lenken) einzuleiten, insofern der Fahrer nicht rechtzeitig reagiert. Der begrenzte Erfassungsbereich und die Einschränkungen, der die verwendete kosten-optimierte Sensorik unter unterschiedlichsten Umgebungsbedingungen unterliegt, sind häufig ein begrenzender Faktor für die Realisierbarkeit und Robustheit von Fahrerassistenzsystemen (FAS). Der Einsatz von GNSS (Global Navigation Satellite System) in Verbindung mit einer digitalen Karte und Fahrzeug-zu-Fahrzeug- bzw. Fahzeug-zu-Infrastruktur-Kommunikation bietet das Potenzial, den Erfassungsbereich der Sensorik deutlich zu erweitern und diese unter schwierigen Umgebungsbedingungen zu stützen. Für die Entwicklung des CAS wird das Galileo Testzentrum automotiveGATE in Al-denhoven genutzt. Das automotiveGATE erweitert das Aldenhoven Testing Center um sogenannte Pseudoliten (Pseudo-Satelliten), welche Galileo-ähnliche Navigati-onsdaten in einem begrenzten Gebiet ausstrahlen. Das automotiveGATE ermöglicht somit die Entwicklung und Erprobung von Galileo-basierten Applikationen vor der Inbetriebnahme des eigentlichen Galileo-Satellitennavigationssystems. Im Rahmen dieses Beitrags werden Erläuterungen zur Perzeption und Sensorfusion, zur Deeskalationsstrategie und Eingriffsentscheidung sowie zu Testergebnissen bei Auffahrsituationen des CAS gegeben. [less ▲]

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See detailStromatoporoid diversity and growth in late Wenlock reefs and associated facies (Silurian) at Wenlock Edge, UK.
Kershaw; Da Silva, Anne-Christine ULg

in Lindskog; Mehlqvist (Eds.) Proceedings of the 3rd IGCP 591 Annual Meeting Lund, Sweden, 9–19 June 2013 (2013)

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See detailRegular Modes in Rapidly Rotating Stars
Pasek, Mickael; Georgeot, Bertrand; Lignières, François et al

in Suárez, Juan Carlos; Garrido, Rafael; Balona, Luis A. (Eds.) et al Stellar Pulsations (2013)

Rapid rotation has to date prevented reliable mode identification in most intermediate to massive pulsating stars. In this contribution we show how an asymptotic method for pressure modes predicts regular ... [more ▼]

Rapid rotation has to date prevented reliable mode identification in most intermediate to massive pulsating stars. In this contribution we show how an asymptotic method for pressure modes predicts regular frequency spacings in the spectrum of rapidly rotating stars. We give a semi-analytical formula for these spacings that is in good agreement with numerically computed high-frequency modes. This should help to extract from observed spectra important information on the structure of rapidly rotating stars. [less ▲]

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See detailDevelopment of organic farming in Wallonia : past, present and perspectives
Burny, Philippe ULg; Debode, Frédéric

in Lorencowicz, Edmund; Uziak, Jacek; Huyghebaert, Bruno (Eds.) VI International Scientific Symposium "Farm Machinery and Processes Management in Sustainable Agriculture" : Symposium Proceedings (2013)

Organic farming is today fully recognized as an alternative to conventional agriculture and its problems (water and air pollution, large use of pesticides and possible impacts on human health, vegetal and ... [more ▼]

Organic farming is today fully recognized as an alternative to conventional agriculture and its problems (water and air pollution, large use of pesticides and possible impacts on human health, vegetal and animal diseases, overproduction, ..) and is clearly supported by the Common Agricultural Policy and its "greening". Belgian (and Walloon) agriculture is an intensive one, with a high "labour force/agricultural area" ratio and high yields thanks to good soils, but also the use of large quantities of inputs like fertilizers and pesticides. However, organic farming increased in importance during the last years and th Walloon regional government has just launched a development plan in June 2013. So, this paper aims to analyse the evolution of organic farming in Wallonia and to present the goals and the measures of the new development plan. [less ▲]

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See detailLexicografía e informática: sí, pero... / Lexicographie et informatique: oui, mais...
Baiwir, Esther ULg

in Ruiz Miyares, Leonel; Álvarez Silva, María Rosa; Muñoz Alvarado, Alex (Eds.) Actualizaciones en Comunicación Social - Vol. 1 (2013)

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See detailWhither probabilistic security management for real-time operation of power systems ?
Karangelos, Efthymios ULg; Panciatici, Patrick; Wehenkel, Louis ULg

in Bulk Power System Dynamics and Control - IX Optimization, Security and Control of the Emerging Power Grid (IREP), 2013 IREP Symposium (2013)

This paper investigates the stakes of introducing probabilistic approaches for the management of power system’s security. In real-time operation, the aim is to arbitrate in a rational way between ... [more ▼]

This paper investigates the stakes of introducing probabilistic approaches for the management of power system’s security. In real-time operation, the aim is to arbitrate in a rational way between preventive and corrective control, while taking into account i) the prior probabilities of contingencies, ii) the possible failure modes of corrective control actions, iii) the socio-economic consequences of service interruptions. This work is a first step towards the construction of a globally coherent decision making framework for security management from long-term system expansion, via mid-term asset management, towards short-term operation planning and real-time operation. [less ▲]

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See detailEstimation of dominance variance with sire-dam subclass effects in a crossbred population of pigs
Dufrasne, Marie ULg; Jaspart, Véronique; Wavreille, José et al

in Book of Abstract of the 64th Annual Meeting of the European Association of Animal Science (2013)

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See detailSystematics and molecular phyulgeny of the Dipodidae superfamily (Rodentia, Mammalia)
Pisano, Julie; Pages, Marie; Lebedev, Vladimir et al

in Abstract book of the 13th Rodens & Spatium conference (2013)

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See detailThe role of tyrosin kinase inhibitors in a MEN2B patient with metastatic medullary thyroid carcinoma
Tome, M; Tomas, M-H; VROONEN, Laurent ULg et al

in Symposium "Perspectives in Endocrinology" - Congresses Highlights 2012: ECE Firenze, ENDO Houston, ESPE Leipzig, SFE Toulouse, IWMEN Liège (2013)

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See detailComparison of shear and pull-off tests for testing adhesion of different content limestone fillers mortars used as repair system
Chendes, Remus; Dan, Sorin; Courard, Luc ULg

in STOIAN, Valeriu; DAN, Daniel; BOB, Corneliu (Eds.) et al Construction sustainability: efficient solution for design, execution and rehabilitation of the building (2013)

When a repair operation is performed and a new concrete or mortar is applied on the old concrete substrate, it is very important to have a good bond between the old concrete layer and the repair concrete ... [more ▼]

When a repair operation is performed and a new concrete or mortar is applied on the old concrete substrate, it is very important to have a good bond between the old concrete layer and the repair concrete system. The bond strengths usually determinate using pure tensile tests (pull-off tests) because of the field applicability of this category of tests. However, in most of the applications, shear stress is the main reason of the bond failure. In general, bond strength under tensile is considered smaller than bond strength in shear stress conditions. The objective of this paper is to compare the results obtained from tensile and shear tests and to potentially determine a mathematical relation between shear and tension. The materials used for tests are Ordinary Portland Cement and modified limestone fillers mortars. Specific humidity storage conditions have been selected. [less ▲]

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See detailChanging Architecture's materiality and meaning through digital culture
Delvaux, Frederic ULg; Bianchi, Romuald ULg; Defawes, Georges ULg et al

in Proceedings of the international conference Changing cities : spatial, morphological, formal and socio-economic dimensions (2013)

