Generalizing Grasps Across Partly Similar Objects

in IEEE International Conference on Robotics and Automation (2012)

Influence of dietary selenium enrichment on performance and chemical composition of meat in Belgian Blue Bulls

in Proceedings of the 2nd Scientific Meeting of the Faculty of Veterinary Medicine (Liège – Belgium) (2012)

Selenium (Se) is a major structural component of various selenoproteins which contain a selenocysteine and a Se atom in their active site (except selenoprotein-P). They play an important role in many ... [more ▼]

Selenium (Se) is a major structural component of various selenoproteins which contain a selenocysteine and a Se atom in their active site (except selenoprotein-P). They play an important role in many functions, such as antioxidant defense and the formation of thyroid hormones. [less ▲]

Le chœur de Mont-devant-Sassey : construction et restaurations

in Toussaint, Jacques (Ed.) Actes du Colloque international "Pierres – Papiers – Ciseaux" : Architecture et sculpture romane (Meuse-Escaut) (2012)

Le petit village de Mont-devant-Sassey, sis dans le département de la Meuse, en Lorraine, comporte une église consacrée à Notre-Dame de l’Assomption. Le chœur et la crypte s’inscrivent dans la lignée des ... [more ▼]

Le petit village de Mont-devant-Sassey, sis dans le département de la Meuse, en Lorraine, comporte une église consacrée à Notre-Dame de l’Assomption. Le chœur et la crypte s’inscrivent dans la lignée des innovations mises en place au chantier « garinois » (du nom du maître de chantier, Garin) de la cathédrale de Verdun. Une datation du chœur peut ainsi être établie par chronologie relative : Verdun étant assurément daté de 1136-1147, le chœur montois se situe vers 1150-1170. Les formes architecturales du chœur montois sont caractéristiques du groupe « tréviro-lorrain », défini pour la première fois à Verdun. Cependant, la recherche archivistique atteste que la campagne de restauration sous Narcisse-Casimir Lenfant, entre 1877 et 1886, a métamorphosé l’aspect de la partie orientale. L’ampleur des modifications est telle qu’il nous faut nuancer la filiation entre Mont et Verdun. [less ▲]

Le sens de l'idéalisme platonicien selon Lotze

in Delcomminette, Sylvain; Mazzu, Antonino (Eds.) L'Idée platonicienne dans la philosophie contemporaine (2012)

J'analyse ici l'interprétation très influente que Lotze a donnée de la théorie platonicienne des Idées au troisième livre de sa grande "Logique" de 1874. Je commence par rappeler l'influence de cette ... [more ▼]

J'analyse ici l'interprétation très influente que Lotze a donnée de la théorie platonicienne des Idées au troisième livre de sa grande "Logique" de 1874. Je commence par rappeler l'influence de cette interprétation sur l'anti-psychologisme, aussi bien dans sa version néokantienne que dans sa version husserlienne et frégéenne. Puis je la replace dans son contexte en distinguant certaines thèses philosophiques (le rejet du correspondantisme) et certaines thèses historiques sur Platon (caractère logique de sa théorie des Idées, prédominante du vocabulaire ontologique dans la langue grecque, etc.). Enfin, je passe en revue les principales objections qui ont été adressées à l'interprétation lotzéenne, notamment par Natorp et Heidegger. [less ▲]

Stainless steel in structures in view of sustainability

in Stainless steel in structures: Fourth International Structural Stainless Steel Experts Seminar: Ascot 6)7 December 2012 (2012)

Recent years have seen an increase in the use of structural stainless steel, mainly owing to its aesthetic and architectural qualities alongside durability. Among stainless steels, ferritic grades are ... [more ▼]

Recent years have seen an increase in the use of structural stainless steel, mainly owing to its aesthetic and architectural qualities alongside durability. Among stainless steels, ferritic grades are characterized by low nickel content resulting in a more cost-stable and economic material compared with austenitic stainless steels, allowing a balanced approach between economic and environmental aspects. As an introduction, this paper presents the recent research outcomes especially concerning the currently ongoing RFCS project “Structural Applications of Ferritic Stainless Steels”. Then, attention is paid to the advantages and challenges associated with the use of this material in recent construction projects in view of sustainability. Life cycle analysis is explained. The background of the new European standard EN 15804 is described, including Module D, which takes now into account the end-of-life phase. Life cycle inventories of stainless steel products (cold-rolled coils and quarto plate) are presented. Depending on the fraction of material recovered at the end of the lifespan, several potential impacts such as the Primary Energy Demand and Global Warming Potential are compared for four grades: 1.4301 (AISI 304) and 1.4401 (AISI 316) austenitic grades, 1.4016 (AISI 430) ferritic grade and 1.4462 (AISI 2205) duplex grade. The influence of the end-of-life credits and loads is underlined. [less ▲]

