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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 detailL’ornement au service de la distribution dans les traités d’architecture français
Gilles, Isabelle ULg

in Heering, Caroline; Dekoninck, Ralph (Eds.) Question d’ornement. XVe-XVIIIe siècles : actes du colloque, Namur, 4-5 décembre 2009 (2013)

L’acception du terme ornement diffère d’un traité d’architecture à l’autre, et recouvre, parfois au sein d’un même ouvrage, deux concepts qu'aujourd’hui nous tendons à opposer : le structurel et ... [more ▼]

L’acception du terme ornement diffère d’un traité d’architecture à l’autre, et recouvre, parfois au sein d’un même ouvrage, deux concepts qu'aujourd’hui nous tendons à opposer : le structurel et l’accessoire. Or, si ces deux notions sont replacées, à leur juste mesure, dans la théorie de l’architecture des Temps Modernes, il apparaît clairement que l’ornement, – qu’il soit défini comme un élément de support dans le système des ordres ou comme la décoration générale d’un édifice –, occupe un rôle essentiel dans la conception totale d’un espace bâti, dans laquelle « toutes les parties d’Architecture, de Sculpture, & de Peinture ne doivent faire ensemble qu’un seul & même tout » (Boffrand, 1745). A ce titre, l’ornement assure donc pleinement la fonction sociale, économique, politique… dévolue communément à l’architecture. Dans cette communication, nous proposons d’aborder l’ornement en sa qualité d’élément de composition de l’espace bâti. Plus précisément, à travers les discours des théoriciens français de l’architecture du XVIe au XVIIIe siècle, nous étudierons la façon dont l’ornement intervient dans la question de la distribution des édifices ; cet art français par excellence d’organiser et de définir les espaces de vie. [less ▲]

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See detailAvant-propos
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 direction de Daniel Droixhe, avec la collaboration de Muriel Collart (2013)

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See detailOn differential passivity of physical systems
Forni, Fulvio ULg; Sepulchre, Rodolphe ULg; van der Schaft, Arjan

in 52nd IEEE Conference on Decision and Control (2013)

Differential passivity is a property that allows to check with a pointwise criterion that a system is incrementally passive, a property that is relevant to study interconnected systems in the context of ... [more ▼]

Differential passivity is a property that allows to check with a pointwise criterion that a system is incrementally passive, a property that is relevant to study interconnected systems in the context of regulation, synchronization, and estimation. The paper investigates how restrictive is the property, focusing on a class of open gradient systems encountered in the coenergy modeling framework of physical systems, in particular the Brayton-Moser formalism for nonlinear electrical circuits. [less ▲]

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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 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 detailLe rôle du commerce frontalier des produits alimentaires avec le Rwanda dans l'approvisionnement des ménages de la ville de Bukavu (province du Sud-Kivu)
Vwima Ngezirabona, Stany ULg; Mastaki, Jean-Luc; Lebailly, Philippe ULg

in Brot, Jean (Ed.) Les Cahiers de l'Association Tiers-Monde n° 28-2013 : XXVIIIes Journées sur le Développement "Mobilités internationales, déséquilibres et développement : vers un développement durable et une mondialisation décarbonée ?" (2013)

Ce travail s'inscrit dans un cadre géographique regroupant deux pays (RDC et Rwanda) appartenant à la Communauté Économique des Pays des Grands Lacs (CEPGL) avec le Burundi. Le commerce des produits ... [more ▼]

Ce travail s'inscrit dans un cadre géographique regroupant deux pays (RDC et Rwanda) appartenant à la Communauté Économique des Pays des Grands Lacs (CEPGL) avec le Burundi. Le commerce des produits alimentaires entre population transfrontalière est une réalité: Elle est facilitée par un ensemble d'accords et certaines pratiques de proximité qui n'ont jamais été mises en cause, même pendant les périodes des guerres. Les flux importants de produits alimentaires enregistrés lors de la traversée du corridor frontalier entre Bukavu (RDC) et le district de Rusizi (Rwanda), les difficultés et risques auxquels les petits commerçants et les ménages sont soumis, constituent des éléments qui ont guidé le choix de l'approche conceptuelle. Lors de la traversée des frontières, on peut se rendre compte que la ville de Bukavu et le district de Rusizi (Rwanda) ont des fonctions bien réparties. Alors que Bukavu fonctionne comme un grand centre de consommation, le district de Rusizi s'est positionné stratégiquement comme une ville entrepôt (Soule et Musila, 2005). Ces approvisionnements à partir de l'étranger solidifient encore la dépendance alimentaire de la province du Sud-Kivu en général et la ville de Bukavu en particulier. Ce problème mérite une étude particulière et a guidé aussi le choix de ce travail. Le choix de l'approche conceptuelle de cette étude a été aussi motivé par le souci d'étalonner la contribution du commerce frontalier à la paix, à la lutte contre la pauvreté et à la sécurité alimentaire. Ceci constitue des réponses à plusieurs préoccupations de développement et d'intégration régionale. Dans ce cadre, plusieurs auteurs, comme Johnson et al. (2009), Cling (2006), Tegera et al. (2007), Masato Hayashikawa (2009), ont déjà montré qu'il existe un lien entre commerce, développement et lutte contre la pauvreté. Divers programmes sous-régionaux (CEPGL), régionaux (COMESA, CIRGL), internationaux (Banque mondiale) ainsi que diverses ONGs internationales (Alert International, DFID) s'intéressent à cette problématique. [less ▲]

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See detailAxisymmetric transient modelling of a wind turbine foundation in cohesionless soil using the Prevost’s model
Cerfontaine, Benjamin ULg; Levasseur, Séverine ULg; Charlier, Robert ULg

in Computational Methods in Marine Engineering (2013)

Suction caissons are more and more used for offshore foundations. This paper deals with the cyclic modelling of suction caissons using the Prevost's model. The case study is a 8m large diameter embedded ... [more ▼]

Suction caissons are more and more used for offshore foundations. This paper deals with the cyclic modelling of suction caissons using the Prevost's model. The case study is a 8m large diameter embedded in dense No. 0 Lund sand. Parameters for the model are calibrated using drained triaxial tests. A parametric study concerning the influence of the constitutive law, the skirt length and permeability is carried out. [less ▲]

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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 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 detailComportements et pratiques alimentaires à Kinshasa. Une approche basée sur le rapprochement des conditions de vie et des modes de consommation alimentaires des ménages
Muteba Kalala, Damien ULg; Ntoto, Roger; Lebailly, Philippe ULg

in Société Française d'Economie Rurale (Ed.) 7èmes Journées de Recherches en Sciences Sociales : actes du colloque (2013)

La présente étude part d’un constat selon lequel; des ménages se retrouvent dans une situation d’insécurité alimentaire lorsque leurs modes de vie et moyens d’existence ne sont pas adaptés et qu’ils n’ont ... [more ▼]