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See detailA journey across scales, borders and data sources: minimum commute distance (MCD) analysis of home-to-work trips in Belgium
Teller, Jacques ULg; Cools, Mario ULg

in Hesse, Markus; Caruso, Geoffrey; Gerber, Philippe (Eds.) et al Proceedings of the BIVEC-GIBET Transport Research Days 2013 (2013)

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See detailRécit et interaction : la piste structuraliste
Hurel, Pierre-Yves ULg

in Klein, Annabelle; Collard, Anne-Sophie (Eds.) COMMUNICATION : Regards croisés sur la relation (2013)

Le rapport entre récit et interactivité est régulièrement présenté comme paradoxal : comment une oeuvre peut-elle intégrer la liberté d’un participant extérieur à une histoire prédéterminée ? La recherche ... [more ▼]

Le rapport entre récit et interactivité est régulièrement présenté comme paradoxal : comment une oeuvre peut-elle intégrer la liberté d’un participant extérieur à une histoire prédéterminée ? La recherche y répond en grande majorité par la théorisation d’une narration émergente, qui abandonne le sens fort du récit. Nous y répondons par une nouvelle approche, nourrie par les thèses structurales – dont nous démontrons l’actualité et la pertinence dans le champ de recherche qui nous occupe. Ceci nous permettra de (re)définir l’objet et de comprendre sa relation au public. Certains webdocumentaires, jeux vidéo, jeux de rôle, hypertextes ou films interactifs font partie d’un même type de narration : le récit interactif. [less ▲]

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See detailProducción y circulación de óxidos de hierro por sociedades cazadoras-recolectoras-pescadoras del periodo arcaico en el norte de Chile
Salinas, Hernan; Salazar, Diego; Salomon, Hélène ULg et al

in El pasado tecnologico, cambio y persistencia (2013)

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See detailConclusions de la première journée
Lanneau, Catherine ULg

in Destatte, Philippe; Lanneau, Catherine; Meurant-Pailhe, Fabrice (Eds.) Jules Destrée, « La Lettre au roi » et au-delà (2013)

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See detailA prospective study of cardiac valvular status in patients treated with cabergoline for endocrine disease
VROONEN, Laurent ULg; LANCELLOTTI, Patrizio ULg; Tome, M et al

in Symposium "Perspectives in Endocrinology" - Congresses Highlights 2012: ECE Firenze, ENDO Houston, ESPE Leipzig, SFE Toulouse, IWMEN Liège (2013)

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See detailAggregating Optimistic Planning Trees for Solving Markov Decision Processes
Kedenburg, Gunnar; Fonteneau, Raphaël ULg; Munos, Rémi

in Advances in Neural Information Processing Systems 26 (2013) (2013)

This paper addresses the problem of online planning in Markov decision processes using a randomized simulator, under a budget constraint. We propose a new algorithm which is based on the construction of a ... [more ▼]

This paper addresses the problem of online planning in Markov decision processes using a randomized simulator, under a budget constraint. We propose a new algorithm which is based on the construction of a forest of planning trees, where each tree corresponds to a random realization of the stochastic environment. The trees are constructed using a “safe” optimistic planning strategy combining the optimistic principle (in order to explore the most promising part of the search space first) with a safety principle (which guarantees a certain amount of uniform exploration). In the decision-making step of the algorithm, the individual trees are aggregated and an immediate action is recommended. We provide a finite-sample analysis and discuss the trade-off between the principles of optimism and safety. We also report numerical results on a benchmark problem. Our algorithm performs as well as state-of-the-art optimistic planning algorithms, and better than a related algorithm which additionally assumes the knowledge of all transition distributions. [less ▲]

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See detailCONTROLLED AND AUTOMATIC MEMORY RETRIEVAL IN ALZHEIMER’S DISEASE
Bastin, Christine ULg; Genon, Sarah ULg; Willems, Sylvie ULg et al

in Proceedings of the 8th Panhellenic Interdisciplinary Conference of Alzheimer's Disease and Related Disorders (2013)

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See detailTraitement de la coordination dans le Syntactic Reference Corpus of Medieval French (SRCMF)
Mazziotta, Nicolas ULg

in Casanova Herrero, Emili; Calvo Rigual, Cesareo (Eds.) Actes du XXVIe Congrès de Linguistique et Philologie Romanes (2013)

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See detailUpbrella and BIM: Rethinking the construction process in residential construction
Forgues, Daniel; Schmitz, Dimitri ULg; Tahrani, Souha

in Hajdu, Miklos; Skibniewski, Miroslaw (Eds.) Proceedings Creative Construction Conference 2013 (2013)

The problems of productivity, predictability and quality in design and delivery of the building product are well documented. Prefabrication, process reengineering and digitalization are proposed as ... [more ▼]

The problems of productivity, predictability and quality in design and delivery of the building product are well documented. Prefabrication, process reengineering and digitalization are proposed as potential solutions to address these issues. One issue that is rarely addressed, however, is the management of the changes required to move from existing to a new paradigm of practices. Organization of work in construction, as opposed to other industries, has barely evolved in the last centuries. The research project studies the impact of the introduction of a new high-rise building construction system and BIM related technologies on the organization of work within a multi- residential project. The aim is to develop a concept of operation on how to reorganize work process within and between practices and trades. Ethnographic methods were used to identify issues regarding the management of information, the organization of work and the perceptions regarding BIM associated technologies and tools such as electronic tablets. Benchmarking and lean production tools such as value stream mapping were also utilized to identify problems of productivity and waste. Waste related to poor management of workflows and information flow was a major issue and had a strong impact on productivity. Contractual context in which there are no incentives for professionals and trades to improve their overall performance (no share responsibilities and fragmented obligations) was identified as the principal obstacle to changes in existing practices. Traditional project management practices proved to be inefficient to compensate the lack of coordination and collaboration between the project stakeholders. However, even if the use of BIM proved to be impractical in this context, tablets were well received as a way to improve collaboration and coordination of the work. A concept of operation was derived from the lessons learned that will be validated in the next pilot project. [less ▲]

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See detailChildren’s Knowledge About Memory: Adaptation and French Validation of a Scale to Assess it.
Geurten, Marie ULg; Catale, Corinne ULg; Meulemans, Thierry ULg

in INS Abstract Book (2013)

The present study aimed at adapting and testing a French version of Kreutzer et al.’s metamemory interview (1975) in a group of 128 children aged of 4, 6, 9, and 12. Following Fritz et al. (2010 ... [more ▼]

The present study aimed at adapting and testing a French version of Kreutzer et al.’s metamemory interview (1975) in a group of 128 children aged of 4, 6, 9, and 12. Following Fritz et al. (2010), adjustments have been made to reduce language skill contamination as well as to increase the developmental appropriateness and sensibility of the scale. Results show the emergence of two sub-scales (“strategy knowledge” and “general memory knowledge”) on the factor analysis and reveal an excellent interrater reliability as well as a good internal consistency for the global scale and two sub-scales (respectively, Cronbach α = .79; .81 and .71). As expected with regard to the literature, a significant correlation has appeared between the metamemory scale and short-term memory capacities (convergent validity). Similarly, the metamemory score has shown its ability to predict children memory performance (predictive validity). Finally, the lack of correlation between most of the scale’s items and vocabulary measurement (Peabody Picture Vocabulary Test) and the very good ability of the scale to distinguish between age groups demonstrate that the adaptations made to improve the Kreutzer et al.’s scale in terms of language’s contamination and developmental sensibility have reached their goal. Regarding its psychometric properties, these results suggest that this interview can be considered as a useful and reliable tool for developmental research. Furthermore, they confirm the importance of metamemory knowledge in memory performance. Future studies will have to be carried out to show the utility of this scale in a clinical population. [less ▲]