The Strong Coupling Constant from Hadron Structure Phenomenology

in QCD Evolution 2012 (2012)

We present recent developments on the role of the running coupling constant at the intersection of perturbative and nonperturbative QCD. A number of experiments show a smooth transition from small to ... [more ▼]

We present recent developments on the role of the running coupling constant at the intersection of perturbative and nonperturbative QCD. A number of experiments show a smooth transition from small to large scales given by the four-momentum transfer in the reactions. This is at variance with perturbative QCD where the running coupling constant becomes infinite when the scale equals ΛQCD. Approaches using an effective coupling constant could help interpret the opposite trend of data as compared to standard perturbative QCD predictions. We give an overview of the role of the coupling constant in the procedure to match nonperturbative hadronic model to perturbative QCD and we propose an extraction of an effective coupling constant from inclusive electron proton scattering data at large Bjorken x. [less ▲]

OLED Light extraction improvement with surface nano-micro texturation based on speckle lithography.

in Physiscs and Optics of OLEDs (2012)

Part of the light rays generated within a luminescent medium with a higher refractive index than that of the exit medium, typically air, undergo total internal reflection phenomenon (TIR); these rays will ... [more ▼]

Part of the light rays generated within a luminescent medium with a higher refractive index than that of the exit medium, typically air, undergo total internal reflection phenomenon (TIR); these rays will be trapped and guided into the emissive material and will not be extracted out of an OLED device for instance. Trapped light is reabsorbed and eventually converted into heat that will be detrimental to the device performance and lifetime. The amount of trapped energy is highly dependent on the values of the refractive indices involved in the multilayer stack constituting the light emitting device. The amount of trapped energy can be extensive and can even reach as much as 75% in certain cases. Solutions to improve the outcoupling efficiency are therefore attractive. In this paper we propose to use laser speckle to produce a random surface with controlled parameters to enhance the OLED outcoupling. A laser speckle pattern is transferred onto a photoresist which will be subsequently converted into a surface relief profile. The optical setup parameters drive the properties of such surface and thus the outcoupling properties. The resulting surface has a quasi-random shape which could be assimilated to a corrugated surface. We will show that these typical surfaces exhibit light extraction enhancement properties. The generated pattern is then transferred onto the exit interfaces of the emitting device. An extraction improvement close to a factor 3 is measured. We finally discuss a practical case for which the laser speckle shape is applied to texture the surface of encapsulating cover glasses in a top-emitting OLED on steel substrates. [less ▲]

Dam break flow modelling with uncertainty analysis

in Proceedings of SimHydro 2012 (2012)

Handling uncertainties in dam break flow modelling is of primary interest. Therefore, a procedure is presented here to conduct systematic analysis of the uncertainties resulting from the roughness ... [more ▼]

Handling uncertainties in dam break flow modelling is of primary interest. Therefore, a procedure is presented here to conduct systematic analysis of the uncertainties resulting from the roughness coefficient, the breaching hydrograph and topographic data. The flow simulations have been conducted with the model WOLF 2D developed at the University of Liege. This two-dimensional flow model is computationally too costly to perform a high number of repeated runs, as needed for Monte Carlo simulations. Therefore, a “reduced complexity model” has been set up, in the form of multidimensional Hermite polynomials. This method, developed by Isukapalli et al. (2004) and first applied to dam break flow by Niemeyer (2007), involves a reduced number of runs of the complete model to calibrate the polynomials. This paper shows the applicability and efficiency of the methodology, but it also discusses previously unreported shortcomings of the approach, together with hints to overcome them. Results of such uncertainty analysis for dam break flow modelling disclose crucial information for practical risk management. In particular, they reveal that the uncertainty ranges on maximum water depth and time of arrival of the front are not symmetric (overestimation vs. underestimation) and very unevenly distributed in space. [less ▲]

Knowledge of the Concept Light Rail Transit: Determinants of the Cognitive Mismatch between Actual and Perceived Knowledge

in Proceedings of the 13th International Conference on Travel Behaviour Research (2012)

The Flemish public transport company “De Lijn” is planning the development of a new Light Rail network for medium range distance trips (10 to 40km). A challenge exists in the fact that the concept of ... [more ▼]