La présente étude part d’un constat selon lequel; des ménages se retrouvent dans une situation d’insécurité alimentaire lorsque leurs modes de vie et moyens d’existence ne sont pas adaptés et qu’ils n’ont pas la capacité de trouver un équilibre entre un ensemble de besoins. La demande alimentaire des ménages ne peut donc être analysée indépendamment de l’ensemble des moyens d’existence et conditions de vie des ménages: relations sociales, ressources disponibles, localisation géographique. Trois quartiers de la ville de Kinshasa ont été choisis en fonction de leur niveau présumé de richesse afin d’analyser les modes de consommation alimentaire des ménages. Il s’agit du quartier Résidentiel de la commune de Limete (quartier aisé), les quartiers 1 et 7 dans la commune de Ndjili (quartier moyen) et le quartier Mabulu dans la commune de Makala (quartier pauvre). Le suivi rapproché de 30 ménages a permis de mettre en évidence les liens entre les modes de vie et les modes de consommation alimentaire. S’agissant des modes de vie, il a été identifié que pour accéder à l'alimentation, les ménages ont développé deux stratégies: la diversification des sources des revenus et la diversification des pourvoyeurs de revenus. Le nombre de sources de revenu par ménage est respectivement de 4 dans les ménages moins aisés et de 2 dans les ménages moyens et dans les ménages aisés. Ce nombre tend à augmenter avec la détérioration des conditions de vie. Le revenu hebdomadaire des membres des ménages a été estimé à respectivement 602 USD quartier aisé, 181 USD dans le quartier moyen et 41 USD dans le quartier pauvre. S’agissant des modes de consommation alimentaire, l’étude a montré que :la part des dépenses des céréales tend à diminuer dans les ménages moins aisés. Les racines et tubercules présentent une tendance opposée à celle des céréales. Ce sont les ménages les moins aisés qui consacrent la part relative la plus importante des dépenses pour l’achat des racines et tubercules soit 27% des dépenses alimentaires. Les légumineuses semblent également avoir une grande importance relative chez les ménages les moins aisés. Les ménages achètent davantage de viandes que de poissons. Les fruits sont des produits dont la consommation est saisonnière. La consommation des oeufs sous-forme d’omelette préparée hors ménage est très prisée par les ménages les moins aisés. Dans les ménages aisés, le lait est plus consommé que le sucre, la tendance est inversée pour les moins aisés. La quantité d’aliments consommés/personne/jour a été estimée respectivement à 1 120 grammes dans les ménages aisés, 801 grammes dans les ménages moyens et 493 grammes dans les ménages moins aisés. Les apports énergétiques/personne/jour sont respectivement estimés à 2452 calories dans les ménages aisés, 1838 calories dans les ménages moyens et 1130 calories dans les ménages pauvres. Les apports protéiques/personnes/jour sont respectivement dans l’ordre de 100grammes dans les ménages aisés, 80grammes dans les ménages moyens et 50grammes dans les ménages pauvres. La consommation de protéine ne semble pas être largement déficitaire tant dans les ménages aisés que dans les ménages pauvres. [less ▲]

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See detailPregnancy-associated glycoproteins in sheep: breeds, techniques and achievements
El Amiri, Bouchra; Melo de Sousa, Noelita ULg; Szenci, Otto et al

in Proceedings of the 23rd International Congress of Hungarian Association for Buiatrics (2013)

The aim of the present review is to summarize the achievements on pregnancy-associated glycoproteins in sheep during the last 20 years on terms of results obtained after purifications, molecular biology ... [more ▼]

The aim of the present review is to summarize the achievements on pregnancy-associated glycoproteins in sheep during the last 20 years on terms of results obtained after purifications, molecular biology, radio-immunoassays (RIA), enzyme linked immune sorbent assay (ELISA), double radial immune-diffusion (Ouchterlony) and Western blot techniques. The analysis of documented papers that concerned these attempts showed that the animal genetic material used was composed of variable breeds from north Africa, Europe and USA (the Aragonesa, Ouled Djellal, Laucaun drairy sheep, Berrichone, Texel x Norvegian crossed ewes, Awassi x Merino, Blackheaded Moutton sheep x Blackheaded German Mutton sheep (BGM), Rhoen sheep crosses of BGM with Dorper sheep, Assaf, Chura, Merino, Texel, Suffolk, Boujaâd Moroccan breed). The RIA represents the wildspread technique used (54%) while Oucherlony and Western blot had been limited in use (4% each). From 1990 to 2000 only 27% of the achievements being available today were realized. The main data, profiles and studies were performed from 2000 to now (63%). To conclude, this review allows summarizing and updating the knowledge about the PAG in sheep. [less ▲]

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See detailFoucon de Candie : microscopie et macroscopie de l'interpolation
Moreno, Paola ULg

in Combes, Annie; Szkilnik, Michelle (Eds.) Le texte dans le texte. L'interpolation médiévale (2013)

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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 detailExtension of the DSM to welded H profile cross-sections
Rossi, Barbara ULg; Li, Yongzhen ULg

in Research and Applications in Structural Engineering, Mechanics and Computation (2013)

The objective of the paper is to assess the accuracy of current Direct Strength Method (DSM) equations applied to steel structural welded H shapes in axial compression. Commercialised hot-rolled H ... [more ▼]

The objective of the paper is to assess the accuracy of current Direct Strength Method (DSM) equations applied to steel structural welded H shapes in axial compression. Commercialised hot-rolled H sections covering IPE, HE, HD, HL, HP, W and UB profiles and made of three grades (235MPa, 355MPa and 460MPa) were treated in (Li & Rossi 2012). This analysis focuses on welded sections made of the same three grades, including sections characterized by local buckling with a significant post-buckling reserve. The finite element model is described. Then, the results of a parametric analysis using the finite element model are re-ported. The codified resistances are also compared to the numerical results. For each cross-section, the recently developed analytical expressions provided in (Seif & Schafer 2010) for hot-rolled profiles are used to cal-culate the elastic cross-section local buckling stress. A comparison with CUFSM results is also reported. Then, the possibility to use the concept of DSM for the design of structural welded steel shapes is discussed. [less ▲]

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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 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 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 detailClassification of MCI and AD patients combining PET data and psychological scores
Segovia-Román, Fermín ULg; Bastin, Christine ULg; Salmon, Eric ULg et al

in International Workshop on Advances in Regularization, Optimization, Kernel Methods and Support Vector Machines: theory and applications (2013)

This study’s aim was to measure the advantages of using psychological test data in the automatic classification of functional brain images in order to assist the diagnosis of neurodegenerative disorders ... [more ▼]

This study’s aim was to measure the advantages of using psychological test data in the automatic classification of functional brain images in order to assist the diagnosis of neurodegenerative disorders such as Alzheimer’s disease (AD). Several computer-aided diagnosis systems for AD based on PET images were developed. Some of them used psychological scores beside the image data in the classification step and others did not. The results show the ones that take into account the psychological scores achieve higher accuracy rates. [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 detailThe Ramses project : Methodology and practices in the annotation of Late Egyptian Texts
Polis, Stéphane ULg; Winand, Jean ULg

in Hafemann, Ingelore (Ed.) Perspektiven einer corpusbasierten historischen Linguistik und Philologie : Internationale Tagung des Akademienvorhabens „Altägyptisches Wörterbuch“ an der BBAW, 12.-13. Dezember 2011 (2013)

