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See detailÉmancipation intellectuelle et émancipation politique. Entretien avec Jacques Rancière
Janvier, Antoine ULg; Cukier, Alexis; Lavergne, Cécile

in Cukier, Alexis; Lavergne, Cécile (Eds.) Actualité des concepts d'aliénation et d'émancipation (2013)

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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 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 detailBilinguisme et digraphisme dans le codex miscellaneus de Montserrat
Macedo, Gabriel ULg

in Rochette, Bruno; Marganne, Marie-Hélène (Eds.) Bilinguisme et digraphisme dans le monde gréco-romain. L'apport ds papyrus latins. Actes de la table ronde de Liège, 12-13 mai 2011 (2013)

The present paper proposes a codicologic, palaeographic and contextual study of an extraordinary Late Antique book: the Montserrat codex miscellaneus. Dated on palaeographic grounds to the IV century AD ... [more ▼]

The present paper proposes a codicologic, palaeographic and contextual study of an extraordinary Late Antique book: the Montserrat codex miscellaneus. Dated on palaeographic grounds to the IV century AD, this manuscript provides us with evidence of particular interest on bilingualism and digraphism in Byzantine Egypt, for it is the only antique codex containing texts in both Greek and Latin, of both Christian and Secular content, and pertaining to different literary genres, such as rhetoric, hexametric poetry and Christian liturgy. [less ▲]

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See detailL'enseignement de l'informatique en Belgique francophone : état des lieux
Joris, Noémie ULg; Henry, Julie ULg

in Sciences et technologies de l'information et de la communication (STIC) en milieu éducatif, Clermont-Ferrand : France (2013) (2013)

Cet article dresse la liste de ce qui constitue actuellement l'enseignement de l'informatique en Belgique francophone. À travers la description succincte des programmes proposés pour l'enseignement ... [more ▼]

Cet article dresse la liste de ce qui constitue actuellement l'enseignement de l'informatique en Belgique francophone. À travers la description succincte des programmes proposés pour l'enseignement secondaire ordinaire, les manquements et les avancées sont pointés du doigt. Les auteurs analysent l'existant, font des réflexions, tirent des constats et cherchent ainsi des réponses aux questions qui se posent trop souvent. Avec quel(s) bagage(s) les élèves arrivent-ils aux portes des études supérieures ? Sur quelles ressources peuvent se reposer les enseignants pour construire leur cours ? Quelle informatique enseigner ? Informatique et TIC : quel(s) lien(s) ? Quelle place pour les TIC dans les programmes actuels ? [less ▲]

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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 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 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 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 detailWorkshops as tools for creative collaboration: finding a balance between facilitation and auto-organization
Elsen, Catherine ULg; Cornet, Adeline; Antoine, Mélanie

in Proceedings of Co-Create 2013 (2013)

This paper analyses four settings of so-called collaborative “creative workshops” (their methods, logistics, regulation processes) and provide peepholes on their respective features, with the informed ... [more ▼]

This paper analyses four settings of so-called collaborative “creative workshops” (their methods, logistics, regulation processes) and provide peepholes on their respective features, with the informed goals of defining criteria for comparison, finding shared essence and distinctive characteristics. Key aspects such as time, facilitation and auto-organization shape a “creative continuum” that formalizes how creativity can be stimulated and how participants might collaboratively develop creative behaviors. [less ▲]

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See detailA Trie Merging Approach with Incremental Updates for Virtual Routers
Luo, LAYONG; Xie, Gaogang; Salamatian, Kavé et al

in Annual International Conference on Computer Communications (2013)

Virtual routers are increasingly being studied, as an important building block to enable network virtualization. In a virtual router platform, multiple virtual router instances coexist, each having its ... [more ▼]

Virtual routers are increasingly being studied, as an important building block to enable network virtualization. In a virtual router platform, multiple virtual router instances coexist, each having its own FIB (Forwarding Information Base). In this context, memory scalability and route updates are two major challenges. Existing approaches addressed one of these challenges but not both. In this paper, we present a trie merging approach, which compactly represents multiple FIBs by a merged trie and a table of next-hop-pointer arrays to achieve good memory scalability, while supporting fast incremental updates by avoiding the use of leaf pushing during merging. Experimental results show that storing the merged trie requires limited memory space, e.g., we only need 10MB memory space to store the merged trie for 14 full FIBs from IPv4 core routers, achieving a memory reduction by 87% when compared to the total size of the individual tries. We implement our approach in an SRAM (Static Random Access Memory)-based lookup pipeline. Using our approach, an on-chip SRAM-based lookup pipeline with 5 external stages is sufficient to store the 14 full IPv4 FIBs. Furthermore, our approach can guarantee a minimum update overhead of one write bubble per update, as well as a high lookup throughput of one lookup per clock cycle, which corresponds to a throughput of 251 million lookups per second in the implementation. [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 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 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 detailMaternal transisition of dietary omega-3 fatty acids: effects on zootechnical performance and health status of the broiler progeny
Koppenol, A.; Franssens, L.; Everaert, Nadia ULg et al

in Proceedings of the 17th European Society of Veterinary and Comparative Nutrition Congress (2013)

