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See detailLocal Control of AC/DC Converters for Frequency Support Between Asynchronous AC Areas
Papangelis, Lampros ULg; Debry, Marie-Sophie; Panciatici, Patrick et al

in IEEE PES 2017 PowerTech conference proceedings (in press)

This paper proposes a novel control scheme for frequency support among asynchronous AC areas through HVDC grids. It is based on local controllers, each acting on a voltage source converter, using locally ... [more ▼]

This paper proposes a novel control scheme for frequency support among asynchronous AC areas through HVDC grids. It is based on local controllers, each acting on a voltage source converter, using locally available measurements only, and supporting frequency of the adjacent AC area after a significant disturbance. The controller is combined with the existing DC voltage droop technique and is inspired of Model Predictive Control, taking into account various constraints. The coordination of the proposed control scheme with the existing secondary frequency control of an AC area is also discussed. Examples obtained from a test system with a five-terminal DC network connecting two asynchronous areas demonstrate the effectiveness of the proposed control scheme. [less ▲]

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See detailDéchiffrer les chiffres : la linguistique latine a-t-elle besoin de comptages et de statistiques ?
Longrée, Dominique ULg

in Spevak, Olga (Ed.) Actes du 18e Colloque international de Linguistique latine, Toulouse, 8-13 juin 2015 = Pallas n° 103, 2017 (in press)

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See detailPolitique, Profil et Parcours linguistiques face à la mondialisation universitaire
Defays, Jean-Marc ULg

in Dezutter, Olivier; Borge, Serge (Eds.) Actes du IIIe Forum mondial des centres de langues de l’enseignement supérieur HÉRACLES, "Les Centres de langues et la mise en œuvre des politiques linguistiques" (in press)

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See detailIntroduction. I. The religious agents: the "Isiaci"
Veymiers, Richard ULg; Gasparini, Valentino

in Veymiers, Richard; Gasparini, Valentino (Eds.) The Greco-Roman Cults of Isis: Agents, Images and Practices. Proceedings of the VIth Conference of Isis Studies (Erfurt, May 6-8 – Liège, September 23-24, 2013) (in press)

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See detailRestaurer la Lumière. Les effets luminodynamiques de la Tour cybernétique de Nicolas Schöffer à Liège
Verbeeck, Muriel ULg; D'Haenens, Manon ULg

in Lumière et patrimoine (in press)

Cette communication porte sur la nécessaire conservation préventive de la Tour Schöffer, en amont du chantier de restauration prévu pour 2015.

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See detailImages et rituel : l’exemple des pinakes de Locres Épizéphyrienne
Collard, Hélène ULg

in Jaccottet, Anne-Françoise (Ed.) Rituels en image – Images de rituel (in press)

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See detailSignes et abréviations dans l'Anonyme de Londres
Ricciardetto, Antonio ULg

in Signes dans les textes. Recherches sur les continuités et les ruptures des pratiques scribales en Égypte pharaonique, gréco-romaine et byzantine. Actes du colloque international (Université de Liège, 2-4 juin 2016) (in press)

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See detailTwo-loop-induced neutrino masses: A model-independent perspective
Aristizabal Sierra, Diego ULg

in PoS - Proceedings of Science (in press)

We disucuss Majorana neutrino mass generation mechanisms at the two-loop order. After briefly reviewing the systematic classification of one-loop realizations, we then focus on a general two-loop ... [more ▼]

We disucuss Majorana neutrino mass generation mechanisms at the two-loop order. After briefly reviewing the systematic classification of one-loop realizations, we then focus on a general two-loop classification scheme which provides a model-independent catalog for neutrino mass models at the two-loop order [less ▲]

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See detailThe workers’ speeches in the daily life scenes of the XIXth-Dynasty tombs at Deir el-Medina and its vicinity
Motte, Aurore ULg

in "Deir el-Medina and the Theban Necropolis in Contact: Describing the interactions within and outside the community of workmen" (in press)

In this paper, I study the workers’ speeches (“Reden and Rufe”) in the 19th-Dynasty tombs of Deir el-Medina and its surroundings. For this period, only three tombs in Deir el-Medina (TT 212, TT 217, and ... [more ▼]

In this paper, I study the workers’ speeches (“Reden and Rufe”) in the 19th-Dynasty tombs of Deir el-Medina and its surroundings. For this period, only three tombs in Deir el-Medina (TT 212, TT 217, and TT 266) and one in the Theban necropolis (TT 16) preserve such texts. The goal of this paper is twofold. First, it aims at showing that, after falling into disuse in elite tombs, workers’ speeches appear in the tombs of craftsmen and the upper middle class, further evidence of the “democratisation” phenomenon during the 19th Dynasty. A wall relief fragment of the craftsman Meryptah from Saqqara (18th-19th Dynasty) indicates that this phenomenon was not restricted to the Theban area. The second goal of this paper is to determine what kind of language is used in 19th-Dynasty workers’ speeches, since this literary genre is sometimes thought to be written in the vernacular. I argue that it is a mimetic language, “à-la-manière-de,” more than an actual colloquial language. Regarding this question, the tombs of Ipuy (TT 217) and Amennakht (TT 266) lead to a dead-end because of their fragmentary state. The tomb of Ramose (TT 212) and the tomb of Panehsy and his wife Tarenu (TT 16), on the other hand, reveal Late Egyptian linguistic features. But, because their owners belong to a lower social class than the elite, it might suggest a reinterpretation of the rules specific to the literary genre of the workers’speeches (possible diastratic/diaphasic variation). [less ▲]

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See detailEnjeux politiques de l'ignorance pour les nouvelles pratiques philosophiques
Herla, Anne ULg; Jeanmart, Gaëlle ULg

in de Moor, Mieke (Ed.) Socrate à l'Agora. Que peut la parole philosophique ? (in press)