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See detailOrganic Rankine Cycle Systems: A Techno-Economic Overview
van den Broeck, Martijn; Quoilin, Sylvain ULg; Declaye, Sébastien ULg et al

in Proceedings of EMC 2013 (2013)

The potential of organic Rankine cycle (ORC) technology for waste heat recovery in industry is discussed. This survey includes a market overview, a discussion of the key differences with steam turbine ... [more ▼]

The potential of organic Rankine cycle (ORC) technology for waste heat recovery in industry is discussed. This survey includes a market overview, a discussion of the key differences with steam turbine technology, some main selection issues (components and working fluid) and an outlook on the future of the technology. [less ▲]

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See detailDislocations à gauche et nature des subordonnants en Latin classique
Longrée, Dominique ULg; Philippart de Foy, Caroline ULg; Purnelle, Gérald ULg

in Bodelot, Colette; Gruet-Skrabalova, Hana; Trouilleux, François (Eds.) Morphologie, syntaxe et sémantique des subordonnants (2013)

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See detailOptimized Look-Ahead Trees: Extensions to Large and Continuous Action Spaces
Jung, Tobias ULg; Ernst, Damien ULg; Maes, Francis

in Proc. of IEEE Symposium on Adaptive Dynamic Programming and Reinforcement Learning (ADPRL'13) (2013)

This paper studies look-ahead tree based control policies from the viewpoint of online decision making with constraints on the computational budget allowed per decision (expressed as number of calls to ... [more ▼]

This paper studies look-ahead tree based control policies from the viewpoint of online decision making with constraints on the computational budget allowed per decision (expressed as number of calls to the generative model). We consider optimized look-ahead tree (OLT) policies, a recently introduced family of hybrid techniques, which combine the advantages of look-ahead trees (high precision) with the advantages of direct policy search (low online cost) and which are specifically designed for limited online budgets. We present two extensions of the basic OLT algorithm that on the one side allow tackling deterministic optimal control problems with large and continuous action spaces and that on the other side can also help to further reduce the online complexity. [less ▲]

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See detailL'évolution jurisprudentielle sur le statut du notaire
Donnay, Luc ULg

in Leleu, Yves-Henri (Ed.) Chroniques notariales (2013)

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See detailThe phosphate minerals assemblages from Jocão pegmatite, Minas Gerais, Brazil.
Baijot, Maxime ULg; Hatert, Frédéric ULg; Philippo, S

in PEG2013 – 6th International Symposium on Granitic Pegmatites, Abstract book, (2013)

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See detailEtude tribologique sur des lubrifiants solides à haute température dans des machines de détente
Legros, Arnaud ULg; Zaïdi, Hamid; Diny, Mouad et al

in La tribologie : fondamentaux et applications complexes (2013)

Dans le cadre de la conception d’un expanseur dédié à la récupération d’énergie à l’échappement d’un moteur à combustion interne, une étude sur des lubrifiants solides a été menée afin de choisir le ... [more ▼]

Dans le cadre de la conception d’un expanseur dédié à la récupération d’énergie à l’échappement d’un moteur à combustion interne, une étude sur des lubrifiants solides a été menée afin de choisir le couple de matériaux adéquat pour le joint principal de la machine. Ce joint doit assurer à la fois une fonction d’étanchéité interne et limiter ainsi les pertes par fuites internes de l’expanseur. Il doit également présenter un coefficient de frottement la plus faible possible afin de réduire les pertes par friction. Ce joint est en effet sollicité par des contraintes en frottement plan dans un environnement sous vapeur d’eau à des températures pouvant atteindre 250°C. Ces températures rendent complexe l’utilisation d’huile et le recours à des matériaux auto lubrifiants est dès lors l’unique solution. [less ▲]

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See detailEvaluation de la durabilité des productions porcines en Wallonie : développement d'un outil de modélisation
Picron, Pascale ULg; Boudry, Christelle ULg; Dochain, Denis et al

in 45èmes Journées de la Recherche Porcine (2013)

Garantir la durabilité d’une filière de production implique d’évaluer son impact sur les trois dimensions du développement durable : (1) maîtrise des impacts sur l’environnement, (2) viabilité économique ... [more ▼]

Garantir la durabilité d’une filière de production implique d’évaluer son impact sur les trois dimensions du développement durable : (1) maîtrise des impacts sur l’environnement, (2) viabilité économique, (3) attentes sociétales des éleveurs, des citoyens et des consommateurs. Cette recherche s’inscrit dans le cadre de la révision, par les autorités publiques de Wallonie (Belgique), des critères minimaux permettant la reconnaissance de la qualité différenciée axés sur les 3 piliers de la durabilité. Elle consiste à développer un outil informatique de modélisation mathématique du fonctionnement technico-environnemental de la production porcine et de ses impacts socio-économiques. Le programme est développé dans Matlab. Le modèle s’articule autour des différentes composantes des systèmes de production selon le paradigme orienté-objet. Les nouveaux critères de différenciation qui définiront de nouveaux labels axés sur des attributs de durabilité en constituent les variables motrices : taille de l’exploitation, origine des aliments et des matières premières, logement, indépendance énergétique, effluents, etc. Les impacts sont relevés à chaque étape de production jusqu’à la sortie du porc sur pied de la ferme selon la norme « Analyse de Cycle de Vie » (ACV). L’évaluation environnementale utilise des modèles mécanistiques de flux de composés chimiques, convertis en indicateurs ACV. L’analyse de la dimension sociale s’appuie sur une base de données intégrée, comprenant le temps de travail. Enfin, un modèle économique attestera du dernier volet. L’outil finalisé permettra de prédire les conséquences de choix opérationnels liés aux critères de qualité différenciée au niveau d’une exploitation. [less ▲]

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See detailInvestigation of the glucose metabolism of the embryonic and neonatal broiler chicks by injection of insulin
Franssens, L.; Lesuisse, J.; Koppenol, A. et al

in EAAP series (2013)

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See detailAutomatic differentiation between Alzheimer’s Disease and Mild Cognitive Impairment combining PET data and psychological scores
Segovia-Román, Fermín ULg; Bastin, Christine ULg; Salmon, Eric ULg et al

in 3rd International Workshop on Pattern Recognition in Neuroimaging (2013)

In recent years, several approaches to develop computer aided diagnosis systems for dementia have been pro- posed. The purpose of this work is to measure the advantages of using not only brain images as ... [more ▼]

In recent years, several approaches to develop computer aided diagnosis systems for dementia have been pro- posed. The purpose of this work is to measure the advantages of using not only brain images as data source for those systems but also some psychological scores. To this aim, we compared the accuracy rates achieved by systems that use psychological scores beside the image data in the classification step and systems that use only the image data. The experiments show that the formers achieve higher accuracy rates regardless of the procedure carried out to analyze the image data. [less ▲]

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See detailQuelques considérations sur la préservation de l'authenticité des quartiers résidentiels modernes du nord de Bucarest
Dawans, Stéphane ULg; Houbart, Claudine ULg

in Crisan, Rodica (Ed.) Conservation / Regeneration. The modernist neighborhood (2013)

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See detailToward Predictable Performance in Decision Tree-based Packet Classification Algorithms
He, Peng; Guan, Hongtao; Mathy, Laurent ULg et al

in IEEE LANMAN 2013 (2013)

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See detailUnsupervised Learning Of Predictive Parts For Cross-object Grasp Transfer
Detry, Renaud ULg; Piater, Justus

in IEEE/RSJ International Conference on Intelligent Robots and Systems (2013)

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See detailMicrocracks-induced damage modelling for transversely isotropic rock
Levasseur, Séverine ULg; Welemane, Hélène; Kondo, Djimédo

in 3rd International Symposium on Computational Geomechanics (ComGeo III) (2013)