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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 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 detailRotation Effects as Possible Responsible for the Surface Effects on the Sun and Solar-Type Stars
Suárez, J. C.; Goupil, M. J.; Reese, Daniel ULg et al

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

One of the main sources of uncertainty in the asteroseismic models of the Sun and solar-like stars is the poor match between predicted oscillation frequencies and observed ones in the very high frequency ... [more ▼]

One of the main sources of uncertainty in the asteroseismic models of the Sun and solar-like stars is the poor match between predicted oscillation frequencies and observed ones in the very high frequency domain. Today, effects of turbulence, diffusion, etc., i.e., the so-called "surface effects" are signaled as possible responsible for such a discrepancy. We show that the effect of the stellar deformation due to rotation is of the same order or even larger than these effects. We show that rotation effects, are important for the asteroseismic analysis of the Sun and solar-like stars and they cannot be neglected when modeling such stars. [less ▲]

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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 detailNew capabilities of the INCL4.6 model implemented into high-energy transport codes
Leray, S.; Boudard, A.; Braunn, B. et al

in Proceedings of Shielding Aspects of Accelerators, Targets and Irradiation Facilities 2011 (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 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 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 detailAn analytical approach for Piano Key weir hydraulic design
Machiels, Olivier; Dewals, Benjamin ULg; Archambeau, Pierre ULg et al

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

A hydraulic design equation for Piano Key Weirs is set up using the results of a large experimental parametric study. Comparison of the analytical formulation with experi-mental data from various physical ... [more ▼]

A hydraulic design equation for Piano Key Weirs is set up using the results of a large experimental parametric study. Comparison of the analytical formulation with experi-mental data from various physical modeling studies, considering idealized as well as real projects Piano Key Weirs configurations, shows a 15% accuracy in unit discharge prediction on a large range of geometric parameters values. Comparison of the proposed formulation to two other recently proposed equations highlights the importance to consider such analytical approaches inside the range of parameter values for which they have been validated. [less ▲]

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See detailKarenwebberite, Na(Fe,Mn)2+PO4, a new phosphate mineral species from the Malpensata pegmatite, Lecco province, Italy.
Vignola, P; Hatert, Frédéric ULg; Fransolet, André-Mathieu ULg et al

in PEG2013 – 6th International Symposium on Granitic Pegmatites, Abstract book (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 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 detailEscouloubre Piano Key weir: prototype versus scale models
Erpicum, Sébastien ULg; Silvestri, Aurélien ULg; Dewals, Benjamin ULg et al

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

A 1.77 m high piano key weir in operation on the Escouloubre balance basin enabled the observation of real size flows for discharges ranging from 1.2 to 10 m³/s, corresponding to upstream heads ranging ... [more ▼]

A 1.77 m high piano key weir in operation on the Escouloubre balance basin enabled the observation of real size flows for discharges ranging from 1.2 to 10 m³/s, corresponding to upstream heads ranging from 11 to 48 cm. These observations are depicted and compared to the results gained on three physical models of the weir, built and operated considering a Froude similitude and geometric scale factors of, respectively, 1:7, 1:15 and 1:25. The study highlights the scale effects which may affect piano key weirs scale model studies and provides criteria to limit them. In particular, the results analysis shows that the scale models succeed in representing the flow conditions on the weir when the model upstream head is higher than 60 mm, and succeed in predicting the weir discharge capacity when the model upstream head is higher than 30 mm. [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 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 detailFlowOS: A Programmable Platform for Commodity Hardware Middleboxes
Abdul, Alim; Bezahaf, Mehdi; Mathy, Laurent ULg

in Proceedings of CFI 2013 (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 detailFixation du CO2 dans les blocs de béton à base de granulats recyclés
Parmentier, Véronique; Michel, Frédéric ULg; Courard, Luc ULg

in Gagné, Richard (Ed.) Actes de la 14ème édition des Journées Scientifiques (2013)

A l’heure où l’industrie cimentière est majoritairement responsable de la production de CO2 dans le secteur de la construction, il s’avère utile de compenser cette production par un phénomène inverse: la ... [more ▼]