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See detailThe Potentials of Digital Tools and Technologies in Architectural Heritage Research for an Inclusive Approach to Built Heritage
Eisazadeh, Negin ULg; Houbart, Claudine ULg; Hallot, Pierre ULg

Conference (in press)

In recent years, inclusive design (a.k.a. universal design or design for all) is one of the developed approaches which aims to consider the diverse human abilities and conditions in the design process. As ... [more ▼]

In recent years, inclusive design (a.k.a. universal design or design for all) is one of the developed approaches which aims to consider the diverse human abilities and conditions in the design process. As defined by the European Institute for Design and Disability (EIDD) ‘design for all’ is designing for diversity, social inclusion and equality. Considering the social and demographic changes in the 21st century, which include an international movement towards social inclusion and more specifically the rights of disabled people, an inclusive approach is turning into a necessity for today’s diverse and ageing society. In the case of architectural and urban heritage, the disabled people or in better words those with diverse sensory, mental or mobility abilities which differ from the general public, have the right to experience, interact, and engage with heritage and its values. As part of an extensive interdisciplinary research on an inclusive approach to built heritage values which connects the fields of architecture, history, conservation, inclusive design, and digital humanities, this paper investigates the potentials of incorporating digital tools and techniques in the different aspects of this research. The extensive study involves communication between the researcher, network of relevant experts, and the historic built environment with the target community of disabled people and in this paper, the digital means to facilitate these interactions have been studied. As a step towards answering the question ‘what are suitable methods and tools for facilitating and acquiring insight into diversely abled people’s engagement with and understanding of architectural heritage and its values?’, it more specifically focuses on the interaction of the disabled people with the historic architecture and urban spaces. Additionally, in a more general approach, by linking the fields of digital humanities and architectural research, the existing tools for the different stages of research ranging from data collection and storage, data analysis, and dissemination are explored. By conducting and elaborating relevant research examples, this study shows how incorporating digital tools and techniques derived from Digital Humanities such as retrieving data through APIs, textual analysis, creating and querying databases, and data visualization can facilitate research in the field of architecture and built heritage. Moreover, in studying the relation between disability and the historic built environment, it indicates that acquiring knowledge on the potentials in practical digital tools for the interaction of disabled people and the built heritage, can have a significant impact on the research approach and findings. As for an inclusive approach to built heritage, the disabled people can be taken into account with their prospective extended digital abilities. Hence in today’s digital world, integrating the digital tools and technologies in architectural heritage research is not only necessary practical means for conducting research but can also impact the theoretical approach, allowing to carry out extensive and innovative research in an efficient manner. [less ▲]

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See detailIn search of the painters of the Theban necropolis in the 18th dynasty. Prolegomena to an analysis of painterly practices in the tomb of Amenemope (TT29)
Laboury, Dimitri ULg; Tavier, Hugues

in Angenot, Valérie; Tiradritti, Francesco (Eds.) Artists and Painting in Ancient Egypt (in press)

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See detailConscience interne et connaissance de soi. Descartes et Brentano
Dewalque, Arnaud ULg

in Pradelle, Dominique; Riquier, Camille (Eds.) Descartes et la phénoménologie (in press)

J'examine ici l’approche cartésiano-brentanienne de la conscience. Cette approche comporte une thèse psychologique ("tout ce qui est mental est conscient") et une double thèse épistémologique ("toute ... [more ▼]

J'examine ici l’approche cartésiano-brentanienne de la conscience. Cette approche comporte une thèse psychologique ("tout ce qui est mental est conscient") et une double thèse épistémologique ("toute conscience interne est évidente"/'aucune perception externe n'est évidente"). On a souvent considéré que ces thèses se heurtaient à d’imposantes difficultés et rendaient l’approche cartésiano-brentanienne de la conscience particulièrement problématique. Contre ces critiques, certains commentateurs ont récemment suggéré qu’on pouvait toutefois donner un sens acceptable à la thèse psychologique. Je voudrais suggérer, pour ma part, qu’on peut aussi donner un sens acceptable à la double thèse épistémologique. Dans la section 2, je reconstruit la position cartésiano-brentanienne en termes d'asymétrie épistémique entre perception interne et perception externe. Dans les sections 3 et 4, je discute les objections soulevées par Husserl et par Ryle, et je suggère que la théorie brentaniexnne permet de réfuter ces objections. [less ▲]

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See detailLa qualité de vendeur professionnel : incidence sur la formation et l'exécution du contrat de vente d'immeuble
Kohl, Benoît ULg; Rigolet, Alexandre ULg

in La rédaction des clauses. Examen systématique et pratique (in press)

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See detailCommento all’articolo di C. Martis, Il commentario del P.Louvre inv. 7733 verso: un esempio di esegesi antica
Ricciardetto, Antonio ULg

in Atti di Ricerche a confronto V / V ciclo di incontri tra studenti e dottorandi di Antichità classiche e del Vicino Oriente antico (in press)

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See detailCosimo I de’ Medici conteso. Rivalità tra Pietro Aretino e Pierfrancesco Riccio
Geremicca, Antonio ULg

in Geremicca, Antonio; Miesse, Hélène (Eds.) Essere uomini di “lettere”: segretari e politica culturale nel Cinquecento (in press)

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See detailL’image de la femme de pouvoir dans les Croniques de Jean de Wavrin
Marchandisse, Alain ULg

in Devaux, Jean; Marchal, Mathieu; Velissariou, Alexandra (Eds.) L’art du récit à la cour de Bourgogne : l’activité de Jean de Wavrin et de son atelier (in press)