Detailed reference viewed: 29 (7 ULg)
See detailIn ovo injection of tolbutamide alters the post-hatch performance and insulin sensitivity of broiler chickens
Franssens, L.; Lesuisse, J.; Wang, Y. et al

in Proceedings of the 6th Combined Workshop on Fundamental Physiology and Perinatal Development in Poultry (2013)

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See detailEarthquakes, Landslides, Dams and Reservoirs in the Tien Shan, Central Asia
Havenith, Hans-Balder ULg; Abdrakhmatov, Kanatbek; Torgoev, Isakbek et al

in Margottini, Claudio; Sassa, Kyoji (Eds.) Landslide Science and Practice (2013)

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See detailImpact of different scenarios related to the new Common Agricultural Policy on farm income in Wallonia
Burny, Philippe ULg; Terrones Gavira, François ULg; Habran, Maxime ULg

in Lorencowicz, Edmund; Uziak, Jacek; Huyghebaert, Bruno (Eds.) VI International Scientific Symposium "Farm Machinery and Processes Management in Sustainable Agriculture" : Symposium Proceedings (2013)

The Common Agricultural Policy (CAP) has been reformed several times since the treaty of Rome in 1958. For the period 2014-2020 at the European level, a new CAP had to be agreed upon by the 27 Member ... [more ▼]

The Common Agricultural Policy (CAP) has been reformed several times since the treaty of Rome in 1958. For the period 2014-2020 at the European level, a new CAP had to be agreed upon by the 27 Member States and the EU parliament. Discussions were launched in 2010 and several proposals were made. In Belgium, as agricultural policy is regionalized, the Walloon Minister for Agriculture decided to support academic research in order to assess the possible impact of different scenarios on farm income, and so to help the regional authorities to take decisions when the EU legislation would be adopted, giving a large set of possibilities to the Members States/regions. So, different scenarios were defined with the partners of the administration, including farmers' unions, and their impacts on farm income were calculated. [less ▲]

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See detailLe cas des systèmes hypothétiques coordonnés du grec ancien
Denizot, Camille ULg

in Bodelot, Colette; Gruet-Skrabalova, Hana; Trouilleux, François (Eds.) Morphologie, syntaxe et sémantique des subordonnants (2013)

On rencontre, dans l’Iliade et chez Hérodote, principalement, des systèmes hypothétiques où la protase (introduite par εἰ) et l’apodose sont en outre coordonnés par μέν / δέ. Ces occurrences paradoxales ... [more ▼]

On rencontre, dans l’Iliade et chez Hérodote, principalement, des systèmes hypothétiques où la protase (introduite par εἰ) et l’apodose sont en outre coordonnés par μέν / δέ. Ces occurrences paradoxales peuvent être expliquées de manière satisfaisante si on sépare soigneusement le niveau sémantique (où l’hypothèse peut être expliquée) et le niveau syntaxique (où le caractère non subordonné de la protase peut être démontré) ; cette explication permet de décrire les emplois non subordonnants de εἰ sans avoir à les faire dériver d’une structure subordonnée. [less ▲]

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See detailSpicules or no spicules in Devonian stromatoporoids, that’s the question?
Da Silva, Anne-Christine ULg; Kershaw; Boulvain, Frédéric ULg et al

in Whalen; Osadetz; Richards (Eds.) et al IGCP-580/596, Geophysical and Geochemical techniques : a window on the Paleozoic world, Abstract book (2013)

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See detailDe la signification du Noaillien et du Rayssien
Touzé, Olivier ULg

in de la Heras, Carmen; Lasheras, José Antonio; Arrizabalaga, Alvaro (Eds.) et al Pensando el Gravetiense: nuevos datos para la región cantábrica en su contexto peninsular y pirenaico (2013)

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See detailLa production céréalière biologique en Wallonie
Debode, F.; Schiepers, H.; Burny, Philippe ULg

in Destain, J.-P.; Bodson, B. (Eds.) Livre Blanc "Céréales", édition février 2013 (2013)

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See detailIs organic farming the solution for the future of Walloon agriculture ?
Burny, Philippe ULg; Debode, Frédéric

in Atkociuniene (Ed.) The Sixth International Scientific Conference "Rural Development 2013" : Proceedings, volume 6, book 1 (2013)

Organic farming is considered to be one of the solutions for the problems of sustainability faced today by the agriculutral sector. This paper describes the growth of the Walloon organic sector during the ... [more ▼]

Organic farming is considered to be one of the solutions for the problems of sustainability faced today by the agriculutral sector. This paper describes the growth of the Walloon organic sector during the last years thanks to the support of the regional authorities through financial incentives and a new regional strategic development plan. It also presents some results collected during an on-farm survey concerning organic cereals. It appears that organic farming has significantly developed thaks to public support even if the prices of organic products are exceeding by 30% those of conventional products. Organic farming can play a significant role in the future of Walloon agriculture. However, due to the high conversion rate during these last years, it is not guaranteed that the financial support could be conserved at a such level. [less ▲]

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See detailMagnetic fields in O stars
Nazé, Yaël ULg

in proceedings of "Putting A-stars into context" (2013)

Over the last decade, large-scale, organized (generally dipolar) magnetic fields with a strength between 0.1 and 20 kG were detected in dozens of OB stars. This contribution reviews the impact of such ... [more ▼]

Over the last decade, large-scale, organized (generally dipolar) magnetic fields with a strength between 0.1 and 20 kG were detected in dozens of OB stars. This contribution reviews the impact of such magnetic fields on the stellar winds of O-stars, with emphasis on variability and X-ray emission. [less ▲]

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See detailThe astronomical calibration of the Givetian (Middle Devonian) time scale (Dinant Synclinorium, Belgium).
De Vleeschouwer; Boulvain, Frédéric ULg; Da Silva, Anne-Christine ULg et al

in American Geophysical Union Fall Meeting, Abstract (2013)

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See detailDu Grand Monarque au Mouton Blanc. Souvenirs d'écrivains
Droixhe, Daniel ULg

in Droixhe, Daniel (Ed.) Spa, carrefour de l'Europe des Lumières. Les hôtes de la cité thermale au XVIIIe siècle, sous la dir. de Daniel Droixhe, avec la collaboration de Muriel Collart (2013)

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See detailLes charpentes de toiture en région bruxelloise : datation et étude typologique
Hoffsummer, Patrick ULg; Modrie, Sylvianne; Weitz, Armelle ULg

in Chronique, Archaeologia Mediaevalis 36, Bruxelles, 2013. (2013)

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See detailBuilding a Construction-Based Treebank of Late Egyptian. The Syntactic Layer in Ramsès
Polis, Stéphane ULg; Rosmorduc, Serge

in Polis, Stéphane; Winand, Jean (Eds.) Texts, Languages & Information Technology in Egyptology. Selected papers from the meeting of the Computer Working Group of the International Association of Egyptologists (Informatique & Égyptologie), Liège, 6-8 July 2010 (2013)

This paper reports on the construction-based Treebank currently under development in the frame-work of the Ramses Project, which aims at building a multifaceted annotated corpus of Late Egyptian texts. We ... [more ▼]

This paper reports on the construction-based Treebank currently under development in the frame-work of the Ramses Project, which aims at building a multifaceted annotated corpus of Late Egyptian texts. We describe the specifications that have been implemented and we introduce the syntactic formalism and the related representation format that are used for the syntactic annotation. Further-more, the annotation scheme is discussed with particular attention paid to its evolutionary nature. Finally, we explain the methods as well as the annotating tool, called SyntaxEditor; we conclude by addressing the question of forthcoming developments, especially the search engine and a context-sensitive parser. [less ▲]