This paper is an updated presentation of the Ramses project being currently developed at the University of Liège. The first section stresses the main objectives and gives a technical description of the ... [more ▼]

This paper is an updated presentation of the Ramses project being currently developed at the University of Liège. The first section stresses the main objectives and gives a technical description of the general architecture of Ramses software. The second part describes the encoding procedures and reviews the current state of the annotation. In the third section, some changes brought about by the use of large-scale corpora are discussed from an epistemological viewpoint. The paper ends with the presentation of some new avenues for research that will ensue from the use of a complex multilevel corpus. [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 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 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 detailFirst record of Demosponge spicules in a late Devonian stromatoporoid basal skeleton (Frasnian, Belgium).
Reitner; Da Silva, Anne-Christine ULg; Kershaw et al

in Abstracts: Ninth world sponge conference 2013 (2013)

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See detailONELAB: Open Numerical Engineering LABoratory
Geuzaine, Christophe ULg; Henrotte, François; Remacle, Jean-François et al

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

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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 detailEmissions of ammonia, nitrous oxide and methane from pig houses: Influencing factors and mitigation techniques
Philippe, François-Xavier ULg; Nicks, Baudouin ULg

in Reconciling livestock management to the environment - Applying Best Available Technique (BAT): From the lab to the farm (2013)

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See detailAnalyse de l'efficience des traitements de mammites de 60 fermes de Wallonie dans la base LAECEA
Theron, Léonard ULg; Reding, Edouard; Detilleux, Johann ULg et al

in Brard, Christophe (Ed.) Recueil des Journées Nationale des GTV (2013)

Le traitement de la mammite bovine est un acte à part dans la routine d’une exploitation bovine. En effet, si les cas les plus graves sont vus presque systématiquement pas le vétérinaire traitant en ... [more ▼]

Le traitement de la mammite bovine est un acte à part dans la routine d’une exploitation bovine. En effet, si les cas les plus graves sont vus presque systématiquement pas le vétérinaire traitant en France ou en Belgique, la plupart des cas peu sévères font l’objet d’une tacite délégation de diagnostic et de traitement, sur base d’une formation préalable et d’une prescription enregistrée. Aujourd’hui, cette pathologie représente le plus important poste de consommation d’antibiotiques en exploitation laitière. Concernant cette problématique, la profession vétérinaire doit disposer de nouveaux outils de diagnostic, de traitement, et surtout d’évaluation de la qualité du traitement. Or, depuis la fin des années 1940, la pratique de l’antibiothérapie est restée, comme en médecine humaine, basée essentiellement sur l’antibiothérapie empirique, plus ou moins régulée par des cultures bactériologiques et des antibiogrammes (Durel et al., 2012). La profession s’est dotée d’outils d’analyse épidémiologique et clinique au cours des décennies, mais les résultats sont mitigés : une diminution globale de la consommation d’antibiotiques, mais le recours accru à des classes de dernières générations. Aujourd’hui le grand enjeu de l’antibiothérapie se corse, avec l’identification de mécanisme de résistance suspects d’être communs avec la médecine humaine(Jaglic et al., 2010). Plusieurs classes de molécules communes avec la médecine humaine sont identifiées, et leur utilisation menace d’être régulée (Bagcigil et al., 2007). Face à ce constat, l’utilisation des antibiotiques destinés au traitement de la mamelle a été étudiée en Belgique, dans soixante fermes laitières wallonnes (Théron et al., 2011). [less ▲]

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See detailConsiderations about the optimum design of piano key weirs
Erpicum, Sébastien ULg; Dewals, Benjamin ULg; Archambeau, Pierre ULg et al

in Proceedings of Africa 2013 Conference (CD-Rom) (2013)

Piano Key Weirs, a recent innovation in the Labyrinth Weirs geometry, have been studied for years by several research centers and laboratories all over the world. The first prototypes have already been ... [more ▼]

Piano Key Weirs, a recent innovation in the Labyrinth Weirs geometry, have been studied for years by several research centers and laboratories all over the world. The first prototypes have already been built, mainly in France, and others are under construction in Vietnam, Algeria and India. Despite some general design equations have been proposed recently, no optimum geometry has been defined yet. Whatever its geometry, a PKW is more efficient than a standard linear weir of same width. It is also more efficient than a labyrinth weir with the same cycle shape. But the PKW geometry may appear as complex as it involves a large set of parameters. Optimization of the weir design is thus not straightforward. Using the results of a large number of systematic scale model tests carried out to analyse the effect of the main geometric parameters on the PKW discharge capacity, the paper shows how a single optimum design doesn’t exist. This is especially true when economic and technical criteria are considered instead of a single hydraulic performance criteria. Despite this observation, some general rules to design a PKW can be suggested, as well as considerations about the best value of the main ratios defining the structure geometry. The relative influence of these parameters on the PKW efficiency is also highlighted. [less ▲]

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See detailEffects of aging on task- and stimulus-related attention during a working memory task
Kurth, Sophie ULg; Hagelstein, Catherine ULg; Collette, Fabienne ULg et al

in Proceedings of the Annual Meeting of the Belgian Association for Psychological Sciences (2013)

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See detailIntroduction
Dumont, Jonathan ULg; Fagnart, Laure ULg

in Dumont, Jonathan; Fagnart, Laure (Eds.) Georges Ier d'Amboise. 1460-1510. Une figure plurielle de la Renaissance. Actes du colloque tenu à l'Université de Liège les 2 et 3 décembre 2010 (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 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 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 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 detailOrdre et procédures collectives: un long fleuve tranquille?
Aydogdu, Roman ULg; Decharneux, Joëlle ULg

in La procédure d'ordre en pratique (2013)

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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 detailMacrofauna, rock magnetism and sedimentology in the Etroeungt Limestone (‘Strunian’, Uppermost Famennian) at Avesnelles (northern France)
Hubert, B.L. M.; Devleeschouwer, X.; Mistiaen, B. et al

in Whalen, M. (Ed.) Programme with Abstracts (2013)

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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 detailTransition et écologisation de l’agriculture en Région Wallonne : trajectoires en Agriculture de Conservation
Stassart, Pierre M ULg; Vankeerberghen, Audrey ULg; Dannevoye, Bastien ULg et al

in van Ypersele, Jean-Pascal; Hudon, Marek (Eds.) Actes 1er Congrès Interdisciplinaire de Développement Durable: Quelle transition pour nos sociétés. Thème 2: Alimentation , Agriculture, Elevage. 101-122 (2013)

Cet article s’intéresse aux trajectoires de transition d’agriculteurs engagés dans le mouvement d'« Agriculture de Conservation des sols » en Région Wallonne (Belgique). L'agriculture de conservation vise ... [more ▼]