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See detailIdentifying Semitic loanwords in Late Egyptian
Winand, Jean ULg

in Dils, Peter; Grossman, Eitan; Richter, Sebastian (Eds.) et al Language Contact and Bilingualism in antiquity: What Linguistic Borrowing into Coptic can tell us about it (in press)

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See detailLa diversité linguistique dans l'Empire romain au temps d'Irénée : l'Asie Mineure et la Gaule
Rochette, Bruno ULg

in Bastit, Agnès (Ed.) Irénée après Irénée : les traces d'un auteur grec perdu (in press)

Originaire d’Asie Mineure, Irénée est un témoin de la situation de plurilinguisme dans l’Imperium Romanum du IIe s. apr. J.-C. Comme beaucoup de ses contemporains, il est venu à Rome, ville cosmopolite au ... [more ▼]

Originaire d’Asie Mineure, Irénée est un témoin de la situation de plurilinguisme dans l’Imperium Romanum du IIe s. apr. J.-C. Comme beaucoup de ses contemporains, il est venu à Rome, ville cosmopolite au centre de l’Empire. Plutôt que de retourner dans sa patrie natale, il a poursuivi sa route vers l’Occident pour se fixer en Gaule, à Lyon, dont il deviendra évêque. Irénée a donc connu plusieurs situations linguistiques. Il se meut d’abord au sein de l’Empire romain, où deux langues coexistent, le latin et le grec, qui atteignent, durant le IIe s., un point d’équilibre, dont témoignent certaines œuvres, comme les Nuits Attiques d’Aulu-Gelle. Ensuite, l’Asie Mineure, d’où est parti Irénée, se caractérise par une grande diversité linguistique et par une survivance des parlers locaux. Le christianisme s’est appuyé sur ces langues locales, persistantes dans les campagnes, tandis que les villes, hellénisées, restaient des foyers du paganisme. Enfin, en Gaule, la question est de savoir dans quelle mesure la langue des Gaulois a persisté et a pu être connue d’Irénée. A ce sujet, un passage de la préface de l’Adversus haereses (Οὐκ ἐπιτητήεις δὲ παρ᾿ἡμῶν, τῶν ἐν Κελτοῖς διατριβόντων καὶ περὶ βάρβαρον διάλεκτον τὸ πλεῖστον ἀσχολουμένων… « Tu n’exigeras de nous, qui vivons chez les Celtes et qui, la plupart du temps, traitons nos affaires en dialecte barbare… ») mérite d’être analysé. C’est probablement le latin qu’il faut voir dernière l’expression « dialecte barbare ». [less ▲]

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See detailLes symboles chrétiens dans les papyrus littéraires et documentaires grecs : forme, disposition et fonction (IIIe – VIIe/VIIIe siècles)
Carlig, Nathan ULg

in Signes dans les textes. Continuités et les ruptures des pratiques scribales en Égypte pharaonique, gréco-romaine et byzantine (in press)

In this paper we study the Christian symbols, as the cross (), the staurogramm (⳨, and its variant with an appendage ), the chi-rho sign (⳩), and the crux ansata (☥) in Greek literary and documentary ... [more ▼]

In this paper we study the Christian symbols, as the cross (), the staurogramm (⳨, and its variant with an appendage ), the chi-rho sign (⳩), and the crux ansata (☥) in Greek literary and documentary papyri. The first part is dedicated to the study of the form and the origin of the Christian symbols, on the ground of both the oldest papyri which bear them and the literary sources about them. In the second part we analyze their disposition in the papyri and in relation to the texts they bear. Finally, in the third part, the data studied before lead to identifying the functions of the Christian symbols in the papyri. [less ▲]

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See detailBenedetto Varchi e gli artisti: prima e dopo l'Accademia fiorentina
Geremicca, Antonio ULg

in Geremicca, Antonio; Chiummo, Carla; Tosini, Patrizia (Eds.) Intrecci virtuosi. Letterati, artisti e accademie nell’Italia Centrale tra Cinque e Seicento: Roma e Firenze (in press)

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See detailLa formation du cycle de Guiron le Courtois. De l'archétype du "Roman de Méliadus" à la Vulgate
Morato, Nicola ULg

in Cadioli, Luca; Lecomte, Sophie (Eds.) Prolégomènes à l'édition intégrale du corpus du cycle de ‘Guiron le Courtois’ (in press)

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See detailBattista Guarino, 'Sermone del cane e del cavallo'. Un texte inconnu à la cour des Este
Valenti, Gianluca ULg; Van den Abeele, Baudouin

in Actes du Colloque international Chevaux, chiens, faucons. L’art vétérinaire antique et médiéval à travers les sources écrites, archéologiques et iconographiques (in press)

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See detailFrom seascape level to functional ecology: A case study over P. oceanica seagrass meadows in Calvi, Corsica
Lapeyra Martin, Jon ULg; Abadie, Arnaud; Richir, Jonathan ULg et al

in Actes du colloque Carhamb'ar 2017 (in press)

see long abstract

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See detailIntroduction. II. The "Isiaci" and their images
Veymiers, Richard ULg

in Gasparini, Valentino; Veymiers, Richard (Eds.) The Greco-Roman Cults of Isis: Agents, Images and Practices. Proceedings of the VIth Conference of Isis Studies (Erfurt, May 6-8 – Liège, September 23-24, 2013) (in press)

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See detailSe faire « manger par l’autre ». Stratégie féminines d’affirmation de soi en contexte public.
Mescoli, Elsa ULg

in Etrangers au Maghreb. Maghrébins à l’étranger : politiques publiques à l’épreuve de la société civile : XIXe-XXIe siècles. Actes du colloque. (in press)