The Flemish public transport company “De Lijn” is planning the development of a new Light Rail network for medium range distance trips (10 to 40km). A challenge exists in the fact that the concept of Light Rail Transit (LRT) is relatively unknown in Flanders. Therefore this paper explores the knowledge of the concept ‘Light Rail Transit’ among the Flemish population. To investigate the knowledge, two separate binary logit models are estimated to explore the determinants of the overall actual knowledge and the determinants of a cognitive mismatch. The results show that age, sex, public transit use, household size, bicycle ownership and weekly number of shopping activities contribute significantly to the overall actual knowledge of the LRT-concept. Besides, cognitive mismatch is only significantly affected by age and gender. Moreover, the results reveal a serious lack of knowledge of the concept of LRT. Consequently, a successful implementation of the LRT-system in Flanders may be jeopardized and thus it is of crucial importance to raise the level of knowledge. A first option is knowledge acquisition based on experience of the transit network. In this view, it can be a good idea to develop “travel-one-day-for-free” marketing actions. Second, it is important to provide information to the travelers by contriving information campaigns based on the determinants identified by the models. How the campaigns should be constructed from an intrinsic and psychological point of view and deliberating between the methods of communication to reach the various target groups are some important considerations for further research. [less ▲]

Pouvoirs d'abbesses et abbesses au pouvoir dans l'Ordre de Cîteaux. Quelques cas de figures aux Pays-Bas et en Principauté de Liège à l'aube de la Renaissance

in Bousmar, Éric; Dumont, Jonathan; Marchandisse, Alain (Eds.) et al Femmes de pouvoir, femmes politiques durant les derniers siècles du Moyen Âge et au cours de la première Renaissance (2012)

Learning from Maasmechelen ou la ville comme décor

in Pinto da Silva, Madalena (Ed.) EURAU12 Porto | Espaço Público e Cidade Contemporânea: Actas do 6º European Symposium on Research in Architecture and Urban Design (2012)

Towards TCAM-based Scalable Virtual Routers

in ACM CoNEXT 2012 Proceedings (2012)

Analysis of Aortic Energetics from Pulse Wave Examination in a Porcine Study of Septic Shock

in Prceedings of BMS 2012 (2012)

Gaseous emissions from fattening pigs offered an ad libitum high-fibre diet and kept on fully slatted floor: preliminary results

in Proceedings of the 2nd Scientific Meeting of the Faculty of Veterinary Medicine (Liège – Belgium) (2012)

According to the literature, the diet composition of livestock can influence polluting gas emissions from agriculture. The aim of this preliminary study was to measure gaseous emissions from fattening ... [more ▼]

According to the literature, the diet composition of livestock can influence polluting gas emissions from agriculture. The aim of this preliminary study was to measure gaseous emissions from fattening pigs offered an ad libitum high-fibre diet (HFD) and kept on fully slatted floor. A batch of 24 fattening pigs was divided into two homogeneous groups randomly allocated to a treatment: conventional cereals-based diet or sugar beet pulpbased diet (HFD). With HFD, a significant decrease of animal performance was observed (837 vs. 962 g for the average daily gain). With pigs offered HFD, gaseous emissions per pig were significantly lower for NH3 (-30%, 6.64 vs. 9.47 g/d; P<0.05) and significantly greater for CH4 (+40%, 6.46 vs. 4.60 g/d; P<0.05). The emissions of N2O (0.34 g/d), CO2equivalent (0.27 kg/d), CO2 (1.68 kg/d) were not significantly influenced by the diet. Due to a more important microbial activity with HFD, the lower NH3-emissions could be attributed to the shift of a part of excreted nitrogen from urine (as urea) to faeces (as protein form), and to a lower slurry pH explained by the increase of volatile fatty acid content. The higher CH4-emissions could be explained by a greater production in the digestive tract and in the slurry due to fibre fermentations. In conclusion, HFD allowed decreasing NH3- and increasing CH4-emissions. However, in terms of climate change, this increase was offset by the decrease of indirect N2O-emissions due to NH3-emission decrease, as indicated by the similar CO2equivalent-emissions in the two groups. [less ▲]

Le discours d'excellence. Rhétorique et idéologie de l'évaluation en milieu universitaire

in Charlier, Jean-Emile; Croché, Sarah; Leclercq, Bruno (Eds.) Contrôler la qualité dans l'enseignement supérieur (2012)

Extrait : « Notre point de vue sera celui d’une analyse discursive consistant à cerner d’un trait sommaire les opérateurs rhétoriques d’une idéologie générale, c’est-à-dire d’une représentation non ... [more ▼]