A l’heure où l’industrie cimentière est majoritairement responsable de la production de CO2 dans le secteur de la construction, il s’avère utile de compenser cette production par un phénomène inverse: la captation du CO2. Ce processus d’absorption de CO2, appelé carbonatation, améliore certaines propriétés du béton lors de la conversion du dioxyde de carbone CO2 en carbonate de calcium CaCO3. Les préoccupations environnementales actuelles motivent l’étude de la carbonatation dans le but de maximiser l'absorption du dioxyde de carbone. Les granulats recyclés, produits à base de déchets de béton concassés mécaniquement, peuvent prendre place dans de nouvelles applications en béton. Ils peuvent remplacer les granulats naturels en tout ou en partie, épargnant ainsi l’extraction des matières premières naturelles. La combinaison des deux approches vise à élaborer un produit dont l’impact environnemental est réduit au minimum. [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 detailProfiles of pregnancy-associated glycoprotein (PAG) concentrations during gestation in swamp buffalo
Van Hahn, N; Viet Linh, N; Melo de Sousa, Noelita ULg et al

in Proceedings of the 10th World Buffalo Congress and 7th Asian Buffalo Congress (2013)

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See detailClassification of positron emission tomography images using multiple kernel learning
Segovia-Román, Fermín ULg; Bastin, Christine ULg; Salmon, Eric ULg et al

in Proceeding of 3rd NIPS 2013 Workshop on Machine Learning and Interpretation in NeuroImaging (2013)

Over the last years, several approaches to analyze nuclear medicine imaging using computer systems have been proposed with the aim of assisting the diagnosis of neurodegenerative disorders. Probably one ... [more ▼]

Over the last years, several approaches to analyze nuclear medicine imaging using computer systems have been proposed with the aim of assisting the diagnosis of neurodegenerative disorders. Probably one of the most complex challenges facing these approaches is to deal with the huge amount of data provided by brain images. In this work, we propose an original approach based on multiple kernel learning. First the images were parcellated (according to the structure of the brain) by means of the automatic anatomical labeling atlas. Then, the importance of each region for the assisted diagnosis was estimated using a classifi- cation procedure. Finally, all the regions were combined in a multiple kernel method in which one kernel per region was computed and all the kernels were weighted according to the importance of the region they represented. For testing purposes, a database with 46 PET images from stable mild cognitive impairment subjects and early Alzheimer’s disease converter patients was used. An accuracy rate of 73.91% was achieved when differentiating between both groups. [less ▲]

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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 detailL'évolution jurisprudentielle sur la compétence relative aux projets à la fois privés et publics
Van Damme, Nathalie; Donnay, Luc ULg

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

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See detailEntre "bien être" et "bien faire", où va l'ergonomie
Nyssen, Anne-Sophie ULg

in Proceeding du 48 me congrès de la Self (2013)

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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 detailQu'est-ce qu'une mutation religieuse ?
Pirenne-Delforge, Vinciane ULg; Scheid, John

in Bonnet, Corinne; Bricault, Laurent (Eds.) Panthée: Religious Transformations in the Graeco-Roman Empire (2013)

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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 detailIlum-išar et Apil-kīn : deux nouvelles inscriptions de Mari
Colonna d'Istria, Laurent ULg; Rendu Loisel, Anne-Caroline

in Feliu, L.; Llop, J.; Millet Albà, A. (Eds.) et al Time and History in the Ancient Near East-Proceedings of the 56th Rencontre Assyriologique Internationale at Barcelona 26–30 July 2010 (2013)

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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 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 detailInvestigation of the Determinants of Travelers’ Mental Knowledge of Public Parking Facilities
Cools, Mario ULg; van der Waerden, Peter; Janssens, Davy

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

This paper describes a study of car drivers’ familiarity with the parking situation in the vicinity of a regional shopping center. The data used for this study are collected in Hasselt, a medium sized ... [more ▼]

This paper describes a study of car drivers’ familiarity with the parking situation in the vicinity of a regional shopping center. The data used for this study are collected in Hasselt, a medium sized city in Belgium. The central shopping area of Hasselt is surrounded by 23 public parking facilities. 1007 residents have been asked to indicate if they are familiar with each parking facility. The concept of familiarity was related to the socio-demographic and cognitive attributes of the respondents, their trips to the city center and the type of parking facility using multinomial logistic regression and bivariate probit regression. The results show that familiarity with parking facilities is especially related to age and education, and to the frequency of car use towards the city centre, and to a lesser extent to place of residence, income and perceived mental knowledge. In addition to these results, this paper demonstrates the value of collecting virtual buffer data by means of an online survey tool. The authors recommend that simulation models that predict parking choice behavior take into account the different levels of familiarity with parking facilities, and the contributing factors. An important avenue for further research is the combination of personal and facility specific information to assess the familiarity with different types of parking facilities. [less ▲]

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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 detailScientific and Technological Payloads Aboard the B3LSat CubeSat of the QB50 Network
Dell'Elce, Lamberto ULg; Kerschen, Gaëtan ULg; Delabie, Tjorven et al

in Proceedings of the 2nd IAA Conference on University Satellite Missions and Cubesat Workshop (2013)