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See detailSymposium - Echec scolaire, redoublement ou décrochage : les croyances des enseignants sous la loupe…
Fagnant, Annick ULg; Poncelet, Débora

in Congrès international. Actualité de al recherche en éducation et en formation. AREF 2013 (2013)

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See detailUnderstanding rural economy of Kirundo farmers province in north of Burundi
Minani, Bonaventure ULg; Rurema, Déo-Guide; Lebailly, Philippe ULg

in Belgian Association of Agricultural Economists (Ed.) 2013 PHD Workshop 29-31 May Leuven : proceedings (2013)

This objective of this study is to analyze the socio-economic, political and environmental various constraints of farming systems that are on the basis of poverty observed in this area in order to ... [more ▼]

This objective of this study is to analyze the socio-economic, political and environmental various constraints of farming systems that are on the basis of poverty observed in this area in order to formulate realistic strategies for increasing the productivity and profitability of family farming in that province. [less ▲]

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See detailThe proportion of ungrazed area of the pasture (PUP) determines when forage intake and diet quality decline in grazing systems
Benvenutti, Marcelo A.; Pavetti, Daniel R.; Cangiano, Carlos A. et al

in Proceedings of the 22nd International Grassland Congress (2013)

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See detailLa dimension "travail", un élément clé pour le maintien de nos systèmes laitiers
Turlot, Amélie; Froidmont, Eric; Bauraind, Catherine et al

in Centre wallon de Recherches agronomomiques (Ed.) 18ème Carrefour des Productions Animales "Nouvelles approches pour une optimisation de nos élevages laitiers" (2013)

Les agriculteurs sont les principaux architectes du milieu rural wallon. En effet, ils assurent la gestion de près de la moitié de la superficie de la Wallonie. On observe néanmoins, depuis quelques ... [more ▼]

Les agriculteurs sont les principaux architectes du milieu rural wallon. En effet, ils assurent la gestion de près de la moitié de la superficie de la Wallonie. On observe néanmoins, depuis quelques années, une régression lente (3%/an) et constante de leur effectif. Confrontés à un contexte changeant, de plus en plus concurrentiel, les agriculteurs sont face à des choix stratégiques difficiles en vue d’optimiser l’efficience de leur exploitation. Pour y parvenir, ils doivent mener une réflexion globale de leur mode de production et intégrer tous les aspects assurant la durabilité de leur exploitation. Pour les aider dans cette démarche, une analyse de la durabilité de 90 exploitations « 100% Lait » (>95% de vaches laitières et pas de culture de rente) a été réalisée dans le cadre de DuraLait et de DuraLait Plus. Ces études sont subsidiées par la DGARNE, Direction de la Qualité. Les piliers économique et social de la durabilité ont été plus particulièrement étudiés dans ces projets. L’organisation du travail a été spécifiquement traitée car elle constitue un enjeu essentiel pour l’avenir de l’agriculture. En effet, les agriculteurs souhaitent soulager la pénibilité de leur travail. Dans un contexte économique difficile, cette dimension est essentielle pour envisager le maintien de l’agriculture dans notre région. Le présent article s’intéresse uniquement aux données relatives à l’organisation du travail. [less ▲]

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See detailRaymond De Becker : une certaine idée de la Belgique. Réflexions sur une identité nationale et culturelle
Lanneau, Catherine ULg

in Dard, Olivier; Deschamps, Etienne; Duchenne, Geneviève (Eds.) Raymond De Becker (1912-1969). Itinéraire et facettes d’un intellectuel réprouvé (2013)

Au fil de ses écrits des années trente – brochures, articles, tribunes libres –, Raymond De Becker (1912-1969), intellectuel et journaliste à la réputation aujourd'hui sulfureuse au vu de son parcours ... [more ▼]

Au fil de ses écrits des années trente – brochures, articles, tribunes libres –, Raymond De Becker (1912-1969), intellectuel et journaliste à la réputation aujourd'hui sulfureuse au vu de son parcours dans la collaboration, s’est beaucoup interrogé sur la Belgique et son histoire. Il est donc possible d’appréhender la mission qu’il lui assigne ou sa définition de l’union nationale mais, surtout, de décrypter l’analyse qu’il fait des rapports entre Flamands, Wallons et Bruxellois et de voir comment il articule cette analyse avec l’évolution de sa pensée sur la notion de race, d’ethnie et de nationalité. Soulever ces différentes questions conduit à interroger, mais en surface, son rapport aux pays voisins et sa vision de l’Europe et de l’Occident. Quelle Belgique idéale Raymond De Becker veut-il construire ? [less ▲]

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See detailDevelopment of organic farming in Wallonia
Burny, Philippe ULg; Debode, Frédéric

in Bran, Florina; Ioan, Ildiko; Maruntelu, Tudor-George (Eds.) et al 5th International Conference "Ecological performance in a competitive economy", Bucharest 7-8 March 2013 : proceedings (2013)

Belgium is a highly densely populated country where agricultural methods usually consume large quantities of inputs, including pesticides and chemical fertilizers. However, organic farming is practiced ... [more ▼]

Belgium is a highly densely populated country where agricultural methods usually consume large quantities of inputs, including pesticides and chemical fertilizers. However, organic farming is practiced since many years and has registered a significant development during the last years, reaching 7% of the number of farmers in Wallonia (South of Belgium) and 7% of the Walloon agricultural area. Presently, the Walloon Minister for Agriculture strongly supports this sector and has proposed a strategic development plan of organic farming, the target being to reach 14% of the Walloon agricultural area in 2020. This paper presents and discusses the situation of organic farming in Wallonia and the main features and challenges of the new strategic development plan. [less ▲]

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See detailExperimental assessment of the effect of the real flame emissivity for steel elements engulfed into fire
Tondini, Nicola; Vassart, Olivier; Franssen, Jean-Marc ULg

in Babrauska, Vytenis; Grayson, Stephen; Hirschler, Marcelo (Eds.) et al Proceedings of the Fire and Materials 2013 Conference (2013)

This paper presents the results of an experimental campaign performed to assess the effect of the flame emissivity for steel members engulfed into fire. In detail, two sizes of circular steel tubes were ... [more ▼]

This paper presents the results of an experimental campaign performed to assess the effect of the flame emissivity for steel members engulfed into fire. In detail, two sizes of circular steel tubes were engulfed into pool fires of two different diameters. Two fuels were used and for both fuels tests without column (used as comparison with existing localised fire models) and with column were performed. The temperature of the column and of the flames were measured at different heights. The width of the flame was also measured and used to calculate the emissivity of the flame the value of which was employed in numerical simulations in order to predict the evolution of the temperature of the steel column. Comparison with numerical analyses where the recommended values of the Eurocode were used is also shown. [less ▲]

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See detailMyeloid Hif1alpha counteracts allergic airway sensitization in mice through macrophage-mediated immunoregulation
Toussaint, Marie ULg; Fievez, Laurence ULg; Drion, Pierre ULg et al

in Abstract book of Keystone Symposium "Myeloid Cells: Regulation and Inflammation" (2013)

Hypoxia Inducible Factor (HIF) has important roles in promoting pro-inflammatory and bactericidal functions in myeloid cells. Conditional genetic ablation of its major subunit Hif1alpha in the myeloid ... [more ▼]