Cet article s’intéresse aux trajectoires de transition d’agriculteurs engagés dans le mouvement d'« Agriculture de Conservation des sols » en Région Wallonne (Belgique). L'agriculture de conservation vise à restaurer ou à maintenir la fertilité des sols ainsi qu'à enrayer l'érosion de ces derniers par la mise en œuvre de techniques telles que la réduction du travail du sol (techniques de non-labour), la couverture permanente des sols et les rotations de cultures appropriées. Ce modèle agricole se développe aujourd'hui dans de nombreux pays et gagne peu à peu la reconnaissance d'institutions publiques. L’interprétation du processus de transition vers l’agriculture de conservation reste néanmoins ambiguë, car cette dernière s’inscrit dans des perspectives diverses et parfois contradictoires : initiative technique, économique, agronomique ou encore écologique. Le cadre analytique choisi est celui de la théorie multi-niveaux de la transition, considérant l'agriculture de conservation comme une niche d'innovation « par retrait », se construisant par décrochages successifs du labour en tant qu'institution du régime de l'agriculture conventionnelle. À travers les trajectoires de trois agriculteurs engagés dans des techniques de non-labour, il s'agira de saisir les modalités d'articulation et de désarticulation entre l'agriculture de conservation, d'une part, et le labour et l'agriculture conventionnelle, d'autre part. Cette analyse permettra de comprendre dans quelles perspectives les agriculteurs inscrivent leur pratique de l'agriculture de conservation ainsi que la position qu'ils lui donnent par rapport à l'agriculture conventionnelle. [less ▲]

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See detailL'actualité en matière de voiries
Donnay, Luc ULg

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

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See detailModélisation hydraulique detaillée d’inondations extrêmes sur un tronçon transnational de la Meuse
Dewals, Benjamin ULg; Archambeau, Pierre ULg; Erpicum, Sébastien ULg et al

in Evènements extrêmes d’inondation : de l’étude de l’aléa à la gestion du risque pour les ouvrages hydrauliques (2013)

Extreme floods of the river Meuse were simulated based on a detailed 2D unsteady hydraulic model. As part of a coordinated transnational modeling program, the study area considered here extends from ... [more ▼]

Extreme floods of the river Meuse were simulated based on a detailed 2D unsteady hydraulic model. As part of a coordinated transnational modeling program, the study area considered here extends from Ampsin (Belgium) to the Belgian-Dutch border. The results of the present simulations are passed as upstream boundary condition to a second hydraulic model simulating the same flood scenarios in the Meuse in the Netherlands. In the simulations discussed here for the Belgian part of the Meuse, high accuracy and high resolution data were used to represent the main riverbed and the urbanized floodplains. The operation of all influencing mobile dams was represented in the model. The considered flood scenarios include the 100-year flood in the present situation (Q100), as well as two more extreme floods: Q100 + 15 % and Q100 + 30 %. These values correspond to return periods of the order of, respectively 300 and 1000 years in the present climate; but, according to a transnational climate change scenario in the Meuse basin, they may also be considered as estimates of the 100-year flood in 2050 and 2100. The computations have shown a very limited damping of the flood wave in the study area, not exceeding approximately 1 % of the peak discharge for Q100 and Q100 + 15 %, and reaching about 3 % for Q100 + 30 %. Compared to Q100, increases in the flood levels for Q100 + 15 % and Q100 + 30 % are, respectively, in the ranges 0.5-0.9 m and 1.0-1.8 m. Comparisons with the results from previous steady simulations revealed discrepancies not exceeding 5 cm for Q100 and Q100 + 15 %, and reaching a maximum of approximately 30 cm for Q100 + 30 %. Hence, from the perspective of the variation in peak discharge and flood levels, the study concludes that running the hydraulic model in steady mode is reasonable; although some differences occur in terms of inundation extents. 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 detailPotential use of mid-infrared milk spectrum in pregnancy diagnosis of dairy cows
Laine, Aurélie ULg; Goubau, Amaury; Dale, Laura-Monica et al

in Book of Abstracts of the 64th Annual Meeting of the European Federation of Animal Science (2013)

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See detailDépasser les verrouillages de régimes socio-techniques des systèmes alimentaires pour construire une transition agroécologique
Baret, Philippe; Stassart, Pierre M ULg; Vanloqueren, Gaëtan et al

in van Ypersele, Jean-Pascal; Hudon, Marek (Eds.) Actes du Premier Congrès Interdisciplinaire du Développement Durable: Quelle transition pour nos sociétés? Thème 2: Alimentation , Agriculture, Elevage: 5-14 (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 detailDie Geheimnisse der Schrift: Heinrich von Kleists Poetik der Verschlossenheit und das Prinzip der Verschiebung in seinen Texten
Küpper, Achim ULg

in Brittnacher, Hans Richard; von der Lühe, Irmela (Eds.) Risiko – Experiment – Selbstentwurf. Kleists radikale Poetik (2013)

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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 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 detailRelation oeuvre/spectateur : quels modèles pour décrire une réception active?
Servais, Christine ULg

in Delhalle, Nancy (Ed.) Le théâtre et ses publics - la création partagée (2013)

L'article s'interroge sur la façon dont il faut décrire la relation oeuvre/spectateur si l'on souhaite que le modèle puisse donner une place au spectateur sans néanmoins la déterminer. Après un examen des ... [more ▼]

L'article s'interroge sur la façon dont il faut décrire la relation oeuvre/spectateur si l'on souhaite que le modèle puisse donner une place au spectateur sans néanmoins la déterminer. Après un examen des enjeux (épistémologiques et politiques) de ces questions, il conclut sur l'intérêt qu'il y aurait, si l'on souhaite suivre les propositions de Rancière sur l'"efficacité paradoxale" des oeuvres, à référer les études de réception à un modèle de la communication fondé sur le malentendu. [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 detailEssai de typologie des exploitations agricoles axées sur le financement de la production agricole au Bénin
Sossou, Comlan ULg; Lebailly, Philippe ULg; Hinnou Cossi Léonard

in Société Française d'Economie Rurale (Ed.) 7èmes Journées de Recherches en Sciences Sociales : actes du colloque (2013)

La mondialisation et la libéralisation économique qui s’imposent dans les pays du Sud, touchent aujourd’hui largement le secteur agricole et pose la problématique du financement de l’agriculture avec une ... [more ▼]

La mondialisation et la libéralisation économique qui s’imposent dans les pays du Sud, touchent aujourd’hui largement le secteur agricole et pose la problématique du financement de l’agriculture avec une acuité nouvelle. Les agricultures familiales ont besoin de s’intensifier, de se moderniser, de financer l’innovation technique, organisationnelle, etc. Le plus souvent, leur seule capacité d’autofinancement ne suffit pas à financer cette modernisation. Leurs besoins en services financiers portent sur diverses formes de crédit mais varie suivant les catégories d’exploitants agricoles. Le présent article s’est intéressé à analyser la dynamique du financement de la production agricole en lien avec le type d’exploitation agricole. Cet essai de typologie est fait à l’aide d’une méthode statistique basée sur l’analyse multi-variée et spécifiquement une analyse en composantes principales (ACP). Cette analyse a été appliquée à un échantillon de 475 exploitants agricoles. Les résultats montrent que les exploitants agricoles sont diversifiés et sont répartis en quatre types (pauvres et vulnérables, pauvres, riches et plus prospères) qui se distinguent par leur niveau de revenu, leur capacité d’investissement et leur accessibilité aux microcrédits. Les perceptions de l’accès aux crédits et de leur utilisation varient selon les différentes catégories d’exploitants agricoles. Dans tous les cas, il se dégage que les exploitants le plus prospère développement et adoptent des stratégies qui facilitent leur accès aux crédits et ainsi à l’investissement agricole. [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 detailLes procédures alternatives en droit belge : autant de tentatives d'accélérer la justice
Jacobs, Ann ULg

in Jacobs, Ann (Ed.) Les alternatives au procès pénal (2013)

Examen des différentes alternatives au procès pénal en droit belge, de leur raison d'être, de leur champ d'application et de leurs enjeux.