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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 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 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 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 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 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 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 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 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 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 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 detailDendrochronologie en région bruxelloise, en Wallonie et en France par l'Université de Liège (CEA) en 2012
Hoffsummer, Patrick ULg; Lambert, Georges-Noel; Blain, Sophie ULg et al

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

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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 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 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 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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See detailOrganic farming - A business perspective
Burny, Philippe ULg; Debode, Frédéric

in Bran, Florina; Cesaretti, Gin Paolo; Ioan, Ildiko (Eds.) et al Advanced study school "The emergence of green businesses by the activation of economic competitiveness' innovative potential within the matrix of sustainable development (2013)

Organic farming is more and more considered as a credible alternative to conventional agriculture, being able to solve current problesm, notably with respect to environment, employment and food safety. In ... [more ▼]

Organic farming is more and more considered as a credible alternative to conventional agriculture, being able to solve current problesm, notably with respect to environment, employment and food safety. In the South of Belgium, Wallonia, organic farming represents today a significant part of agriculture. The goal of this paper is to show the growth of organic farming in Wallonia, to examine the present situation and to analyse the public support granted to organic farming, through direct payments but also through a new regional development plan including research, extension, promotion and the definition of quantified targets concerning economic activity and consumption. The results are based on statistical data collection and on a Survey among organic cereals producers, in order to contribute to the assessment of the economic relevance of organic farming. [less ▲]

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See detailSocial economic resilience of poor households in Rwanda : VUP 2020 and Girinka Program
Militery Ngamata, Olivier ULg; Mbonyinkebe, Deo; Lebailly, Philippe ULg

in Tielkes, Eric (Ed.) Tropentag 2013 "Agricultural development within the rural-urban continuum" : book of abstracts (2013)

Rwanda is a landlocked country, situated in central and east Africa. It is one of the poorest countries in world, 166th in 186 classified (IDH, 2012). The poor households poverty are shown decreasing from ... [more ▼]

Rwanda is a landlocked country, situated in central and east Africa. It is one of the poorest countries in world, 166th in 186 classified (IDH, 2012). The poor households poverty are shown decreasing from 58.9% in 2000/01 (EICV1) to 44.9% in 2010/11 (EICV3) . At the same period, extreme poverty shows similar patterns; on national level it fell from 40% in 2000/01 to 24.1% in 2010/11. This paper analyses the contribution of the social protection programs to poverty reduction of household beneficiaries: (1) The Vision 2020 Umurenge Programme (VUP) – an Integrated Local Development Program which has trees components: (i) Direct support (DS) for the poorest people who are not able to work. (ii) Public Works (PW) – this component promote the rural employment on productive community assets development projects and (iii) Financial Services (FS) – which increase the access to financial services for the poor for providing loan at low interest rate. (2) The Girinka programme as known “one cow per one poor family”. The programme aims at enabling poor household to own and manage an improved dairy cow which would help the family to better their livelihood through increased milk and meat production and to improve soil fertility of their land for their crops using the available manure. After presenting briefly the achievements, we will compare the socio-economic conditions of genocide windows before and after launching these programs in Munyiginya Sector in Rwamagana Districts. [less ▲]

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See detailMaîtrise et usage des TIC : la situation des enseignants en Belgique francophone
Henry, Julie ULg; Joris, Noémie ULg

in Drot-Delange, Béatrice; Bruillard, Éric; Baron, Georges-Louis (Eds.) Sciences et technologies de l'information et de la communication (STIC) en milieu éducatif, Clermont-Ferrand : France (2013)

Sans être une revue exhaustive et détaillée de tout ce qui s’est fait et se fait en Belgique francophone en ce qui concerne la formation des enseignants, cet article propose un arrêt sur image permettant ... [more ▼]

Sans être une revue exhaustive et détaillée de tout ce qui s’est fait et se fait en Belgique francophone en ce qui concerne la formation des enseignants, cet article propose un arrêt sur image permettant de constater ce qui est mis en place en 2013, d'en discuter et de découvrir ce qui se prévoit dans un avenir plus ou moins proche. En s'appuyant sur le discours européen sur la maîtrise des TIC par les enseignants, les auteurs pointent du doigt les différents programmes de formation accessibles aux (futurs) enseignants, que ce soit au cours de leur formation initiale ou dans un cadre de formation continué. Ils envisagent également les formations complémentaires et présentent la seule certification TIC existant à l'heure d'écrire ce texte : form@TICEF. La description qui en est faite met l'accent sur les objectifs annoncés et sur la méthodologie originale qui y est mise en place. Pour compléter le tableau, les différentes initiatives qui naissent actuellement dans le paysage belge sont évoquées, trouvant logiquement leur place parmi les perspectives de la formation en TIC des enseignants. Des constats sont tirés, des réflexions sont amenées, le débat est ouvert. [less ▲]