Extrait : « Notre point de vue sera celui d’une analyse discursive consistant à cerner d’un trait sommaire les opérateurs rhétoriques d’une idéologie générale, c’est-à-dire d’une représentation non seulement de la « qualité », mais aussi de l’enseignement et de la recherche, elle-même corrélée à une représentation assez caractéristique du monde. Car, à chacun de ces niveaux, il y a en effet production de discours, sous des formes elles-mêmes très diverses : rapports d’auto-évaluation et d’évaluation ; guides à l’évaluation ; allocutions programmatiques des autorités universitaires ou encore grandes déclarations d’intention ou de synthèse émanant de la sphère politique, d’agences nationales et d’organisations internationales. La cohérence de ces discours, qui est aussi au principe de leur pouvoir d’inculcation et de la résistance qu’ils opposent à la critique, tient d’une part au retour en vis sans fin, d’un niveau à l’autre, des mêmes arguments et des mêmes enjeux, et d’autre part à un réagencement, à chaque niveau, de mêmes mots, de mêmes constructions syntaxiques, de mêmes configurations logiques, selon cette loi, propre à toute propagande, voulant que l’effet d’évidence se crée par la répétition et que le discours lui-même se valide par sa propre redondance.  » [less ▲]

Model-based Monitoring of Septic Shock Treated with Large-Pore Hemofiltration Therapy

in Proceedings of BMS 2012 (2012)

Détection automatique des textes épistolaires du corpus néo-égyptien : méthodes exploitant la récurrence de motifs discriminants

in Dister, Anne; Longrée, Dominique; Purnelle, Gérald (Eds.) Actes des 11es Journées internationales d'Analyse statistique des Données Textuelles (2012)

In this paper, we will develop two methods allowing an automatic detection of the Late-Egyptian epistolary genre. Among the criteria which could be mobilized to identify different genres within a corpus ... [more ▼]

In this paper, we will develop two methods allowing an automatic detection of the Late-Egyptian epistolary genre. Among the criteria which could be mobilized to identify different genres within a corpus, the study of “motifs” (“patterns”) represents a particularly promising approach that has already been successfully exploited for a corpus of Latin texts. In our communication, we suggest applying this process to the Late Egyptian corpus, and more particularly to the epistolary genre. Two methods will be applied to our corpus to identify whether or not particular documents belong the epistolary genre. We shall begin by explaining the principle of functioning of these two methods. The results obtained will then be analyzed; we shall try to understand why certain documents were improperly classified. [less ▲]

Vers long, vers court, lieux de différenciation lexicale et linguistique : le cas du distique élégiaque latin

in Dister, Anne; Longrée, Dominique; Purnelle, Gérald (Eds.) JADT 2012 – Actes des 11es Journées internationales d'Analyse statistique des Données Textuelles (2012)

Basing itself on an exemplary case in Latin poetry, this paper will ask two questions: does metrical form have an influence on the linguistic and lexical choices of a poet? Can short and long verses in a ... [more ▼]

Basing itself on an exemplary case in Latin poetry, this paper will ask two questions: does metrical form have an influence on the linguistic and lexical choices of a poet? Can short and long verses in a given poetry be differentiated using lexical, grammatical (Part of Speech frequency) and length of words criteria? The corpus used in this research is based on a precise Latin poetic form, the elegiac couplet, made of a dactylic hexameter followed by a dactylic pentameter, two verses of different length and structure. It is composed of 9 works from 4 different authors and is divided in 48 subsets. Each text of the corpus is systematically parted in two subsets, hexameters and pentameters, so as to be able to oppose a formal parameter (verse length) to other parameters (author and text topics). [less ▲]

Analgésie préemptive du porcelet avant la castration: comparaison de l'effet de l'acide tolfénamique et du méloxicam sur la douleur et le stress

in 42èmes Journées de la Recherche Porcine (2012)

Le _Syntactic Reference Corpus of Medieval French_: Structure, outils et exploitation

in Dister, Anne; Longrée, Dominique; Purnelle, Gérald (Eds.) 11es Journées internationales d'Analyse statistique des Données Textuelles (JADT) (2012)

De gustibus et coloribus disputandum est

in Chabanne, Jean-Charles; Parayre, Marc; Villagordo, Eric (Eds.) La rencontre avec l'oeuvre. Eprouver, pratiquer, enseigner les arts et la culture (2012)

Dans un corpus de jugements de gout motivés produits par des étudiants de deuxième année de la maitrise à finalité didactique, nous avons pu relever les cinq difficultés suivantes, s'agissant de le ... [more ▼]