Cette communication vise à étudier la participation des femmes migrantes marocaines à la vie sociale du « pays d’accueil » ; participation qui se réalise grâce aux activités de la vie quotidienne. En ... [more ▼]

Cette communication vise à étudier la participation des femmes migrantes marocaines à la vie sociale du « pays d’accueil » ; participation qui se réalise grâce aux activités de la vie quotidienne. En particulier, la performance publique des pratiques culinaires, observée dans une ville de la province de Milan, permet aux femmes considérées d’exercer une agency à l’intérieur des espaces institutionnellement concédés à l’expression des migrants. D’un côté, la consommation des « recettes de l’Autre » de la part de la population majoritaire détermine une incorporation de la diversité afin de la contrôler. De l’autre côté, la préparation de ces recettes consent aux migrantes d’exprimer leur subjectivité (individuelle et collective) de façon active et en présentant des aspects qui vont au-delà de la culture alimentaire. Une participation sociale fondée sur le partage de nourriture donne la possibilité aux femmes d’assumer un rôle actif dans la communauté locale, tout en affirmant ses propres spécificités. Des sujets tels que la liberté religieuse sont abordés, et certains droits peuvent être réclamés par des individus qui ont ainsi acquis une position politiquement importante au sein de la société locale. [less ▲]

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See detailLiège de 1914 à 1927 : mort et résurrection d'un bassin industriel
Peters, Arnaud ULg; Pirot, Pascal; Destatte, Julien

in Heuclin, Jean; Eck, Jean-François (Eds.) Guerres mondiales et bassins industriels en territoire occupé (1900-1950) (in press)

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See detailSpazio scritto e spazio non scritto nelle dossografie mediche su papiro
Ricciardetto, Antonio ULg

in Pellé, Natascia (Ed.) Spazio scritto e spazio non scritto nel libro papiraceo: esperienze a confronto (in press)

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See detailEncounters of the third kind: antonyms and tertium
Steffens, Marie ULg

in Studies van de BKL - Travaux du CBL - Papers of the LSB (in press)

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See detailLéonard de Vinci et d'autres. Artistes italiens au service de François d'Angoulême (et de Louise de Savoie)
Fagnart, Laure ULg

in Lastroiali, Chiara (Ed.) L'Italia e Francesco I. Scambi, influenze, diffidenze fra Medioevo e Rinascimento (in press)

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See detailCASTLE4D : The Castle of Franchimont (Theux, Province of Liège, Belgium)
Luczfalvy Jancsó, Andrea ULg; Hoffsummer, Patrick ULg; Billen, Roland ULg et al

in Château Gaillard : études de castellologie médiévale, 28. Château et frontière : actes du colloque international de Roscommon, Irlande, 14-18 août 2016 (in press)

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See detailPaper Formats of the Mamluk Period: The Contribution of Mamluk Chancery Paper
Bauden, Frédéric ULg

in Journal of Islamic Manuscripts (in press)

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See detailDonnées des bases latines du LASLA et classification générique
Longrée, Dominique ULg

in Les Etudes Classiques (in press)

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See detailSanti e re nelle feste francesi del 1622. Il Trionfo della luce sulla terra
De Marco, Rosa ULg

in Cousinié, Frédéric; Lemoine, Annick; Virol, Michèle (Eds.) Soleils baroques. La Gloire de Dieu et des Princes en représentation dans l’Europe moderne (in press)

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See detailPaul Hymans, la Belgique et les affaires internationales (1914-1927). Un homme et un État dans la « hiérarchie »
Genin, Vincent ULg

in L’arbitre de l’Europe. Fixer, penser, contester les hiérarchies politiques en Europe (in press)

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See detailComment reconnaître un autographe parmi les papyrus littéraires grecs ? L'exemple du P. Oxy. 74.4970
Marganne, Marie-Hélène ULg

in Bauden, Frédéric; Franssen, Elise (Eds.) In the Author's Hand'. Holograph and Authorial Manuscripts in the Islamic Handwritten Tradition (in press)

A small number of autographs are attested among the Greek literary papyri dating from the IV/III centuries BC to the VI/VII centuries AD. They can be found in the form of papyrus rolls, papyrus slips ... [more ▼]

A small number of autographs are attested among the Greek literary papyri dating from the IV/III centuries BC to the VI/VII centuries AD. They can be found in the form of papyrus rolls, papyrus slips, papyrus or parchment codices or even wooden tablets. According to research by A. Petrucci and T. Dorandi, evidence from the material and the format of the piece, from the layout of the text and its writing, from the state of the text and from the literary genre allow for the identification of autographs. The present paper will briefly review the about 50 Greek literary papyri considered to be autographs. Special attention will be paid to a recently edited II-century medical papyrus (P.Oxy. 74.4970), which seems to present the characteristics of an autograph. [less ▲]

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See detailAu seuil de l’Histoire de ma vie : la Préface en trois versions des mémoires de Casanova (1791, 1794, 1797)
Tilkin, Françoise ULg

in Annales Littéraires de Franche-Comté (PUFC). (in press)

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See detailLa pensée à l'oeuvre dans une discussion philosophique : l'écouter, l'entendre, l'exploiter : former à l'animation par l'observation minutieuse d'une DVDP filmée.
Herla, Anne ULg; Jeanmart, Gaëlle ULg; Frieden, Nathalie et al

in Simon, Jean-Pascal; Tozzi, Michel (Eds.) Paroles de philosophes en herbe : Regards croisés de chercheurs sur une discussion sur la justice en CM2 (in press)