Hypoxia Inducible Factor (HIF) has important roles in promoting pro-inflammatory and bactericidal functions in myeloid cells. Conditional genetic ablation of its major subunit Hif1alpha in the myeloid lineage consequently results in decreased inflammatory responses in classical models of acute inflammation in mice. In contrast, we observed that mice conditionally deficient for Hif1alpha in myeloid cells display enhanced sensitivity to the development of airway allergy to the experimental allergen ovalbumin as well as to house dust mite antigens. Following allergen exposure, these mice indeed developed enhanced allergen-specific T cell responses due to augmented activation of lung dendritic cells. Further analyses supported the idea that upon allergen exposure, MyD88-dependent upregulation of Hif1alpha boosts the expression of the immunosuppressive cytokine Interleukin (IL)-10 by lung interstitial macrophages. Interstitial macrophage-derived IL-10 in turn counteracts allergen-induced lung dendritic cell activation, consequently preventing the development of allergen-specific T cell responses. Thus, this study supports that, in addition to its known pro-inflammatory activities, myeloid Hif1alpha possesses immunoregulatory functions implicated in the prevention of airway allergy. [less ▲]

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See detailImpact of 3000-t blast on unstable slopes near the Kambarata-2 HPP site, Kyrgyzstan
Torgoev, Isakbek; Havenith, Hans-Balder ULg; Strom, Alexander

in Margottini, CLaudio; Sassa, Kioji (Eds.) Landslide Science and Practice (2013)

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See detailNew mesh generation developments in GMSH
Remacle, Jean-François; Johnen, Amaury ULg; Lambrechts, Jonathan et al

in Actes du 11e Colloque National en Calcul des Structures (CSMA 2013), Giens, France (2013)

Detailed reference viewed: 13 (1 ULg)
See detailDepositional facies settings and geochemical proxies of Late Devonian sequences in northwestern Thailand.
Konighsof; Da Silva, Anne-Christine ULg; Suttner et al

in ICPSEA3 2013: The 3rd International Conference on the Palaeontology of South-East Asia. Abstract book (2013)

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See detailEmploi des types de subordination dans un corpus ltin
Denooz, Joseph ULg

in Bodelot, Collette (Ed.) Morphologie, syntaxe et sémantique des subordonnants (2013)

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See detailLe bol de Wellin et son "parent" de Valsgärde?
Van Wersch, Line ULg; Mathis, François ULg

in Lorren, Claude (Ed.) La Gaule, le monde insulaire et l'Europe du Nord au haut Moyen Age (2013)

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See detailA new super-element for estimating the collision resistance of an inclined ship side
Buldgen, Loïc ULg; Le Sourne, Hervé; Rigo, Philippe ULg

in Advancements in Marine Structures : Proceedings of MARSTRUCT 2013, the 4th International Conference on Marine Structures, Espoo, Finland, 25th – 27th March 2013 (2013)

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See detailComment favoriser la régulation interactive lors d’activités de résolution de problèmes en petits groupes ?
Demonty, Isabelle ULg; Dupont, Virginie ULg; Fagnant, Annick ULg

in Congrès international. Actualité de la recherche en éducation et en formation. AREF 2013 (2013)

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See detailAre Designers Sufficiently Instructed to Make the Most Rewarding Use of the Latest Steel Codes?
Maquoi, René ULg

in 2013 SSRC Stability Conference (2013)

Series of comments stressing some points of Eurocode 3 which must be duly mastered to enable more economical design of steel structures.

Detailed reference viewed: 28 (0 ULg)
See detailEffects of dietary A-lipoic-acid on feed intake and hypothalamic AMPK activity of young broiler chicks
Wang, Y.; Willems, E.; Franssens, L et al

in Proceedings of the 6th Combined Workshop on Fundamental Physiology and Perinatal Development in Poultry (2013)

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See detailShort overview of global sustainable development indicators
Paveliuc Olariu, Codrin ULg; Burny, Philippe ULg

in Bran, Florina; Ioan, Ildiko; Maruntelu, Tudor-George (Eds.) et al 5th International Conference "Ecological performance in a competitive economy", Bucharest 7-8 March 2013 : proceedings (2013)

In this paper, a bibliographical review of current sustainable development indicators used at regional and global level is presented. This review was undertaken as part of an analysis on the status quo on ... [more ▼]

In this paper, a bibliographical review of current sustainable development indicators used at regional and global level is presented. This review was undertaken as part of an analysis on the status quo on how to measure sustainable development and the ways to quantify results regarding set goals. Its purpose is to establish if the results of the actions taken in order to achieve the targets of the Millennium Development Goals (MDG) and those that will be taken in order to reach the target of the Sustainable Development Goals (SDG). [less ▲]

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See detailPattern Recognition for Neuroimaging Toolbox
Schrouff, Jessica ULg; Rosa, Maria; Rondina, Jane et al

in Suykens, J.A.K.; Argyriou, A.; De Brabanter, K. (Eds.) et al International workshop on advances in Regularization, Optimization, Kernel Methods and Support Vector Machines: theory and applications (ROKS 2013), Book of Abstracts (2013)

In the past years, mass univariate statistical analyses of neuroimaging data have been complemented by the use of multivariate pattern analyses, especially based on machine learning models. While these ... [more ▼]

In the past years, mass univariate statistical analyses of neuroimaging data have been complemented by the use of multivariate pattern analyses, especially based on machine learning models. While these allow an increased sensitivity for the detection of spatially distributed e ffects compared to univariate techniques, they lack an established and accessible software framework. Here we introduce the \Pattern Recognition for Neuroimaging Toolbox" (PRoNTo), an open-source, cross-platform and MATLAB-based software comprising many necessary functionalities for machine learning modelling of neuroimaging data. [less ▲]

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See detailTransboundary hydraulic modelling of extreme floods in the Meuse River
Dewals, Benjamin ULg; Erpicum, Sébastien ULg; Pirotton, Michel ULg et al

in The Wise Find Pleasure in Water (2013)

Detailed inundation modelling was conducted along a 100 km long transnational section of the Meuse River (in Belgium and The Netherlands), using very similar models for the whole computation (2D unsteady ... [more ▼]

Detailed inundation modelling was conducted along a 100 km long transnational section of the Meuse River (in Belgium and The Netherlands), using very similar models for the whole computation (2D unsteady models). As a result, damping of the flood waves could be quantified and the possible relevance of using a steady-state approach could be assessed. The new detailed 2D hydraulic simulations have demonstrated that only a very limited damping of the flood waves occurs along the simulated reaches. From the perspective of the variation in peak discharge, the study concludes that running the hydraulic model in steady mode makes perfectly sense. Nonetheless, the steady computations lead to extensive overestimations of the inundated extent and of the stored volume in the floodplains. The 2D unsteady model constitutes also a tool of primary interest, which is readily available to design and evaluate protection measures for flood-prone areas such as in the city of Liege. [less ▲]

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See detailDepositional facies settings and geochemical proxies of Late Devonian sequences in northwestern Thailand.
Königshof, Peter; Racki, G.; Savage, N. et al

in ICPSEA3 2013: The 3rd International Conference on the Palaeontology of South-East Asia. Abstract book (2013)

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See detailLes relations père/fille dans le Roman en prose de Guillaume d'Orange
Henrard, Nadine ULg

in Füg-Pierreville, Corinne (Ed.) Les relations entre les hommes et les femmes dans la Chanson de geste. Actes du colloque international de Lyon des 28 et 29 novembre 2011 (2013)

Etude des relations entre les pères et leur(s) fille(s) dans le Cycle de Guillaume d'Orange, et en particulier dans sa mise en prose, qui récrit vers 1450 treize des vingt-quatre chansons du cycle, pour ... [more ▼]