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See detailImpact of social protection programs on economic resilience of poor households in Eastern Province of Rwanda
Militery Ngamata, Olivier ULg; Mbonyinkebe, Deo; Lebailly, Philippe ULg

in Kovacevic, Dusan (Ed.) Fourth International Scientific Symposium "Agrosym 2013“ : proceedings (2013)

This paper analyses the contribution of three programs of poverty reduction in Rwanda. It uses data from different reports and surveys with beneficiary poor households of social protection programs. The ... [more ▼]

This paper analyses the contribution of three programs of poverty reduction in Rwanda. It uses data from different reports and surveys with beneficiary poor households of social protection programs. The activities developed by these programs have allowed the poor in general and the widows of genocide in the Eastern Province of Rwanda in particular to improve their socioeconomic conditions, notably access to education, accommodation and medical care. Moreover, the beneficiaries have developed activities that diversify households’ revenues and improve their economic resilience. [less ▲]

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See detailLes jeunes de l'Extrême-Nord/Cameroun, l'Internet et la participation au développement communautaire. Esquisse d'une stratégie de Net-développement
Beche, Emmanuel ULg

in Oben Ako et Zourmba, Edouard et Hamadou (Ed.) Enjeux et perspectives techniques, économiques et sociales pour le développement des régions septentrionales du Cameroun (2012, December 14)

Dans cet article, nous étudions comment les jeunes de l’Extrême-Nord/Cameroun utilisent l’Internet au service du développement communautaire. Nous nous sommes basé à cet effet sur l’examen des données ... [more ▼]

Dans cet article, nous étudions comment les jeunes de l’Extrême-Nord/Cameroun utilisent l’Internet au service du développement communautaire. Nous nous sommes basé à cet effet sur l’examen des données d’entretien et sur l’analyse de contenu des sites web/blogs et des groupes facebook qu’ils mobilisent et éditent dans ce cadre. Cet examen indique qu’avec les cyberpages, ces jeunes informent et mobilisent en faveur du développement de leur région. Sur les groupes facebook, ils forment des communautés de pratiques où ils discutent et se concertent sur des besoins et projets de développement. En analysant ces pratiques dont les effets sont toutefois limités par un contexte socio-technologique déficitaire, nous avons aussi esquissé une stratégie de Net-développement communautaire. [less ▲]

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See detailDes modules de formation au service de la lutte contre la fracture numérique : regards sur 10 années du Plan Mobilisateur TIC.
Brundseaux, Marie-France ULg; Georges, François ULg; Verpoorten, Ingrid ULg

in NKambou (Ed.) Intégration Technologique et Nouvelles Perspectives d’Usage (2012, December 12)

This article presents the training modules which have been designed for training organisations of the Plan Mobilisateur TIC in Wallonia. This training device aims to introduce the internet to insecure ... [more ▼]

This article presents the training modules which have been designed for training organisations of the Plan Mobilisateur TIC in Wallonia. This training device aims to introduce the internet to insecure unemployed people. The authors will try to show how online learning devices have followed the evolution of digital divide between 2002 and 2012. [less ▲]

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See detailnon invasive estimation of left atrial pressure and mitral valve area waveforms during an entire cardiac cycle
Paeme, Sabine ULg; Pironet, Antoine ULg; LANCELLOTTI, Patrizio ULg et al

in proceeding of 11th national day of the National Committee on Biomedical Engineering (2012, December 07)

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See detailCan we use Electrical Resistivity Tomography to measure root zone moisture dynamics in fields with multiple crops?
Garré, Sarah ULg; Coteur, Ine; Wongleecharoen, Chalemchart et al

in 2012 Scientific program (2012, December 07)

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See detailCalitatea lucernei sub influenţa fertilizării în condiţiile din silvostepa Moldovei
Stavarache, Mihai; Vîntu, Vasile; Samuil, Costel et al

in Ţenu, Ioan; Vîntu, Vasile; Jităreanu, Gerard (Eds.) Durable Agriculture and Food Security – Priority objectives in research activity of the Ph.D. students from the UASVM Iasi (2012, December 07)

The research conducted during 2011-2012, on the Ezăreni farm, has sought influence of fertilization on the leaves/stems ratio, crude protein content (CP), neutral detergent fiber content (NDF), acid ... [more ▼]

The research conducted during 2011-2012, on the Ezăreni farm, has sought influence of fertilization on the leaves/stems ratio, crude protein content (CP), neutral detergent fiber content (NDF), acid detergent fiber content (ADF) and relative feed value (RFV), of alfalfa (Medicago sativa L.) in the second and third year of vegetation, at the first cut. The studied experimental plots were v1- unfertilized (control plot), v2-N50P50, v3-N75P50 and v4-30 t/ha manure). The results showed that the fertilization negatively affected crude protein content of plants. Although the protein content of leaves was higher and that of strains was less affected, the leaves/stems ratio decided this indicator for plant production. Organic fertilization showed a highly significant positive effect on the content of plant leaves and stems in NDF and ADF. [less ▲]