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See detailResident lung CD11b+Ly6C- dendritic cells are responsible for allergic airway sensitization to house dust mite in mice
Mesnil, Claire ULg; Sabatel, Catherine ULg; Marichal, Thomas ULg et al

in Proceeding of International Congress of Immunology 2013 (2013)

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See detailNonlinear Normal Modes of Nonconservative Systems
Renson, Ludovic ULg; Kerschen, Gaëtan ULg

in Proceedings of the SEM IMAC XXXI Conference (2013)

Linear modal analysis is a mature tool enjoying various applications ranging from bridges to satellites. Nevertheless, modal analysis fails in the presence of nonlinear dynamical phenomena and the ... [more ▼]

Linear modal analysis is a mature tool enjoying various applications ranging from bridges to satellites. Nevertheless, modal analysis fails in the presence of nonlinear dynamical phenomena and the development of a practical nonlinear analog of modal analysis is a current research topic. Recently, numerical techniques (e.g., harmonic balance, continuation of periodic solutions) were developed for the computation of nonlinear normal modes (NNMs). Because these methods are limited to conservative systems, the present study targets the computation of NNMs for nonconservative systems. Their definition as invariant manifolds in phase space is considered. Specifically, a new finite element technique is proposed to solve the set of partial differential equations governing the manifold geometry. [less ▲]

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See detailPastoral dynamics in the region of Diffa (Niger) : a descriptive analysis of livestock capital
Laouali, Abdoulkadri ULg; Rouchet, François ULg; Lebailly, Philippe ULg et al

in Dusan Kovacevic, Kovacevic (Ed.) Book of proceedings - Fourth International Scientific Symposium „Agrosym 2013“ (2013)

Located between the desert zone in the North and the Sahelian zon in the South, the Region of Diffa is a pastoral area par excellence in Niger. Breeding, witch a highly diversified livestock, is the ... [more ▼]

Located between the desert zone in the North and the Sahelian zon in the South, the Region of Diffa is a pastoral area par excellence in Niger. Breeding, witch a highly diversified livestock, is the dominant economic activity in the region. It occupied 95% of the population and contributes annually to 55% in the formation of the region gross domestic production. For understanding the pastoral dynamic a survey of 300 households (150 households witch herd sedentary and 150 witch herd mobile) was conducted during the first semester of 2012. The data analysis is performed from a herd of 15,618 animal heads consisting mainly of small ruminants for both sedentary (72%) and mobile (52%). The herd structure (sedentary and mobile) by age and sex shows on the one hand, the males are early and systematically exploited, all species including, and the reproduction is carried out by a core of female spawners more less stable and dominated by young females, on the other hand. Comparative analysis of compositions and structures of the livestock by agro-ecological zone (Pastoral bowls zone; Komadougou River and Lake Chad zones) reveals zonal disparities particularly in the sedentary livestock system. [less ▲]

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See detailDescribing the “elusive”: a new perception of the practices and the resources of illuminators in the North of Europe from the fourteenth to the sixteenth century
Neven, Sylvie ULg

in Saunders, David; Spring, Marika; Meek, Andrew (Eds.) Renaissance Workshop (2013)

Due to their trade value, a huge range of artistic materials are documented and recorded in historical written sources. However, certain substances are not registered in these archives because they did ... [more ▼]

Due to their trade value, a huge range of artistic materials are documented and recorded in historical written sources. However, certain substances are not registered in these archives because they did not have a market value. This is especially the case for vegetal species which artists easily found in nature and used for their colouring principles, like anthocyanin colorants. As they are characterized by a great sensitivity to the slightest changes in pH and as they are highly unstable in ordinary daylight, these colorants were not frequently used in the dyeing of quality materials or in painting. Up until now, they have been mainly considered as being used in a domestic context, for the dyeing of everyday clothes. Moreover, after ageing, the plant species are difficult to identify with currently-used analytical methods. We therefore intend to bring to light these « elusive » substances through the close examination of an original and primordial source : artistic recipe books. Our previous researches have highlighted that these books not only describe these organic colorants, but that they also indicate their use in illumination. From the 14th to the 16th century, hundreds of recipe books containing information relating to these colorants were produced. They describe both their preparation, their diverse applications and the required conditions for their conservation. These recipe books also inform us about the different hues obtained from these colorants. Our study will involve analysing the significance of these organic substances as well as (re)defining their use with a view to increasing our knowledge of historical artistic practices and materials. Furthermore, it could also help to identify specific artistic productions or workshops. Finally, it would be possible to learn more about the status of artists, their working conditions and their training. [less ▲]

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See detailComparative analysis of the energy dissipation on a stepped spillway downstream of a Piano Key Weir
Silvestri, Aurélien ULg; Archambeau, Pierre ULg; Pirotton, Michel ULg et al

in Erpicum, Sébastien; Laugier, Frédéric; Pfister, Michael (Eds.) et al Labyrinth and Piano Key Weirs II - PKW 2013 (2013)

A systematic experimental study has been carried out to compare the residual energy at the toe of a stepped spillway of varied length considering a classical ogee-crested weir (OCW) or two different piano ... [more ▼]

A systematic experimental study has been carried out to compare the residual energy at the toe of a stepped spillway of varied length considering a classical ogee-crested weir (OCW) or two different piano key weirs (PKW) at the top of the structure. Four spillway lengths have been considered on a wide range of discharge. An indirect method has been used to compute the residual flow energy at the spillway toe from water depth measurements in a horizontal channel downstream. The results indicate that uniform flow conditions, i.e. flow energy at the spillway toe independent of the spillway length, are reached on significantly shorter spillways downstream of a PKW than downstream of an OCW. However, the uniform flow energy at constant discharge on the spillway is found to vary depending on the weir type. In particular, it is smaller downstream of the OCW than downstream of the PKWs. [less ▲]

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See detailPriests and Cult Personnel in Three Hellenistic Families
Carbon, Jan-Mathieu ULg; Pirenne-Delforge, Vinciane ULg

in Horster, Marietta; Klöckner, Anja (Eds.) Cities and Priests. Cult Personnel in Asia Minor and the Aegean Islands from the Hellenistic to the Imperial Period (2013)

This paper offers an examination of three significant familial inscriptions from the Hellenistic period. The texts are detailed cultic dossiers initiated by three individuals—Diomedon on Cos, Poseidonios ... [more ▼]