Dans un corpus de jugements de gout motivés produits par des étudiants de deuxième année de la maitrise à finalité didactique, nous avons pu relever les cinq difficultés suivantes, s'agissant de le production de ce type de discours scolaire : 1) la difficulté de s'exprimer en "je"; 2) la difficulté de cerner un (des) destinataire(s); 3) la difficulté de mettre en rapport la description de phénomènes concrétisant l'intention artistique, les effets de ceux-ci et l'agrément qu'ils ont procuré au lecteur ou le désagrément qu'ils lui ont causé; 4) la difficulté d'identifier précisément les phénomènes en question dans le domaine de la langue et de les nommer afin qu'ils deviennent, pour les autres, des critériums potentiels de l'appréciation esthétique; 5) une difficulté similaire dans le domaine de la narration. [less ▲]

Green building design: A step towards sustainable habitat

in Kataki; Borah (Eds.) Renewable Energy and Sustainable Development (2012)

Energy, built environment and thermal comforts are closely inter-related. The unprecedented growth in building sector due to growth in population and enhanced thermal comfort standards leads to more ... [more ▼]

Energy, built environment and thermal comforts are closely inter-related. The unprecedented growth in building sector due to growth in population and enhanced thermal comfort standards leads to more primary energy consumption and consequently increases the green house gas (GHG) emissions to the environment. The construction industry in India is one of the largest economic activities and is growing at an average rate of 9.5% as compared to the global average of 5%. Buildings are the major consumer of energy in their construction, operation and maintenance. In India building sector accounts 30-40% of total primary energy consumption and more than 30% of electricity. While the growth is imminent, it is imperative that the developments need to happen in an environmentally sustainable manner. In this context, energy efficient building, climate-responsive building or green buildings designs have great impacts on conservation of natural resources, energy efficiency, better waste management, water use efficiency and reductions in GHG emissions. In this article, the various measures taken worldwide to reduce the energy consumption and carbon footprint of the buildings through green building approach are discussed. The present state of the green building initiatives, green building rating and certification procedures in India are also discussed. [less ▲]

Apprentissage de la proportionnalité par la confrontation à la non-proportionnalité via des manipulations

in Actes du Colloque EMF 2012 (2012)

Génération automatique d'un modèle de bâtiment à partir d'un croquis

in Complexité(s) des modèles de l'architecture numérique : Actes du 5ème séminaire de Conception Architecturale Numérique (SCAN'12) (2012)

Stiction failure in microswitches due to elasto-plastic adhesive contact

in Proceedings of the XII SEM International Conference & Exposition on Experimental and Applied Mechanics (2012)

Undesirable stiction, which results from contact between surfaces, is a major failure mode in micro-switches. Indeed the adhesive forces can become so important that the two surfaces remain permanently ... [more ▼]

Undesirable stiction, which results from contact between surfaces, is a major failure mode in micro-switches. Indeed the adhesive forces can become so important that the two surfaces remain permanently glued, limiting the life-time of the MEMS. This is especially true when contact happens between surfaces where elasto-plastic asperities deform permanently until the surfaces reach plastic accommodation, increasing the surface forces. To predict this behavior, a micro adhesive-contact model is developed, which accounts for the surfaces topography evolutions during elasto-plastic contacts. This model can be used at a higher scale to study the MEMS behavior, and thus its life-time. The MEMS devices studied here are assumed to work in a dry environment. In these operating conditions only the Van der Waals forces have to be considered for adhesion. For illustration purpose, an electrostatic-structural analysis is performed on a micro-switch. To determine the degree of plasticity involved, the impact energy of the movable electrode at pull-in is estimated. Thus the maximal adhesive force is predicted using the developed model. [less ▲]

Field scale experiment modelling in Opalinus Clay: the HGA experiment

in Clays in Natural & Engineered Barriers for Radioactive Waste Confinement, 2012 (2012)

Estimating afterload, systemic vascular resistance and pulmonary vascular resistance in an intensive care setting

in Proceedings of BMS2012 (2012)

The oblique expression of the Object in Ancient Egyptian

in Haspelmath, Martin; Richter, Sebastian (Eds.) Language Typology and Egyptian-Coptic Linguistics (2012)

Introduction séminaire citoyen participatif coexistence Milan royal et Parc éolien

in Coexistence Milan royal & Parc éolien, pour une compréhension ouverte d'un problème complexe (2012)

Nous aurions pu nous limiter dans cette introduction à présenter la méthodologie du séminaire. Mais celle-ci contient un trompe-l’oeil : en réalité, le séminaire constitua le moment fort d’un ... [more ▼]

Nous aurions pu nous limiter dans cette introduction à présenter la méthodologie du séminaire. Mais celle-ci contient un trompe-l’oeil : en réalité, le séminaire constitua le moment fort d’un processus complexe qui inscrit dans le temps un rapprochement improbable entre deux groupes, celui des coopérateurs de Lucéole et des ornithologues de la région. C’est pourquoi cette introduction prend le temps de refaire ce cheminement : du premier cadrage opéré en préambule, justification d’une expertise citoyenne aux côtés de l’étude d’incidence jusqu’au processus de rapprochement entre les deux groupes locaux : Lucéole et ornithologues [less ▲]