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See detailDirect parameter identification in a model of the cardiovascular system
Pironet, Antoine ULg; Dauby, Pierre ULg; Desaive, Thomas ULg

in 11th Belgian Day on Biomedical Engineering (2012, December 07)

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See detailInfluenţa fertilizării minerale asupra producţiei la amestecul de lucernă şi golomăţ în anul III de vegetaţie
Muntianu, Iulian Constantin; Stavarache, Mihai; Ciobanu, Ciprian et al

in Ţenu, Ioan; Vîntu, Vasile; Jităreanu, Gerard (Eds.) Durable Agriculture and Food Security – Priority objectives in research activity of the Ph.D. students from the UASVM Iasi (2012, December 07)

This study was conducted during three production cycles of the third year of vegetation. The main objective was to determine the production of dry matter (DM) and crude protein (CP) made under the ... [more ▼]

This study was conducted during three production cycles of the third year of vegetation. The main objective was to determine the production of dry matter (DM) and crude protein (CP) made under the influence of mixture and fertilization with nitrogen on P50 agrofond to alfalfa and orchard grass. To achieve these objectives, three variants of mixture were tested between alfalfa and cocksfoot that were applied to four rates of mineral fertilizers. The mixture 75% alfalfa (Medicago sativa L.) and 25% orchard grass (Dactylis glomerata L.) under the effect of dosing with N100P50achieved the highest production increase of DM on cycle I, 108% (5.24 Mg haDM) compared to the control, unfertilized alfalfa in pure culture (4.85 Mg ha DM). The highest increase forthe CP yield was obtained on cycle I from the 100% alfalfa fertilized with doses of N-1-1100P50, 122% (1230 kg haCP) from 100% alfalfa unfertilized (1009 kg ha CP). Alfalfa fertilized with N-1-1100P50 rate had the highest increases on total DM yield (106%, 10.64 Mg haDM) and on total quantity of CP(124%, 2304 kg ha CP). [less ▲]

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See detailINFLUENCE OF MYELOPEROXIDASE ACTIVITY ON EQUINE POST-THAW SEMEN QUALITY
Ponthier, Jérôme ULg; Franck, Thierry ULg; Parrilla Hernandez, Sonia ULg et al

in Edeas, Marvin (Ed.) Proceedings of the 2nd ISANH World congress on Fertility and Antioxidants (2012, December 06)

This study confirms that active MPO is associated with cellular fraction of the ejaculate, as previously suggested for total MPO concentration in thawed semen (2). However, active MPO concentrations were ... [more ▼]

This study confirms that active MPO is associated with cellular fraction of the ejaculate, as previously suggested for total MPO concentration in thawed semen (2). However, active MPO concentrations were dramatically lower than total MPO concentrations observed in equine semen (3), which could be explained by presence of inactive MPO subunits in semen. MPO activity in sperm-rich pellet can be used as a predictive marker of post-thaw semen quality. Moreover, methods to inhibit MPO should be investigated in semen. [less ▲]

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See detailHydrodynamique et Architecture Navale
Hage, André; Rigo, Philippe ULg; Lapy, Matthieu ULg

in Journées scientifiques et techniques du CETMEF 2012 (2012, December 05)

State of art en matière d'hydrodynamique navale et architecture navale pour la navaigatio nfluviale

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See detailSignatures of rotation in oscillation spectra
Reese, Daniel ULg; Prat, V.; Barban, C. et al

in Boissier, S.; de Laverny, P.; Nardetto, N. (Eds.) et al SF2A-2012: Proceedings of the Annual meeting of the French Society of Astronomy and Astrophysics (2012, December 01)

Rotation makes oscillation spectra of rapidly rotating stars much more complicated. Hence, new strategies need to be developed in order to interpret such spectra. In what follows, we describe how multi ... [more ▼]

Rotation makes oscillation spectra of rapidly rotating stars much more complicated. Hence, new strategies need to be developed in order to interpret such spectra. In what follows, we describe how multi-colour photometric mode visibilities can be generalised to rapidly rotating stars, while fully taking into account centrifugal deformation and gravity darkening. We then go on to describe some first results as well as a strategy for constraining mode identification. [less ▲]

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See detailI-see-3D! An Interactive and Immersive System that dynamically adapts 2D projections to the location of a user’s eyes
Pierard, Sébastien ULg; Pierlot, Vincent ULg; Lejeune, Antoine ULg et al

in International Conference on 3D Imaging (IC3D) (2012, December)

This paper presents a system that gives the illusion of a 3D immersive and interactive environment with 2D projectors. The user does not need to wear glasses, nor to watch a (limited) screen. The virtual ... [more ▼]