Etude des relations entre les pères et leur(s) fille(s) dans le Cycle de Guillaume d'Orange, et en particulier dans sa mise en prose, qui récrit vers 1450 treize des vingt-quatre chansons du cycle, pour voir si ce texte tardif modifie les données des poèmes quant à ce lien de parenté. Sont étudiés les aspects affectifs de la paternité et le rôle des pères dans la destinée des filles, ce qui permet d'envisager la manière dont est traitée dans les textes littéraires la problématique du consentement des filles au moment du mariage. Alors que Boniface représente pour Hermengart un père affectueux et attentif aux souhaits de son héritière, Aymeri et Louis sont pour leurs filles respectives des pères peu impliqués, qui délèguent à Guillaume la négociation des alliances matrimoniales. C'est donc un frère ou un oncle maternel qui se substitue à un père encore actif pour régler le sort des filles. Cet effacement des pères s'explique littérairement par la volonté de promouvoir le héros éponyme du cycle en chef de clan, mais la question est de savoir une réalité historique vient soutenir ce phénomène qui substitue l'autorité du frère à celle du père. [less ▲]

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See detailA continuous fluid/solid transition model for semi-solid material modeling. Application to thixoforging.
Ponthot, Jean-Philippe ULg; Koeune, Roxane; Boman, Romain ULg

in 33° SENAFOR (CD) (2013)

This paper deals with the simulation of two extrusion tests by thixoforming: a non stationary extrusion test and a double-cup extrusion test. The simulations are based on a thermo-mechanical one-phase ... [more ▼]

This paper deals with the simulation of two extrusion tests by thixoforming: a non stationary extrusion test and a double-cup extrusion test. The simulations are based on a thermo-mechanical one-phase constitutive law that has been presented in details in several previous papers. A campaign of experimental extrusion testing has been conducted on a steel alloy and the comparison between the numerical and experimental results will validate the model under study. A new feature that has been added to the model is also discussed: the introduction of the phase change thermal effects such as the fusion latent heat and the contraction of the material [less ▲]

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See detailAir CO2 in Comblain-au-Pont Cave (Belgium). Relationships with soil CO2 and open air meteorology
Godissart, Jean; Ek, Camille ULg

in International Congress of Speleology Proceedings (2013)

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See detailDynamic Computation and Design of a World’s Record Death-Ride
Denoël, Vincent ULg; Canor, Thomas ULg; Demanet, Johan

in Proceedings of the 4th International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering (2013)

A death-ride is a long cable anchored between two dead ends, allowing the crossing of wide valleys. Besides these mobility purposes, it is also operated in rescue operations, or simply for leisure. From a ... [more ▼]

A death-ride is a long cable anchored between two dead ends, allowing the crossing of wide valleys. Besides these mobility purposes, it is also operated in rescue operations, or simply for leisure. From a serviceability viewpoint, a death-ride design should offer a comfortable and/or enjoyable journey to the riders, which is typically expressed in terms of maximum velocity. From a strength viewpoint, a death-ride should be designed in order to safely withstand the cable self-weight, wind forces, the rider’s load and at last but not least, the initial tension in the cable. Actually, the tensioning operation is usually subtle. Indeed, in case of a loose cable, the rider may be stopped in the in-span sagging area. Conversely a too tight cable will generate large stresses but also large outlet velocity at the end of the ride. The design of a death-ride is a tradeoff between all these aspects. The paper presents the dynamic model that was used for the design of a 1.2km long death-ride, with an only 10-mm diameter, a constraint fixed in the very first stages of this project for compatibility reasons, with the existing equipment. This death-ride, built and used in May 2010 in a Grimp competition [1], has a world record of the longest death-ride in urban area. The structural part of the dynamic model is rather common, with a co-rotational description of the cable by means of a chain-like model [2]. An interesting feature, however, concerns the interaction between the rider and the cable. In fact, because the pulley is rolling on the cable, the position of the force acting on the cable, resulting from the ride, depends on the rider’s velocity, which itself depends on the cable inclination. This coupling is solved in a staggered manner, and the details of the algorithm are given in the full paper. In some limiting cases, a comparison with analytical solutions is also provided, where these analytical solutions are available [3]. Experimental validation and observation of the operated death-ride will also be presented. [less ▲]

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See detailInvestigation of the determinants of the mental knowledge of public parking facilities
Cools, Mario ULg; van der Waerden, Peter; Janssens, Davy

in Proceedings of the 13th World Conference on Transport Research (2013)

This paper presents a study regarding the determinants of travellers’ mental knowledge of public parking facilities. The data regarding the mental knowledge were collected in the city of Hasselt, Belgium ... [more ▼]

This paper presents a study regarding the determinants of travellers’ mental knowledge of public parking facilities. The data regarding the mental knowledge were collected in the city of Hasselt, Belgium, by means of an internet-based questionnaire. In total 1007 respondents completed the questionnaire. Two different dependent variables were specified: the mental representation of parking facilities (known or not) and the identification of parking facilities (identified first or not). In addition, three different groups of determinants were included in the models: parking attributes, personal characteristics, and mental knowledge of the city. The data are analyzed using generalized estimating equations (GEE) models for binary data. The analyses show a considerable influence of the following parking attributes: type of parking facility, Park & Ride status, charged parking, number of places, and location of parking facility. Furthermore our study revealed that personal characteristics and mental knowledge of the city play a marginal role. [less ▲]

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See detailDevelopment of a simplified measuring procedure for ammonia emission from agricultural constructions
Vranken, Erik; Cabaraux, Jean-François ULg; Berckmans, Daniel

in Berckmans, D.; Vandermeulen, J. (Eds.) Precision Livestock Farming ‘13 (2013)

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See detailTraining-induced decrease of cytokines production by equine alveolar macrophages
Waldschmidt, Ingrid ULg; Frellstedt, Linda ULg; Art, Tatiana ULg et al

in Proceedings of the 6th Congress of the European College of Equine Internal Medicine (ECEIM) (2013)

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See detailApports des configurations spatiales augmentées aux activités de formation par projet
Ben Rajeb, Samia ULg; Leclercq, Pierre ULg

in van de Leemput, Cécile; Chauvin, Christine; Hellemans, Catherine (Eds.) Activités humaines, technologies et bien être (2013)

Cet article présente et discute l’analyse des implications de quatre configurations spatiales augmentées (CSA) sur des activités collaboratives en formation par projet. Ces configurations sont permises ... [more ▼]

Cet article présente et discute l’analyse des implications de quatre configurations spatiales augmentées (CSA) sur des activités collaboratives en formation par projet. Ces configurations sont permises grâce au dispositif Studio Digital Collaboratif, dont le logiciel SketSha (Sketch Sharing) permet le partage d’annotations et de documents graphiques à distance et en temps réel. L’analyse de ces implications est conduite ici de façon qualitative et selon quatre axes, mettant en évidence leurs atouts et limitations : - la réalisation de soi : développement des compétences en situations de conception collaborative; - la production collective : requalification du document comme objet intermédiaire pour la collaboration; - les relations entre les acteurs : reconsidération de la hiérarchie et émergence d'une synchronisation cognitive; - la requalification des espaces de travail : remise en cause de la dichotomie co-présence / à distance dans les collaborations synchrones. [less ▲]

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See detailUsing agro-hydrology to adapt to climate evolutions
Degré, Aurore ULg; Sohier, Catherine ULg; Bauwens, Alexandra ULg et al

in Dewals, Benjamin; Fournier, Maité (Eds.) Transboundary Water Management in a Changing Climate (2013)

Natural phenomena such as floods, drought, erosion, nitrate leaching and plant growth are influenced by climate change. The Soil - Water Systems division of Gembloux Agro-Bio Tech aims at studying these ... [more ▼]

Natural phenomena such as floods, drought, erosion, nitrate leaching and plant growth are influenced by climate change. The Soil - Water Systems division of Gembloux Agro-Bio Tech aims at studying these phenomena; better understanding processes; modelling them in order to predict their change in the future and to assess their potential consequences. Then, we can propose strategies to adapt to these changes. As an agronomy faculty, we believe that adapting agriculture can play a major role in mitigating climate evolution effects at plot and catchment scales. [less ▲]