Shape simulation of granular particles in concrete and applications in DEM

in Brandt, A.M.; Olek, J.; Glinicki, L.A. (Eds.) et al Proceedings of the International Symposium Brittle Matrix Composites 10 (2012)

Extensions of the INCL model to light ion induced reactions for medical and space applications

in Proceedings of the 13th INTERNATIONAL CONFERENCE ON NUCLEAR REACTION MECHANISMS (2012)

Aktuell, attraktiv und populär? Neuere und Neueste deutsche Literatur im Curriculum einer Auslandsgermanistik der „Nahfremde“

in Zukunftsfragen der Germanistik. (2012)

Resorcinol-formaldehyde carbon xerogels as lithium-ion battery anode materials: influence of porosity on capacity and cycling behaviour

in Proceedings of the International Carbon Conference 2012 (2012)

Evaluation des échanges au format IFC dans le cadre de la réglementation thermique

in SCAN 2012 (2012)

Pour répondre au défi énergétique, les règlementations thermiques sur les bâtiments sont de plus en plus exigeantes. Les variables prises en compte sont de plus en plus nombreuses et les méthodes de ... [more ▼]

Pour répondre au défi énergétique, les règlementations thermiques sur les bâtiments sont de plus en plus exigeantes. Les variables prises en compte sont de plus en plus nombreuses et les méthodes de calcul de plus en plus complexes. Nous avons donc besoin de modèles de bâtiment sémantiquement riches, détaillés et précis pour vérifier le respect des exigences réglementaires. Dans cet article, nous discutons l’utilisation du format IFC pour alimenter un logiciel réglementaire d’évaluation de la performance énergétique des bâtiments. Nous présentons les difficultés rencontrées à la fois du point de vue de la modélisation du bâtiment et du point de vue du développement d’un tel outil. [less ▲]

Genetic variance in environmental sensitivity for milk and milk quality in Walloon Holstein cattle

in Book of Abstracts of the 63rd Annual Meeting of the European Federation of Animal Science (2012)

Pour une approche matérielle et expérimentale de la peinture thébaine

in Kothay, Katalin (Ed.) Art and Society. Ancient and Modern Contexts of Egyptian Art. Proceedings of the International Conference held at the Museum of Fine Arts, Budapest, 13-15 May 2010 (2012)

Il carteggio guicciardiniano, 'fabbrica' della Storia d'Italia

in Claudia, Berra; Annamaria, Cabrini (Eds.) La Storia d’Italia di Guicciardini e la sua fortuna (2012)

Numerical modelling in TIMODAZ: developments and achievements

in Post-TIMODAZ International Workshop THM effects in clay host rocks for radioactive waste repositories (2012)

SPRT for SPIT: Using the Sequential Probability Ratio Test for Spam in VoIP Prevention

in Proc. of 6th International Conference on Autonomous Infrastructure, Management and Security (2012)

This paper presents the first formal framework for identifying and filtering SPIT calls (SPam in Internet Telephony) in an outbound scenario with provable optimal performance. In so doing, our work ... [more ▼]

This paper presents the first formal framework for identifying and filtering SPIT calls (SPam in Internet Telephony) in an outbound scenario with provable optimal performance. In so doing, our work deviates from related earlier work where this problem is only addressed by ad-hoc solutions. Our goal is to rigorously formalize the problem in terms of mathematical decision theory, find the optimal solution to the problem, and derive concrete bounds for its expected loss (number of mistakes the SPIT filter will make in the worst case). This goal is achieved by considering a scenario amenable to theoretical analysis, namely SPIT detection in an outbound scenario with pure sources. Our methodology is to first define the cost of making an error, apply Wald’s sequential probability ratio test, and then determine analytically error probabilities such that the resulting expected loss is minimized. The benefits of our approach are: (1) the method is optimal (in a sense defined in the paper); (2) the method does not rely on manual tuning and tweaking of parameters but is completely self-contained and mathematically justified; (3) the method is computationally simple and scalable. These are desirable features that would make our method a component of choice in larger, autonomic frameworks. [less ▲]

Damage Detection on the Champangshiehl Bridge using Blind Source Separation

in Strauss, Alfred; Frangopol, Dan M.; Bergmeister, Konrad (Eds.) Life-Cycle and Sustainability of Civil Infrastructure Systems (2012)