This paper offers an examination of three significant familial inscriptions from the Hellenistic period. The texts are detailed cultic dossiers initiated by three individuals—Diomedon on Cos, Poseidonios in Halicarnassus, and Epikteta on Thera. Though they are often very briefly grouped together, these inscriptions are discussed here in greater textual and contextual detail. In particular, the analysis focusses on the cult personnel, which is appointed in these families, demonstrating that it remains independent from the polis, but is organised with reference to a civic framework. By setting these inscriptions in parallel, the discussion opens up productive perspectives on the evolutions of familial cults in the Hellenistic period.—The inscription of Poseidonios is reedited in an Appendix by Jan-Mathieu Carbon. [less ▲]

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See detailPossible implementation of the payment to young farmers within the first pillar of the Common Agricultural Policy in Wallonia
Burny, Philippe ULg; Terrones Gavira, François ULg

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

The new Common Agricultural Policy gives to the Member States the possibility to grant young farmers an additional financial support through the first pillar, several methods of calculation, according to ... [more ▼]

The new Common Agricultural Policy gives to the Member States the possibility to grant young farmers an additional financial support through the first pillar, several methods of calculation, according to diverse proposals (Commission, EU Parliament, Member States) are presented and their impact on the Walloon budget for direct payments (270 million € in 2020) is assessed, the maximal authorized share being 2% based on the situation observed in the 2006-2010 period, the mean and maximum amounts per young farmer in 2020 are calculated, giving the Walloon regional government the information to choose the way to support youg farmers. [less ▲]

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See detailBoosting Response Rates: Evidence from Flemish Travel Behavior Survey
Cools, Mario ULg

in Proceedings of the 92nd Annual Meeting of the Transportation Research Board (DVD-ROM) (2013)

This paper investigates the transition of the Flemish travel survey (OVG) from a household-based travel survey to a person-based travel survey. The paper examines the design features of the different OVGs ... [more ▼]

This paper investigates the transition of the Flemish travel survey (OVG) from a household-based travel survey to a person-based travel survey. The paper examines the design features of the different OVGs, with particular attention to the resulting response rates. In addition to the sample unit, the contact and survey procedure has switched from telephone/postal to face-to-face. The most striking effect of the changed methodology is the spectacular increase in the response rates: overall response rates of the most recent OVGs were more than double that of the previous OVGs, resulting in overall response rates of 75%. In addition, the likelihood that some questionnaires were missing (e.g. diaries were retrieved, but household questionnaires were not) decreased from 7% to 3%. Furthermore, the paper shows that a person-based travel survey still can be used for travel demand modeling frameworks that incorporate (some) household interactions. Notwithstanding, some issues have been raised, such as the decreased comparability of travel figures due to the changes in the survey design. In conclusion, the inclusion of a “with whom” dimension in the trip diary is recommended, and it is advocated that policy makers should clearly outline the primary objectives for the OVG for the coming years. [less ▲]

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See detailEstetrol: a new fetal estrogen with antioxidative and neuroprotective activity in the newborn
Tskitishvili, Ekaterine ULg; Nisolle, Michelle ULg; Noël, Agnès ULg et al

in Estetrol attenuates neonatal hypoxic-ischemic brain injury (2013)

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See detailConstraints analysis of family agriculture in Kirundo Province Northern of Burundi
Minani, Bonaventure ULg; Rurema, Déo-Guide; Lebailly, Philippe ULg

in University of East Sarajevo, Faculty of Agriculture; University of Belgrade, Faculty of Agriculture; Mediterranean Agronomic Institute of Bari (IAMB) (Eds.) IV International Symposium "Agrosym 2013" : Proceedings (2013)

In Burundi, family agriculture occupies more than 90% of the active population. That sector accounts more than 50% of GDP. Before the civil war of 1993, Kirundo province was deemed "breadbasket of the ... [more ▼]

In Burundi, family agriculture occupies more than 90% of the active population. That sector accounts more than 50% of GDP. Before the civil war of 1993, Kirundo province was deemed "breadbasket of the country" because the family farming was market-oriented. Today, this region is the first province in Burundi who accuses a high rate of householders who live in food insecurity. In order to conduct this study, 355 randomly selected farmers were surveyed in all municipalities of the province. This preliminary study revealed that the farmers had as major constraints: the small and land conflicts. The study case had identified 73 farmers among them who had not farmland and/ or land conflicts as constraints of agricultural productivity. Two groups emerged: 42 farmers who were not able to fully exploit their land and another group of 32 farmers with a high agricultural productivity. Results from this study show that the major problems in the first group were: lack of applying soil protection techniques, illiteracy, lack of credit which leads farmers to contract moneylenders, lack of improved seed, etc. Moreover, the main strategy used by the second group to boost their income is the practice of non-agricultural activities which influences whole production system. [less ▲]

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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 detailInverse soil parameter identification of an earth and rockfill dam by genetic algorithm optimization
Vahdati, Pooya; Levasseur, Séverine ULg; Mattsson, Hans et al

in Sharing Experience for Safe and Sustainable Water Storage (2013)

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See detailDéterminants de la masse grasse et de la masse maigre chez les prématurés
Simon, Laure; Frondas-Chauty, Anne; SENTERRE, Thibault ULg et al

in Société Française de Néonatologie (Ed.) XXèmes Journées Francophones de Recherche en Néonatologie (2013)

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See detailAutomated text categorization in a dead language. The detection of genres in Late Egyptian
Gohy, Stéphanie ULg; Martin Leon, Benjamin ULg; Polis, Stéphane ULg

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 is a first step in applying machine learning methods typical of Automated Text Catego-rization (ATC) for Automatic Genre Identification (AGI) in Late Egyptian, a language written in either ... [more ▼]

This paper is a first step in applying machine learning methods typical of Automated Text Catego-rization (ATC) for Automatic Genre Identification (AGI) in Late Egyptian, a language written in either hieroglyphic or hieratic scripts that is found in documents from Ancient Egypt dating from ca. 1350-700 BCE. The study is divided into three parts. After a general intro¬duction on AGI (§1), we introduce the levels of annotation that are integrated in the Ramses corpus and can be used when performing AGI on Late Egyptian (§2). In the following section (§3) we offer a brief survey of the types of features that have been discussed in the literature on AGI, before proceeding with three case studies where we apply supervised machine learning methods — namely the naïve Bayes classifier (§4.1), the Support Vector Machine (§4.2), and the Segment and Combine approach (§4.3) — to a selection of texts in the corpus. Their respective performances are tested using lexical, part-of-speech and inflectional features. [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 detailEffect of exercise on innate immunity in horses
Art, Tatiana ULg

in Proceedings of the 6th Congress of the European College of Equine Internal Medicine (ECEIM): ACVIM, Le Touquet France (2013)

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See detailNumerical modeling and digital image correlation strain measurements of coated metal sheets submitted to large bending deformation
Duchene, Laurent ULg; Ben Bettaieb, Amine ULg; Tuninetti Vásquez, Victor ULg et al

in Proceedings of the 16th ESAFORM conference on Material Forming (2013)