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See detailL’apport de la papyrologie à la connaissance des pratiques et stratégies alimentaires dans l’Antiquité tardive 3. Papyrus documentaires grecs relatifs à l’alimentation et à la cuisine (IIIe/Ve siècles)
Ricciardetto, Antonio ULg

in Pratiques et stratégies alimentaires dans l'Antiquité tardive. Actes des journées d'études, 28-29 novembre 2016, Nancy (in press)

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See detailConfesseur du Prince : un profil singulier ? L’exemple de la cour espagnole de Bruxelles au XVIIe siècle.
Pirlet, Pierre-François ULg

in Les clergés de cour en Europe (fin XVe siècle - XVIIIe siècle). Service religieux et service politique dans les systèmes curiaux - Actes du colloque[Titre à préciser] (in press)

Au cœur de l'espace de la cour, le confesseur du Prince présente un profil singulier. La relation qu'il entretient avec son pénitent est unique : tenu à l'obéissance envers le souverain ou son ... [more ▼]

Au cœur de l'espace de la cour, le confesseur du Prince présente un profil singulier. La relation qu'il entretient avec son pénitent est unique : tenu à l'obéissance envers le souverain ou son représentant pour les aspects temporels, ce religieux a la faculté unique d'examiner, de conseiller et de juger la spiritualité du premier personnage de l'État. Attaché à la personne du Prince, les relations de cet ecclésiastique avec les autres courtisans ne peuvent être appréhendées au moyen d'une grille de lecture hiérarchisant les rapports sociaux : échappant à l'organisation laïque – mais pas protocolaire – de la cour et ne dépendant pas directement de la Chapelle royale, le confesseur bénéficie d'une autonomie relative. En outre, son pouvoir politique, en partie officiel grâce aux dignités et charges dont ce religieux est pourvu, est avant tout perçu comme une magistrature d'influence à la portée difficilement mesurable. Enfin, les obligations matérielles liées à l'appartenance de ce prélat à un ordre religieux achèvent de distinguer cet ecclésiastique des autres serviteurs princiers. Cette communication visera à distinguer les particularités de la charge de confesseur princier au sein de la société de cour. L'étude portera particulièrement sur la cour de Bruxelles durant la première moitié du xviie siècle. [less ▲]

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See detailSignes, symboles et ornementation de l’Hadrianus de Montserrat (P.Monts.Roca III, inv.162 → - 165 ↓)
Berg, Tatiana ULg

in Carlig, Nathan; Motte, Aurore; Sojic, Nathalie (Eds.) et al Signes dans les textes. Continuités et ruptures des pratiques scribales en Égypte pharaonique, gréco-romaine et byzantine (in press)

Texte latin profane, l’Hadrianus appartient au célèbre codex miscellaneus en papyrus de Montserrat, dont il représente la sixième partie, la dernière à avoir fait l’objet d’une édition. Daté ... [more ▼]

Texte latin profane, l’Hadrianus appartient au célèbre codex miscellaneus en papyrus de Montserrat, dont il représente la sixième partie, la dernière à avoir fait l’objet d’une édition. Daté paléographiquement de la seconde moitié du IVe siècle, ce dernier présente la particularité de contenir des textes à la fois grecs et latins, profanes et chrétiens, tous écrits par la même main. Après avoir décrit et analysé les signes, symboles et ornementation attestés dans l’Hadrianus, on les comparera avec ceux que l’on trouve dans le reste du codex de Montserrat, ainsi que dans d’autres papyrus datés de la même époque. [less ▲]

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See detailJouer, chanter et danser pour Isis
Veymiers, Richard ULg

in Gasparini, Valentino; Veymiers, Richard (Eds.) The Greco-Roman Cults of Isis: Agents, Images and Practices. Proceedings of the VIth Conference of Isis Studies (Erfurt, May 6-8 – Liège, September 23-24, 2013) (in press)

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See detailA Model Reduction Approach for Simulation of Long-term Voltage and Frequency Dynamics
Weckesser, Johannes ULg; Franz, Valeri; Grebe, Eckhard et al

in 12th IEEE Power and Energy Society PowerTech Conference, PowerTech Manchester 2017 (in press)

This paper presents a novel approach, which identifies a buffer zone around a given study system and replaces the external system with an equivalent. The aim is to obtain a reduced system, which is ... [more ▼]

This paper presents a novel approach, which identifies a buffer zone around a given study system and replaces the external system with an equivalent. The aim is to obtain a reduced system, which is suitable for assessment of long-term voltage and frequency dynamics in the study system. First, the proposed methodology ensures that all components, which are impacting the voltage profile of the study system, are included in the buffer zone. For that purpose, the propagation of reactive power changes from the boundary of the study system into the external system are used in a modified depth-first search algorithm to identify the buffer zone. Second, the external system is replaced with equivalents accounting for inertia and primary frequency control effects. The proposed method was successfully tested on a modified version of the ENTSO-E Dynamic Study Model. [less ▲]

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See detailPour un complément au CECR
Steffens, Marie ULg

in Actes du XIVe Congrès Mondial de la Fédération Internationale des Professeurs de Français (in press)

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See detailLe vocabulaire médical attesté dans les lettres privées grecques de l’Égypte byzantine
Ricciardetto, Antonio ULg

in Médecine et christianisme : sources et pratiques. Actes du colloque international (in press)

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See detailCodifying ‘Sacred Laws’ in Ancient Greece
Carbon, Jan-Mathieu ULg; Pirenne-Delforge, Vinciane ULg

in Jaillard, Dominique; Nihan, Christophe (Eds.) Legal Codification in Ancient Greece and Ancient Israel (in press)

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See detailDalla spada alla penna. La scrittura del capitano Lorenzo Adami nelle lettere alla Regina Cristina di Svezia e al cardinale Azzolino
Aresti, Alessandro ULg; Nigrisoli Wärnhjelm, Vera

in Perché scrivere: motivazioni, scelte, risultati. Atti del Convegno Internazionale di Olomouc (in press)