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See detail) Shallow water facies setting around the Kačák Event – Microfacies, MS studies, and geochemical proxies.
Königshof; Da Silva, Anne-Christine ULg; Suttner et al

in ICPSEA3 2013: The 3rd International Conference on the Palaeontology of South-East Asia. Abstract book (2013)

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See detailNumerical Exploration of Oscillation Modes in Rapidly Rotating Stars
Ballot, Jérôme; Lignières, François; Reese, Daniel ULg

in Goupil, M.; Belkacem, K.; Neiner, C. (Eds.) et al Studying Stellar Rotation and Convection (2013)

In this chapter, we show that two-dimensional oscillation codes help us to improve our knowledge of the effects of rapid rotation on acoustic (p) and gravity (g) modes. We first discuss how to solve the ... [more ▼]

In this chapter, we show that two-dimensional oscillation codes help us to improve our knowledge of the effects of rapid rotation on acoustic (p) and gravity (g) modes. We first discuss how to solve the full problem of stellar oscillations in rapidly rotating stars by including the effects of the Coriolis force as well as those of the centrifugal distortion. We illustrate the development and the validation of a 2-D code using the Two-dimensional Oscillation Program (TOP) as an example. We then describe what strategies are being developed to explore the p- and g-mode spectra, how effective these methods are, and what intrinsic difficulties they face. In the last part of this chapter, we present results obtained with these techniques. [less ▲]

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See detailReprésentation de l'oral et structures syntaxiques dans la prose de la _Queste del saint Graal_ (1225-1230)
Glikman, Julie; Mazziotta, Nicolas ULg

in Lagorgette, Dominique; Larrivée, Pierre (Eds.) Représentations du Sens Linguistique 5 (2013)

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See detailLectio bilingue, bilinguismo della lectio sull’accentazione grafica nei papiri latini: sondaggi dai PNess. II 1 e 2
Scappaticcio, Maria Chiara ULg

in Bilinguisme et digraphisme dans le monde gréco-romain: l’apport des papyrus latins (2013)

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See detailInvestigation of the influence of packing geometry and of liquid viscosity on the liquid flow morphology by using X-ray tomography
Janzen, Anna; Steube, Julia; Kenig, Evgeny et al

in Proceedings of the 7th World Congress on Industrial Process Tomography (2013)

X-ray tomography is used to investigate the influence of packing geometry and of liquid viscosity on hydrodynamic quantities, as well as on the liquid flow morphology inside a packed column successively ... [more ▼]

X-ray tomography is used to investigate the influence of packing geometry and of liquid viscosity on hydrodynamic quantities, as well as on the liquid flow morphology inside a packed column successively filled with two structured metallic packing, M752Y and M500X. As expected, liquid holdup and gas-liquid interfacial area increase with liquid flow rate and viscosity. In both packings, the film flow pattern predominates, while flooded regions remain minority. The influence of liquid flow rate and viscosity on flow morphology depends on the packing geometry. In M752Y, film and flooded region flows are clearly influenced, whereas in M500X, they are not. [less ▲]

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See detailDe l'office de la Trinité pour le diocèse de Liège au Xe siècle. Liège, Metz, Mayence, Saint-Gall
Close, Florence ULg

in Kupper, Jean-Louis; Wilkin, Alexis (Eds.) Évêque et prince. Notger de Liège et la Basse-Lotharingie aux alentours de l’an mil (2013)

La tradition liégeoise reste attachée à la personne de l’évêque Étienne (901-920) qui, à l’aube du Xe siècle, montait sur le siège de saint Lambert. Son œuvre a joui d’une renommée certaine au fil des ... [more ▼]

La tradition liégeoise reste attachée à la personne de l’évêque Étienne (901-920) qui, à l’aube du Xe siècle, montait sur le siège de saint Lambert. Son œuvre a joui d’une renommée certaine au fil des siècles . Elle a connu un grand succès mesurable à l’aune des copies manuscrites dont elle a fait l’objet. On reconnaît désormais à cet évêque un rôle non négligeable dans la diffusion d’un procédé musical mis au point, dans le courant du IXe siècle, dans les abbayes d’Elnone et de Saint-Thierry de Reims. Pourtant, Étienne de Liège n’a, de toute évidence, pas fait école dans la cité mosane . On douta même longtemps de la part qui fut effectivement la sienne dans la composition de ces œuvres. Cet article s'interroge sur les motifs de cette remise en cause des qualités littéraires et musicales du dernier évêque carolingien liégeois. Quelle image ce prélat laissa-t-il à ses ouailles et à ses successeurs ? Quelle influence exerça-t-il réellement sur la production musicale et liturgique ultérieure ? Notger contribua-t-il à la diffusion de son œuvre ? Cet article propose quelques éléments de réponses à la lumière d'une étude de la tradition manuscrite de l'office de la Trinité. [less ▲]

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See detailQuelques rappels et réflexions sur les rapports entre l'oral et l'écrit en langue et en didactique des langues
Defays, Jean-Marc ULg

in Defays, Jean-Marc; Meunier, Deborah (Eds.) L'oral et l'écrit en didactique des langues romanes (2013)

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See detailDietro, il paesaggio: Misura e ritmo di una strada tra le colline e il Piave.
Bocchi, Renato; Latini, Luigi; Szanto, Catherine ULg

in Architettura del Mondo. Ricerche e progetti dal mondo universitario (2013)

The Alta Marca Trevigiana (Colli del Piave), between Valdobbiadene and Conegliano, doesn't have a definite recognized identity, despite its strong visual character. However, for the visitor driving along ... [more ▼]

The Alta Marca Trevigiana (Colli del Piave), between Valdobbiadene and Conegliano, doesn't have a definite recognized identity, despite its strong visual character. However, for the visitor driving along the “Sinistra Piave”, the landscape is seen as a rhythmical composition of invitation to movement at different scales and at various intensity, that can be compared to a musical composition. The question then is how to transform the road from a simple through-way into an occasion to engage with the Colli del Piave, to transform a “landscape scenery” into an “experienced landscape”. [less ▲]

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See detailMutations urbaines et problématique d'accès à l'eau potable et à l'assainissement dans une zone urbaine d'un pays en développement : cas de la ville de Yaoundé (Centre-Cameroun)
Kouam Kenmogne, Guy-Romain; Djomou Bopda, Serge Laurent; Rosillon, Francis ULg

in Actes du 5ème colloque international Water resources and sustainable development (2013)

La présente étude réalisée dans le bassin versant de l'Abiergué à Yaoundé (Cameroun) a permis de mettre en exergue les lacunes liées aux services d'accès à l'eau potable et à l'assainissement dans le ... [more ▼]

La présente étude réalisée dans le bassin versant de l'Abiergué à Yaoundé (Cameroun) a permis de mettre en exergue les lacunes liées aux services d'accès à l'eau potable et à l'assainissement dans le processus d'urbanisation galopante et non planifiée d'une ville ou d'un pays en développement. Les ménages ont recours au réseau conventionnel (40,3 %), puits (37,1 %), sources (10,1 %), bornes fontaines (9,2 %) et forages (2,4 %) pour couvrir leurs besoins en eau. L'évacuation des excrétas se fait au travers des latrines à fond perdu (58,7 %), latrines à canon (7,7 %), latrines améliorées (5,5 %) et wc modernes avec fosse (24,1 %). Les déchets solides sont évacués suivant divers canaux : bacs publics (49,1 %), enlèvement direct par le concessionnaire (20,2 %), terrains vagues (13,8 %), fosses (6,3 %), rigoles (5,5 %) et service de précollecte (1,7 %). Il incombe en premier aux pouvoirs publics aidés par les acteurs non institutionnels d'y apporter des solutions malgré les pesanteurs d'ordre social, économique et foncier. [less ▲]

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