This paper addresses the problem of damage detection in civil engineering structures using characteristic subspaces obtained from principal component analysis (PCA) of output-only measurements. Damage ... [more ▼]

This paper addresses the problem of damage detection in civil engineering structures using characteristic subspaces obtained from principal component analysis (PCA) of output-only measurements. Damage detection is performed by comparing subspace features between a reference (healthy) state and a current (possibly damaged) state. The damage indicator used in this study is the angular coherence between sub-spaces. The considered damage detection procedure is illustrated on the Champangshiehl Bridge which is a two span concrete box girder bridge located in Luxembourg. Before its destruction, multiple damage levels were inten-tionally created by cutting a growing number of prestressed tendons. Vibration data were acquired by the University of Luxembourg for each damaged state at many locations on the bridge. As previous studies dem-onstrated the large importance of environmental factors on modal identification, special care was taken to evaluate this influence during the test campaign. [less ▲]

Composite modeling to enhance hydraulic structures studies

in Proceedings of SimHydro 2012 (2012)

Physical modeling and numerical modeling are two efficient analysis approaches in hydraulic engineering. The interactive application of both methods is obviously the more effective response to most flow ... [more ▼]

Physical modeling and numerical modeling are two efficient analysis approaches in hydraulic engineering. The interactive application of both methods is obviously the more effective response to most flow problems analyses. Indeed, it enables combining the inherent advantages of both approaches, which are complementary, while being beneficial to the delays as well as the quality of the analysis. The paper presents the way composite modeling is applied for years at the HECE - Laboratory of Engineering Hydraulics (University of Liege) to enhance hydraulic structures studies. Besides numerical model validation for which experimental benchmarks constitute the first reliable data source, simultaneous application of both modeling approaches may be envisaged in three different ways. Composite modeling may be used to increase the scale factor of physical models by reducing the layout of the real structure to be modeled, to provide a better answer to specific problems than a single approach study or to maximize the efficiency of experimental tests by reducing the range of variation of the unknown parameters to be tested. For each of these three issues depicted in the paper, several examples show how the combined use of efficient numerical solvers together with physical scale models enables to increase the overall quality and scope of the analyses while decreasing the delays and possibly the costs. [less ▲]

Quantifying Input Uncertainty in Traffic Assignment Models

in Proceedings of the 91st Annual Meeting of the Transportation Research Board (DVD-ROM) (2012)

Traffic assignment methods distribute Origin-Destination (OD) flows throughout the links of a given network according to procedures related to specific deterministic or stochastic modeling assumptions. In ... [more ▼]

Traffic assignment methods distribute Origin-Destination (OD) flows throughout the links of a given network according to procedures related to specific deterministic or stochastic modeling assumptions. In this paper, we propose a methodology that enhances the information provided from traffic assignment models, in terms of delivering stochastic estimates for traffic flows on links. Stochastic variability is associated to the initial uncertainty related to the OD matrix used as input into a given assignment method, and therefore the proposed methodology is not constrained by the choice of the assignment model. The methodology is based on Bayesian estimation methods which provide a suitable working framework for generating multiple OD matrices from the corresponding predictive distribution of a given statistical model. Predictive inference for link flows is then straightforward to implement, either by assigning summarized OD information or by performing multiple assignments. Interesting applications arise in a natural way from the proposed methodology, as is the identification and evaluation of critical links by means of probability estimates. A real-world application is presented for the road network of the northern, Dutch-speaking region of Flanders in Belgium, under the assumption of a deterministic user equilibrium model. [less ▲]

Intérêt du dosage sanguin de la protéine D de surfactant (SP-D) lors d'inflammation des voies respiratoires profondes

in Proceedings de la 38ème Journée de la Recherche Equine (2012)

Surfactant protein D (SP-D), mainly synthetised by alveolar type II tells, isone important component of innate pulmonary immunity. The aim of the study was te sompare serum SP-D concentrations in horses ... [more ▼]

Surfactant protein D (SP-D), mainly synthetised by alveolar type II tells, isone important component of innate pulmonary immunity. The aim of the study was te sompare serum SP-D concentrations in horses with and without inflammatory airway disease (IAD). Venous blond samples were collected from 42 Standardbred racehorses at rest and 60 min after performing a standardised treadmill exercise test. Based on bronchoalveolar lavage cytology, 22 horses were defined as IAD-affected and 20 classified as controls. Serum concentrations of SP-D in IAD-affected horses were significantly higher than those of control horses, both at rest and after exercise. Within each group of horses (IAD and control), no significant influence of exercise was found on serum SP-D levels. This is he first study determining serum SP-D concentrations in a noninfectious, naturally occuring form of louver airway inflammation in horses. The results highlight that IAD is associated with a detectable, though moderate, increase of circulating SP-D levels. Serum concentration of surfactant protein D could represent a potentially valuable and readily accessible blond biomarker of equine louver airway inflammation. [less ▲]