This paper presents a system that gives the illusion of a 3D immersive and interactive environment with 2D projectors. The user does not need to wear glasses, nor to watch a (limited) screen. The virtual world is all around him, drawn on the floor. As the user is himself immersed in the virtual world, there is no need for a proxy like an avatar; he can move inside the virtual environment freely. Moreover, the Isee-3D system allows a user to manipulate virtual objects with his own body, making interactions with the virtual world very intuitive. Giving the illusion of 3D requires to render images insuch a way that the deformation of the image projected on thefloor is taken into account, as well as the position of the user’s “eye” in its virtual world. The resulting projection is neither perspective nor orthographic. Nevertheless, we describe how thiscan be implemented with the standard OpenGL pipeline, without any shader. Our experiments demonstrate that our system is effective in giving the illusion of 3D. Videos showing the results obtained with our I-see-3D system are available on our website http://www.ulg.ac.be/telecom/projector [less ▲]

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See detailRéduction des troubles électrolytiques chez les prématurés <1250g
SENTERRE, Thibault ULg

in Storme, laurent (Ed.) Livres des communications. 18ème Journées Francophones de Recherche en Néonatologie (2012, December)

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See detailMorpho-structural analysis and mass movements Case study of Oued El Kaïm reservoir dam Nort-East Algeria
Draidia, Salah ULg; Havenith, Hans-Balder ULg; Benabbas, Chaouki

in Annual International Conference on Geological & Earth sciences_GEOS-2013 (2012, December)

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See detailAntiwindup regulation of saturated linear systems
Forni, Fulvio ULg; Zaccarian, Luca; Sepulchre, Rodolphe ULg

in 51st IEEE Conference on Decision and Control (2012, December)

We consider the output regulation problem for linear systems subject to actuators saturation. A state-feedback unconstrained regulator is transformed into an error-feedback bounded regulator by ... [more ▼]

We consider the output regulation problem for linear systems subject to actuators saturation. A state-feedback unconstrained regulator is transformed into an error-feedback bounded regulator by introducing an observer which is then decomposed into the sum of "unconstrained" and "antiwindup" dynamics. The unconstrained dynamics are regulated towards a predefined reference trajectory, by a control signal u which may violate the saturation bounds during transients. The antiwindup dynamics transiently store the mismatch between unconstrained and constrained dynamics. The antiwindup design also applies to a predefined error-feedback dynamic regulator for the unconstrained system, as in standard antiwindup setting. As a particular case of distinct interest, the design provides a new global asymptotic stabilizer for saturated null-controllable systems. [less ▲]

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See detailQuantifying and Mitigating IGMP Filtering in Topology Discovery
Marchetta, Pietro; Mérindol, Pascal; Donnet, Benoît ULg et al

in IEEE Global Communications Conference (GLOBECOM) (2012, December)

Recent developments in router level topology discovery have suggested the introduction of IGMP probing in addition to standard techniques such as traceroute and alias resolution. With a single IGMP probe ... [more ▼]

Recent developments in router level topology discovery have suggested the introduction of IGMP probing in addition to standard techniques such as traceroute and alias resolution. With a single IGMP probe, one can obtain all multicast interfaces and links of a multicast router. If such a probing is a promising approach, we noticed that IGMP probes are subject to filtering, leading so to the fragmentation of the collected multicast graph into several disjoint connected components. In this paper, we cope with the fragmentation issue. Our contributions are threefold: (i) we experimentally quantify the damages caused by IGMP filtering on collected topologies of large tier-1 ISPs; (ii) using traceroute data, we construct a hybrid graph and estimate how far each IGMP fragment is from each other; (iii) we provide and experimentally evaluate a recursive approach for reconnecting disjoint multicast components. The key idea of the third contribution is to recursively apply alias resolution to reassemble disjoint fragments and, thus, progressively extend the mapping of the targeted ISP. Data presented in the paper, as well as reconstructed topologies, are freely available at http://svnet.u-strasbg.fr/merlin. [less ▲]

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See detailInsulin clearance during hyper-insulinemia euglycemia therapy
Penning, Sophie ULg; MASSION, Paul ULg; Pretty, Christopher ULg et al

in Proceedings of the 11th Belgian Day on Biomedical Engineering (2012, December)

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See detailModel-based glycemic control in critical care
Pretty, Christopher ULg; Penning, Sophie ULg; Le Compte, Aaron J. et al

in Proceedings of the 11th Belgian Day on Biomedical Engineering (2012, December)

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See detailThe rabbit left ventricle modeling at the cellular scale: application to flow-clamp experiments
Kosta, Sarah ULg; Pironet, Antoine ULg; Dauby, Pierre ULg

in Proceedings of the 11th Belgian National Day on Biomedical Engineering (2012, December)

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See detailÉtude comparative de la répartition des matières et des apprentissages en langues anciennes dans l’enseignement francophone européen
Pietquin, Paul ULg

in Dufays, J.-L.; Carlier, Gh.; De Kesel, Myriam (Eds.) et al Progression et transversalité. Comment (mieux) articuler les apprentissages dans les disciplines scolaires ? (2012, December)