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See detailLes dévotes isiaques et les atours de leur déesse
Veymiers, Richard ULg; Malaise, Michel

in Veymiers, Richard; Gasparini, Valentino (Eds.) The Greco-Roman Cults of Isis: Agents, Images and Practices. Proceedings of the VIth Conference of Isis Studies (Erfurt, May 6-8 – Liège, September 23-24, 2013) (in press)

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See detailLiège de 1914 à 1927 : mort et résurrection d’un bassin industriel
Pirot, Pascal ULg; Peters, Arnaud ULg; Destatte, Julien ULg

in Actes du colloque: Guerres mondiales et bassins industriels en territoire occupé (1900-1950), Maubeuge, 20-21 novembre 2014 (titre provisoire) (in press)

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See detailLe projet EpistolART à la lumière de lettres évoquant Léonard de Vinci
Fagnart, Laure ULg

in Girotto, Carlo Alberto; Lucas-Fiorato, Corinne (Eds.) L'écriture épistolaire entre Renaissance et Âge baroque. Pratiques, enjeux, pistes de recherche (in press)

Le projet EpistolART explore le matériau épistolaire dans le but de mieux préciser le statut socio-professionnel des artistes de la Renaissance italienne. Dans ce cadre, le "Carteggio inedito d’artisti ... [more ▼]

Le projet EpistolART explore le matériau épistolaire dans le but de mieux préciser le statut socio-professionnel des artistes de la Renaissance italienne. Dans ce cadre, le "Carteggio inedito d’artisti dei secoli XIV, XV, XVI" de Johann Wilhelm Gaye (1839-1840) constitue l’un de nos corpus privilégiés. Méritoire le travail de Gaye n’en demeure pas moins dépassé : les transcriptions, souvent partielles et contestables, requièrent une actualisation, suivant les critères de la philologie, de la codicologie et de la paléographie moderne. Cette contribution s'organise autour de trois lettres évoquant Léonard de Vinci, lettres publiées dans les volumes de Gaye et dont les membres du projet EpistolART proposent une nouvelle édition. Elles constituent des documents extrêmement précieux pour écrire l’histoire des relations entre le maître florentin et la France. Si les historiens qui se sont penchés sur la vie et l’œuvre de Léonard de Vinci connaissent ces correspondances, rares sont ceux qui ont recouru aux documents épistolaires originaux. Or, ce n’est qu’au départ d’un texte sûr, appréhendé tant dans sa matérialité que dans ses contenus, que peuvent se déployer des analyses scientifiquement fondées. [less ▲]

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See detailJews and Christians in Late Africa : an hagiographical perspective
Fialon, Sabine ULg

in Lanfranchi, Pierluigi; Verheyden, Joseph (Eds.) Jews and Christians in Late Antiquity (titre provisoire) (in press)

Detailed reference viewed: 40 (2 ULg)
See detailÉloquence du corps et gymnastique de l’esprit. Le sport et le jeu dans les livres d’emblèmes en France (XVIe-XVIIe siècles)
De Marco, Rosa ULg

in Belmas, Élisabeth; Turcot, Laurent (Eds.) JEUX, SPORTS ET LOISIRS EN FRANCE À L’ÉPOQUE MODERNE (16E-19E SIÈCLES) (in press)

La communication veut aborder le thème du jeu et du sport du point de vue de l'emblème, genre littéraire et artistique en vogue en Europe à partir du XVIe siècle, qui lie le texte et l'image pour exprimer ... [more ▼]

La communication veut aborder le thème du jeu et du sport du point de vue de l'emblème, genre littéraire et artistique en vogue en Europe à partir du XVIe siècle, qui lie le texte et l'image pour exprimer des concepts moraux. Le sport et le jeu mettant en scène dans un espace et un temps déterminés les situations les plus communes de l’existence, offrent au moraliste des riches arguments pour son discours : la victoire, le prix, l’injustice, l’honnêteté, la compétition, la passion, la sociabilité, les vices et les vertus. L’intensité symbolique des représentations de jeu et de sport accrue par le langage emblématique sera soulignée dans la communication afin de comprendre le message politique ou moral ancré à ces activités. Toutefois, il nous est à cœur de comprendre, à travers l’étude de l’emblème, les relations entre le corps et l’esprit telles qui sont perçues au début de l’âge moderne. [less ▲]

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See detailLe plan zonal de sécurité, instrument d'accountability de la police locale ?
Croquet, Alice ULg

in Ficet, Joël; Fallon, Catherine (Eds.) Actes du Colloque de l'ABSP - "Crise de la démocratie et nouveau management public" : Liège, 10-11 avril 2014 (in press)

La contribution propose d'analyser dans quelle mesure l'on peut comprendre le Plan Zonal de Sécurité comme un outil d'accountability des zones de police locale.