Du gaullisme à la droite radicale. Les étranges « compagnons de route » belges de l’Europe gaullienne

in Dard, Olivier (Ed.) Doctrinaires, vulgarisateurs et passeurs des droites radicales au XXe siècle (Europe-Amérique) (2012)

To give priority to national sovereignty, as proposed by the De Gaulle’s “Europe of Nations”, found but little success in a Belgium seeing herself as the spearhead of a Federalized Europe. Some rather ... [more ▼]

To give priority to national sovereignty, as proposed by the De Gaulle’s “Europe of Nations”, found but little success in a Belgium seeing herself as the spearhead of a Federalized Europe. Some rather marginal groups, standing mainly on the right side, were however reluctant towards decision-making transfers to supranational organisms. They recruited among well-known conservative people, either members of the Catholic or Liberal party, as demonstrated by the group which was to be – briefly- the Belgian branch of the Pan-European Union (UP) led by Count Richard Coudenhove-Kalergi. The French branch of the UP was clearly run by members of the Gaullist UNR. In Belgium, the Count could find some audience among people already at odds with the more powerful Mouvement Européen or feeling themselves uneasy in its ranks. Among them, the well-known Catholic Senator and former staunch nationalist Pierre Nothomb and his disciple Florimond Damman, an avowed nationalist, rabid anticommunist and nostalgic of the colonial empires. Damman was running a intricate host of associations situated between political think thanks and high society meeting clubs. Around them, inside the AENA (Association pour l’Europe Nouvelle et l’Expansion Atlantique) – a title having obviously very little to do with Gaullist attitude – one could find the Liberal Paul Rohr, founder of the Cercle de Politique Etrangère, and Jack de Spirlet, leader of the Belgian branch of CEDI (Centre Européen de Documentation et d’Information) which had as main goal the integration of Franco’s Spain inside the West European fold. All of them were dedicated supporters of Archduke Otto of Habsburg, an ideal ruler for their Europe-to-be. Were they nothing but forlorn dreamers using the Gaullist policies as a promoting step? The General’s hostile attitude towards NATO and the “empty chair crisis” provoked at last a break with Coudenhove-Kalergi. After the death in late 1966 of Baron Nothomb, their sound bottom, other brain-children of Damman (AESP, MAUE) replaced AENA and ended up in total service of the ideals of Archduke Otto and CEDI. At the same time, and for a decade, they maintained ties with various ultra-Catholic circles and activist anticommunist lobbies such as the WACL and ABN, but also with militant far right networks such as Aginter-Presse run by Guérin-Sérac, and in Belgium and France the groups around Révolution Européenne et Europe-Action. The “sniffer-planes” scandal brought an end to these many-fold activities, and to Damman’s life... [less ▲]

Tailoring the timing of surgery and the neoadjuvant radiotherapy schedule for decreasing tumor dissemination.

in Leroi, Natacha; COUCKE, Philippe; NOEL, A. (Eds.) et al Tailoring the timing of surgery and the neoadjuvant radiotherapy schedule for decreasing tumor dissemination (2012)

Mineralogical and geochemical study of pseudocoticules from the Stavelot Massif, Belgian Ardennes, and redefinition of coticule.

in Abstract Book (2012)

Stable isotopes (d13C, d18O, 87Sr/86Sr) versus magnetic susceptibility at the Mid-Devonian La Couvinoise section: Does the astronomical interpretation stand?

in Geologica Belgica Meeting 2012; Moving plates and melting icecaps. Processes and forcing factors; Abstract book (2012)

Le conseil génétique en pathologie adénomateuse hypophysaire

in Annales d'Endocrinologie (2012)

La compatibilité du métier de secrétaire communal avec d’autres fonctions : aperçu de lege lata, de lege peractura et de lege ferenda

in L'indépendance du secrétaire communal : utopie ou réalité? (2012)

Il s'agit d'un examen de la compatibilité du métier de secrétaire communal avec d'autres fonctions au regard de la situation législative actuelle et des projets de réformes en cours.

Les différentes fonctions de la résolution de problèmes sont-elles présentes dans l’enseignement primaire en Communauté française de Belgique ?

in Dorier, J-L.; Coutat, S. (Eds.) Enseignement des mathématiques et contrat social : enjeux et défis pour le 21 e siècle – Actes du colloque EMF2012 (2012)