The recently developed SSH3D solid-shell element, which is based on the Enhanced Assumed Strain (EAS) and the Assumed Natural Strain (ANS) techniques, is utilized for the modeling of a severe bending ... [more ▼]

The recently developed SSH3D solid-shell element, which is based on the Enhanced Assumed Strain (EAS) and the Assumed Natural Strain (ANS) techniques, is utilized for the modeling of a severe bending sheet forming process. To improve the element's ability to capture the through thickness gradients, a specific integration scheme was developed. In this paper, the performances of this element for the modeling of the T-bent process were assessed thanks to comparison between experimental and numerical results in terms of the strain field at the outer surface of the sheet. The experimental results were obtained by Digital Image Correlation. It is shown that a qualitative agreement between experimental and numerical results is obtained but some numerical parameters should be optimized to improve the accuracy of the simulation predictions. In this respect, the influence of the penalty coefficient of the contact modeling was analyzed. [less ▲]

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See detailThe role of memory traces quality in directed forgetting: A comparison of young and elderly participants using the item procedure
Lorant; Grandjean, Julien; Bastin, Christine ULg et al

in Proceedings of the Annual Meeting of the Belgian Association for Psychological Sciences (2013)

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See detailThermal manipulations during embryogenesis induce long-lasting changes in the regulation of energy metabolism
Loyau, T.; Métayer-Coustard, S.; Crochet, S. et al

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

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See detailExcavation damaged zone modelling in claystone with coupled second gradient model
Collin, Frédéric ULg; Pardoen, Benoît ULg

in Yang, Qiang; Zhang, Jian-Min; Zheng, Hong (Eds.) et al Constitutive modeling of Geomaterials, Advances and applications (2013)

Galleries excavation leads to damage and significant properties changes of the host rock. The fracture structure of the excavation damaged zone created around the galleries remains nowadays a major issue ... [more ▼]

Galleries excavation leads to damage and significant properties changes of the host rock. The fracture structure of the excavation damaged zone created around the galleries remains nowadays a major issue especially in the context of underground storage. In order to correctly model the strain localisation, the second gradient local model (regularization method) is used within a hydro-mechanical modelling of a gallery excavation. The numerical results provide information about the strain localisation bands pattern. [less ▲]

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See detailInnovative Learning for Collaborative Design in Ergonomics
Folcher, Viviane; Zreik, Khaldoun; Ben Rajeb, Samia ULg et al

in Stouffs, Rudy; Sariyildiz, Sevil (Eds.) Computation and Performance (2013)

The proposed article deals with introducing collaborative architectural design into the training of ergonomists at the Master 2 level. The collaborative design workshop aims to confront ergonomists with ... [more ▼]

The proposed article deals with introducing collaborative architectural design into the training of ergonomists at the Master 2 level. The collaborative design workshop aims to confront ergonomists with the difficulties any design project involves, and which challenge architects, designers, engineers and so on: collaboration between people with different skills and different expertise; powerful time constraints; need for their work to converge; working together and/or at a distance; sharing documents; decision-making, etc. The article will present a short review of work carried out in the domains of architecture and design, and of the contribution of ergonomics within architectural projects. We shall then present the workshop’s educational aims, and give details of the way it functioned. Finally, observation results will be presented and discussed. [less ▲]

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See detailLa cause d'utilité publique
Pâques, Michel ULg; Donnay, Luc ULg; Vercheval, Cécile ULg

in Renders, David (Ed.) L'expropriation pour cause d'utilité publique (2013)

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See detailLa typologie des objets sémiotiques dans le Résumé. Exercice de lecture
Badir, Sémir ULg

in Badir, Sémir; Cigana, Lorenzo (Eds.) Reading the Résumé of a Theory of Language / Lire le Résumé d'une théorie du langage (2013)

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See detailOn-line profiling of Escherichia coli stress response
Brognaux, Alison ULg; Shanshan, Han; Sorensen, Soren et al

in Communications in Agricultural and Applied Biological Sciences (2013)

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See detailIntegration of Inland Waterway Transport in the Intermodal Supply Chain: a Joint Research Agenda
Caris, An; Limbourg, Sabine ULg; Macharis, Cathy et al

in Rigo, Philippe; Wolters, Milou (Eds.) Proceedings of the PIANC SMART Rivers Conference 2013 (2013)

This paper identifies research opportunities which will enable the further integration of inland waterway transport in the intermodal supply chain. Intermodal transport may be interpreted as a chain of ... [more ▼]

This paper identifies research opportunities which will enable the further integration of inland waterway transport in the intermodal supply chain. Intermodal transport may be interpreted as a chain of actors who supply a transport service. Inland navigation can play a crucial role in increasing supply chain service performance. A first group of research challenges has the objective to encourage efficient operations in IWT: development of a system wide model for IWT, integration of operational planning systems and analysis of bundling networks. A second group of research efforts is directed towards shippers and consignees who use the intermodal transport chain to send or receive their goods: further development of models that integrate intermodal transport decisions with supply chain decisions and creation of green supply chains. A third group of research challenges concerns the problem domain of external cost calculations. Finally detailed time series data on freight transport should be collected to support these future research tracks. [less ▲]

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See detailFatty Acid Composition of Yolk, Residual Yolk and Liver at different Ages in Broilers hatched from 43-week-old Omega-3 fed Breeders
Koppenol, A.; Delezie, E.; Everaert, Nadia ULg et al

in Proceedings of The International Congress on Advancements in Poultry Production in the Middle East and African States (2013)

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See detailImpairment of two memory cerebral networks in Alzheimer's disease
Bastin, Christine ULg; Bahri, Mohamed Ali ULg; Collette, Fabienne ULg et al

in Proceedings of the Annual Meeting of the Belgian Association for Psychological Sciences (2013)

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See detailCharacterization of gas transport in low-permeability media: two-phase flow analysis of an in-situ experiment
Gerard, Pierre; Radu, Jean-Pol ULg; de la Vaissière, Rémi et al

in POROMECHANICS V: Proceedings of the Fifth Biot Conference on Poromechanics (2013)

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See detailCollective Entrepreneurship, a Solution to Conflicting Institutional Logics in the Entrepreneurship Process?
Dufays, Frédéric ULg

in Teirlinck, Peter; Kelchtermans, Stijn; de Beule, Filip (Eds.) The Proceedings of the 8th European Conference on Innovation and Entrepreneurship ECIE 2013 (2013)

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See detailAn exploratory approach to transitivizing morphemes in French
Mazziotta, Nicolas ULg; Martin, Fabienne

in Wielfaert, Thomas; Heylen, Kris; Speelman, Dirk (Eds.) Proceedings of the 5th Conference on Quantitative Investigations in Theoretical Linguistics (2013)

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See detailCognitive reserve, recollection and familiarity in normal aging, Mild Cognitive Impairment and Alzheimer's disease
Laisney, Mickaël; Salmon, Eric ULg; Bastin, Christine ULg

in Proceedings of the Annual Meeting of the Belgian Association for Psychological Sciences (2013)