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See detailLes références à la maladie et à son traitement dans les archives de Zénon
Ricciardetto, Antonio ULg

in Histoire des Sciences Médicales (in press)

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See detailQuatre configurations pour créer une dynamique interactive entre formation et recherche Expériences dans le domaine de la formation des professionnels de la santé
Faulx, Daniel ULg; Burlet, Géraldine ULg; Bernard, Nicolas ULg et al

in Recherches Qualitatives (in press)

Dans cette contribution, nous nous penchons sur la possibilité de créer une dynamique interactive entre intervention sur le terrain et recherche scientifique dans le domaine de la formation. Les terrains ... [more ▼]

Dans cette contribution, nous nous penchons sur la possibilité de créer une dynamique interactive entre intervention sur le terrain et recherche scientifique dans le domaine de la formation. Les terrains d’application se situent tous ici dans le domaine de la santé. Nous présentons quatre configurations d’une telle complémentarité. Chacune d’entre elles représente une articulation différente entre le but de développement des participants et celui de production de savoirs scientifiques. Dans le premier cas, une démarche de recherche est entreprise en amont de la conception d’une formation. La deuxième configuration illustre une recherche scientifique appliquée à un dispositif d’intervention existant et qui vient en retour en modifier la logique. Pour la troisième, il s’agit d’une articulation continue entre recherche et formation s’alimentant mutuellement dans une logique de recherche-action. Enfin, la quatrième partie se penche sur trois dispositifs pédagogiques dont la caractéristique est de combiner des intentions formatives avec des préoccupations de recherche [less ▲]

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See detailStimmstörungen bei Lehrkräften im Vorbereitungsdienst
Schiller, Isabel ULg

in Hannken-Illjes, Kati (Ed.) Sprache und Sprechen (in press)

Lehrer weisen ein erhöhtes Risiko auf, Stimmstörungen zu entwickeln. Sogar Lehramtsstudierende sind bereits zu etwa 20% betroffen, obwohl die stimmlichen Anforderungen während des Studiums noch gering ... [more ▼]

Lehrer weisen ein erhöhtes Risiko auf, Stimmstörungen zu entwickeln. Sogar Lehramtsstudierende sind bereits zu etwa 20% betroffen, obwohl die stimmlichen Anforderungen während des Studiums noch gering ausfallen (vgl. Ettehad 2004). Nur unzureichend wurde bislang die Stimme von Lehrkräften im Vorbereitungsdienst (LiV) untersucht. Gleichwohl ist der Vorbereitungsdienst ein kritischer Zeitraum. LiV unterrichten etwa 12 Stunden pro Woche und stehen unter hohem Leistungsdruck. Dies kann sich potentiell negativ auf die Stimme auswirken. Ziel der Studie war es demnach, die Prävalenz und Art von Stimmstörungen bei Lehrkräften im Vorbereitungsdienst zu bestimmen. Weiterhin sollten Zusammenhänge zwischen subjektiven und objektiven stimmbezogenen Daten untersucht werden. 73 LiV nahmen an der Studie teil, die sich aus einem selbstkonzipierten Fragebogen und der Erhebung objektiver Daten zusammensetzt. Probanden, die im Fragebogen angaben, während des Vorbereitungsdienstes bereits zwei oder mehr Symptome einer Stimmstörung wahrgenommen zu haben, wurden als stimmgestört klassifiziert. Anhand objektiver Messungen wurden zudem die Variablen maximale Tonhaltedauer (THD), Jitter und Shimmer erhoben und mit den subjektiven Daten in Beziehung gesetzt. Bei 37% der Probanden ergaben sich Hinweise auf das Vorliegen einer Stimmstörung. Besonders häufig wurden die Symptome Rauigkeit, Räusperzwang oder Lautstärkeprobleme genannt. Es bestand kein signifikanter Zusammenhang zwischen den subjektiven und den objektiven Daten. Die Ergebnisse deuten darauf hin, dass angehende Lehrkräfte im Zeitraum des Vorbereitungsdienstes vermehrt zu Stimmproblemen neigen. Dies unterstreicht die Notwendigkeit von interventiven Maßnahmen, die bereits im Studium zum Tragen kommen sollten. [less ▲]

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See detailL'Oeil de la mouche d'André-Joseph Dubois
Dechene, Antoine ULg

in Deux siècles au service des sciences humains: contributions de l'Université de Liège (1817-2017) (2018)

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See detailLe corps, le territoire et le temps du sujet borderline
Englebert, Jérôme ULg

Conference (2017, November 09)

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See detailPoésie et cosmologie
Delville, Michel ULg; Bertrand, Jean-Pierre ULg

Conference (2017, October 25)

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See detailIndexing grey multilingual literature in General Practice in the era of Semantic Web
Jamoulle, Marc ULg; Resnick, Melissa; Ittoo, Ashwin ULg et al

in The Grey Journal (2017, October 23)

voir abstract ci-dessous

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See detailSelf et perspective en première personne
Englebert, Jérôme ULg; Monville, François

Conference (2017, October 06)

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See detailA mathematical model of respiration under protective ventilation and extracorporeal CO2 removal therapy
Habran, Simon ULg; Desaive, Thomas ULg; MORIMONT, Philippe ULg et al

Conference (2017, September 27)

The aim of the present study is to build a mathematical model of the respiratory system connected to an extracorporeal CO2 removal device (ECCO2RD) to optimize the gas exchanges efficiency. The model must ... [more ▼]

The aim of the present study is to build a mathematical model of the respiratory system connected to an extracorporeal CO2 removal device (ECCO2RD) to optimize the gas exchanges efficiency. The model must be simple enough to provide rapid solutions and to estimate specific parameters from available clinical data. But it also must be complex enough to be able to simulate the respiratory system when protective ventilation is used and when this system is assisted by an ECCO2RD. [less ▲]

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See detailPerformance-based fire design and the U.S. prescriptive guidelines: A comparative study
Elhami Khorasani, Negar; Fang, Chenyang; Gernay, Thomas ULg

in Proceedings of the 39th IABSE Symposium (2017, September 21)

Current codes and standards for fire design of structures in the United States are mainly based on design at the component level using prescriptive approaches, while performance-based design for fire can ... [more ▼]