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See detailL'eLearning et les femmes : retour d'expérience. Une étude exploratoire auprès de 22 femmes
Lesire, Catherine ULg; Géron, Stéphanie ULg; Georges, François ULg

in Paliard, C.; Nkambou, R.; Narce, C. (Eds.) et al Actes du 8ème Colloque Technologies de l’Information et de la Communication pour l’Enseignement: Intégration Technologique et Nouvelles Perspectives d’Usage (2012, December)

Who are the women who learn online ? Why and in which circumstances have they chosen to learn online ? Have they taken advantage of this experience ? In this article, we speak about the exploratory survey ... [more ▼]

Who are the women who learn online ? Why and in which circumstances have they chosen to learn online ? Have they taken advantage of this experience ? In this article, we speak about the exploratory survey carried out with 22 women to know their motivation in online courses, what they did during those courses and what they remember of their experience. We also wanted to know whether eLearning gave women the opportunity to learn and to be trained even when they have a lot of responsabilities and sometimes little time to learn. [less ▲]

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See detailA Review of Recent Case Studies of Landslides Investigated in the Tien Shan Using Microseismic and Other Geophysical Methods
Torgoev, Almazbek ULg; Lamair, Laura ULg; Torgoev et al

in Ugai, K; Wakai, A; Yagi, H (Eds.) Proceedings of the International Symposium on Earthquake-induced landslides (2012, December)

This paper reviews recent case studies completed on landslides (and dams) with probable (post-) seismic origin or susceptible to seismic failure in the Tien Shan, Central Asia. The first investigation ... [more ▼]

This paper reviews recent case studies completed on landslides (and dams) with probable (post-) seismic origin or susceptible to seismic failure in the Tien Shan, Central Asia. The first investigation presented here was carried out in 2005 on the Kainama earthflow, mainly composed of loess, which occurred in April 2004 and killed 33 people. Geophysical and seismological were used to build a reliable 3D model of the geometry and properties of the subsurface layers. The paper will also present results from microseismic measurements on loess landslides in Tajikistan that partly have a seismic origin. They are located close to the area that was affected in 1949 by the M=7.4 Khait earthquake and the numerous landslides triggered during the event, including the Khait rock avalanche. [less ▲]

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See detailParametric numerical study of seismic slope stability and verification of the Newmark method
Torgoev, Almazbek ULg; Havenith, Hans-Balder ULg

in Ugai, K; Wakai, A; Yagi, H (Eds.) Proceedings of the International Symposium on Earthquake-induced landslides, Kiryu, Japan, 2012 (2012, December)

2D dynamic modelling of seismic slope stability is applied to a landslide-prone area in Central Asia, the Mailuu-Suu Valley, situated in the south of Kyrgyzstan. The calculations are made with models ... [more ▼]

2D dynamic modelling of seismic slope stability is applied to a landslide-prone area in Central Asia, the Mailuu-Suu Valley, situated in the south of Kyrgyzstan. The calculations are made with models constructed from over 30 profiles located in the target area, presenting different geological, tectonic and morphological settings. One part of the profiles were selected within landslide zones, the other part was selected in stable areas. Many of the landslides are complex slope failures involving falls, rotational sliding and/or planar sliding and flows. These input data were extracted from a 3D structural geological model built with the GOCAD software. Geophysical and geomechanical parameters were defined on the basis of results obtained by multiple surveys performed in the area over the past 15 years. These include geophysical investigation, seismological experiments and ambient noise measurements. Dynamic modelling of slope stability is performed with the UDEC version 4.01 software that is able to compute deformation of discrete elements. Inside these elements both elasto-plastic and purely elastic materials (similar to rigid blocks) were tested. Various parameter variations were tested to assess their influence on the final outputs. For a few models groundwater flow is included. The total parametric study involved more than 100 different models (about 800 computation hours). [less ▲]

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See detailOptimal discovery with probabilistic expert advice
Bubeck, Sébastien; Ernst, Damien ULg; Garivier, Aurélien

in Proceedings of the 51st IEEE Conference on Decision and Control (CDC 2012) (2012, December)

Motivated by issues of security analysis for power systems, we analyze a new problem, called optimal discovery with probabilistic expert advice. We address it with an algorithm based on the optimistic ... [more ▼]

Motivated by issues of security analysis for power systems, we analyze a new problem, called optimal discovery with probabilistic expert advice. We address it with an algorithm based on the optimistic paradigm and the Good-Turingmissing mass estimator. We show that this strategy attains the optimal discovery rate in a macroscopic limit sense, under some assumptions on the probabilistic experts. We also provide numerical experiments suggesting that this optimal behavior may still hold under weaker assumptions. [less ▲]

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