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See detailLearning a Dictionary of Prototypical Grasp-predicting Parts from Grasping Experience
Detry, Renaud ULg; Ek, Carl Henrik; Madry, Marianna et al

in IEEE International Conference on Robotics and Automation (2013)

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See detailStepped spillway Downstream of a Piano Key Weir - Critical length for uniform flow
Silvestri, Aurélien ULg; Pirotton, Michel ULg; Erpicum, Sébastien ULg et al

in Bung, Daniel B.; Pagliara, Stefano (Eds.) International Workshop on Hydraulic Design of Low-Head Structures (2013)

Recent researches showed the rapid aeration of the flow downstream of piano key weirs. This could be related to the specific geometric features of the structure, creating several interacting flows and ... [more ▼]

Recent researches showed the rapid aeration of the flow downstream of piano key weirs. This could be related to the specific geometric features of the structure, creating several interacting flows and jets downstream. In order to validate this assumption, an experimental research has been carried out at the Laboratory of Engineering Hydraulics, University of Liège. The main objective of the study was to an-alyze the energy dissipation occurring in skimming flow conditions on a stepped spillway downstream of a piano key weir (PKW). Comparison with energy dissipation on a stepped spillway downstream of a standard ogee crested weir has been performed. An indirect method has been used to determine the resid-ual energy at the spillway toe. The results show that uniform flow conditions are reached faster on a stepped spillway downstream of a PWK compared to the length needed downstream of a standard ogee crested weir. Extrapolation of the results to prototype flow conditions is also discussed with regards to scale effects influence. [less ▲]

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See detailScalable High-Performance Parallel Design for Network Intrusion Detection Systems on Many-Core Processors
Jiang, Hayang; Xie, Gaogang; Salamatian, Kavé et al

in Proceedings of ANCS 2013 (2013)

Network Intrusion Detection Systems (NIDSes) face significant challenges coming from the relentless network link speed growth and increasing complexity of threats. Both hardware accelerated and parallel ... [more ▼]

Network Intrusion Detection Systems (NIDSes) face significant challenges coming from the relentless network link speed growth and increasing complexity of threats. Both hardware accelerated and parallel software-based NIDS solutions, based on commodity multi-core and GPU processors, have been proposed to overcome these challenges. Network Intrusion Detection Systems (NIDSes) face significant challenges coming from the relentless network link speed growth and increasing complexity of threats. Both hardware accelerated and parallel software-based NIDS solutions, based on commodity multi-core and GPU processors, have been proposed to overcome these challenges. This work explores new parallel opportunities afforded by many-core processors for high performance, scalable and inexpensive NIDS. We exploit the huge many-core computational power by adopting a hybrid parallel architecture combining data and pipeline parallelism. We also design a hybrid load balancing scheme, using both ruleset and flow space partitioning. Furthermore, the proposed design leverages particular features of the processor to break the bottlenecks. We have integrated the open source NIDS Suricata into our proposed design and evaluated its performance with synthetic traffic. The prototype exhibits almost linear speedup and can handle up to 7.2 Gbps traffic with 100-bytes packets. [less ▲]

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See detailA water retention model for compacted clayey soils
Dieudonné, Anne-Catherine ULg; Levasseur, Séverine ULg; Charlier, Robert ULg et al

in Pietruszczak, S; Pande, GN (Eds.) Computational Geomechanics (2013)

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See detailGeneration of provably correct high-order meshes
Toulorge, Thomas; Geuzaine, Christophe ULg; Remacle, Jean-François et al

in Advances in Computational Mechanics (ACM 2013) - Finite Elements in Flow Problems (FEF 2013) (2013)

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See detailBuilding an Annotated Corpus of Late Egyptian. The Ramses Project: Review and Perspectives
Polis, Stéphane ULg; Honnay, Anne-Claude ULg; Winand, Jean ULg

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 reviews the experience of the Ramses Project in constructing a richly annotated corpus of Late Egyptian that consists of 300 000 words in 2011 (and is expected to grow up to more than 1 million ... [more ▼]

This paper reviews the experience of the Ramses Project in constructing a richly annotated corpus of Late Egyptian that consists of 300 000 words in 2011 (and is expected to grow up to more than 1 million words in coming years). During the first five years of the project, this corpus has been encoded in hieroglyphic script, translated in French or English and received annotations for part-of-speech information, lemmatization, and morphological analysis. The methodology and working tools that have been developed in order to build this corpus are here discussed and future developments are presented. [less ▲]

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See detailFlowOS: a Flow-Based Platform for Middleboxes
Abdul, Alim; Bezahaf, Mehdi; Mathy, Laurent ULg

in Proceedings of CoNEXT Workshops 2013 (2013)

Middleboxes are heavily used in the Internet to process the network tra c for a speci c purpose. As there is no open standards, these proprietary boxes are expensive and di - cult to upgrade. In this ... [more ▼]

Middleboxes are heavily used in the Internet to process the network tra c for a speci c purpose. As there is no open standards, these proprietary boxes are expensive and di - cult to upgrade. In this paper, we present a programmable platform for middleboxes called FlowOS to run on commod- ity hardware. It provides an elegant programming model for writing ow processing software, which hides the complexi- ties of low-level packet processing, process synchronisation, and inter-process communication. We show that FlowOS itself does not add any signi cant overhead to ows by pre- senting some preliminary test results. [less ▲]

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See detailSparse Summarization of Robotic Grasp Data
Hjelm, Martin; Ek, Carl Henrik; Detry, Renaud ULg et al

in IEEE International Conference on Robotics and Automation (2013)

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See detailIs organic farming a tool for sustainable development in Wallonia ?
Burny, Philippe ULg; Debode, Frédéric

in Socaciu, Carmen (Ed.) The 12th International Symposium "Prospects for the 3rd Millennium Agriculture" : Book of abstracts, volume 1 (2013)

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See detailCrystal chemistry and geothermometric applications of primary pegmatite phosphates.
Hatert, Frédéric ULg

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

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See detailCitations et usages de l'art du Moyen Empire à l'époque thoutmoside
Laboury, Dimitri ULg

in Bickel, Susanne (Ed.) Vergangenheit und Zukunft. Studien zum historischen Bewusstsein in der Thutmosidenzeit (2013)

The article aims at characterizing forms and functions of the uses of Middle Kingdom art in royal and court productions during the Thutmosid Period. In order to assess this artistic phenomenon as a ... [more ▼]

The article aims at characterizing forms and functions of the uses of Middle Kingdom art in royal and court productions during the Thutmosid Period. In order to assess this artistic phenomenon as a conscious revival and not just a survival of the Past and of the tradition, the analysis starts with a brief examination of the disruption that was felt and expressed during the Second Intermediate Period. It then goes on investigating the evolution of the references to Middle Kingdom art from the dawn of the 18th Dynasty to the time of Hatshepsut and Thutmosis III, when some sorts of artistic quotations replaced a global renaissance of Middle Kingdom forms of expression. A special attention is paid to the relationship between creativity and archaism under the reign of Hatshepsut, and leads to conclude the article with some theoretical deductions on the study of Ancient Egyptian archaism and a tentative definition of how innovation was conceptualized in Ancient Egyptian culture. [less ▲]

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