Current codes and standards for fire design of structures in the United States are mainly based on design at the component level using prescriptive approaches, while performance-based design for fire can be used to address the needs for designing modern buildings with cost-effective solutions. Previous research shows that, when system-level performance is considered, fire protection on secondary beam elements in composite steel-concrete floor systems is not necessary due to the development of a membrane action in the concrete slab during fire. This study compares the fire design of a 9-story office building using prescriptive and performance-based designs. The safety levels of the two designs are investigated and compared. It is shown that performance-based design can be used to achieve the required level of safety currently enforced in the U.S. prescriptive guidelines, while providing an opportunity for cost reduction in fire protection material. [less ▲]

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See detailUsing IPCAPS to identify fine-scale population structure
Chaichoompu, Kridsadakorn ULg; Fentaw Abegaz, Yazew ULg; Tongsima, Sissades et al

Poster (2017, September 09)

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See detailSynthesis, characterization, and durability study of Pt-Co hollow nanoparticles deposited on carbon xerogel electrocatalysts for Proton Exchange Membrane Fuel Cells (PEMFC)
Zubiaur, Anthony ULg; Asset, Tristan ULg; Olu, Pierre-Yves et al

Poster (2017, September)

Proton exchange membrane fuel cell (PEMFC) catalysts are generally made of carbon black (CB)supported platinum-based nanoparticles. However, the properties of CBs, as described by RodríguezReinoso [1 ... [more ▼]

Proton exchange membrane fuel cell (PEMFC) catalysts are generally made of carbon black (CB)supported platinum-based nanoparticles. However, the properties of CBs, as described by RodríguezReinoso [1], are not optimal for electrocatalysis. A possible solution to the drawbacks of CBs is the use of synthetic nanostructured materials with a controllable and reproducible texture and with a pure, known and constant chemical composition; carbon xerogels (CX) exhibit such properties [2]. Recently, various highly dispersed CX-supported Pt nanoparticles catalysts (Pt/CX) have been synthesized via several methods, such as the strong electrostatic adsorption (SEA) [3] or the charge-enhanced dry impregnation (CEDI) [4]. However, the decrease of the Pt mass contained in the PEMFC electrodes, in particular at the cathode where the oxygen reduction reaction (ORR) is processed, remains a major challenge. Improving the ORR mass activity is currently best achieved by alloying Pt with 3d-transition metal atoms such as cobalt (Co). These alloys perform better than the ORR because the substitution of some Pt atoms by 3d-metal atoms with smaller radius leads to a modified Pt electronic structure [5]. The synthesis and durability of Pt-Co hollow particles/CX (Fig. 1) is currently being studied in our groups. The results indicate that the specific and mass activity of the bimetallic hollow particles dispersed on CX is ca. 10 times higher than that of pure Pt/CB. The first durability results show good stability of the hollow particles structure. Performances and accelerated stress tests (ASTs) in PEMFCs were finally performed. [less ▲]

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See detailLandscape and hydrological controls on the downstream transport of dissolved organic matter in the Congo and Zambezi rivers
Lambert, T; Bouillon, S; Teodoru, CR et al

Conference (2017, August 20)

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See detailConstruction of high-resolution trace element time-series in Belgian speleothems by LA-ICP-MS
Allan, Mohammed ULg; verheyden, sophie; crucifix, michel et al

Conference (2017, August 17)

Speleothems, presented in Belgium, are now regarded as valuable archive of paelenvirenmental variations on the continents, offering a number of advantages relative to other continental climate proxy ... [more ▼]

Speleothems, presented in Belgium, are now regarded as valuable archive of paelenvirenmental variations on the continents, offering a number of advantages relative to other continental climate proxy recorders such as lake sediments. They are reliable continental archives of high interest due to their dating possibilities and their possibility to preserve multi-proxy records of environmental and climatic dynamics. Establishing high-resolution trace element time series in speleothems requires analytical techniques capable of representative sampling at sub-annual spatial resolution (on order of 22 µm in this study). In the Belgian Pere Noel cave (PN), high spatial resolution measurements of trace elements (e.g., Mg, Sr, Ba) were realized by using LA-ICP-MS and compared with results from lower resolution techniques (ICP-MS). The results from both techniques have been analysed in order to assess the capability of each technique to reconstruct climate changes at high resolution from PN stalagmite. Results showed that LA-ICP-MS technique allows a rapid analysis of multiple elemental concentrations, and uses minimal sample volume allowing for replicate sampling and availability of almost the entire original sample for other analyses. [less ▲]

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See detailVoice use among music theory teachers
Schiller, Isabel ULg; Morsomme, Dominique ULg; Sfez, Lou et al

Conference (2017, August)

In Belgium, there is a particular group of music teachers referred to as music theory teachers. Working at music schools, they convey theoretical knowledge and practical musical skills to groups of ... [more ▼]

In Belgium, there is a particular group of music teachers referred to as music theory teachers. Working at music schools, they convey theoretical knowledge and practical musical skills to groups of individuals who learn music during their free-time. Even though music theory teachers use both speaking and singing voice intensively at work, little is known about their voice use profiles. This study investigated the vocal loading among French-speaking music theory teachers. Objectives were (1) to describe their professional and extra-professional vocal loading, (2) to determine the relationship between vocal loading and background noise level and (3) to investigate whether objectively measured vocal loading is reflected in music theory teachers’ auto-evaluation of their voice. Using voice dosimetry, 13 music theory teachers were monitored for one workweek. Parameters analysed were F0, voice sound pressure level (SPL), phonation time, vocal loading index (VLI) and background noise SPL. At the end of each monitoring day, subjects self-assessed their voice use by means of visual analogue scales. Results revealed (1) significantly higher vocal loading in the professional context than in the extra-professional context, (2) significant positive correlations between background noise level and the parameters F0, voice SPL and phonation time and (3) significant correlations between the VLI and auto-evaluation data (e.g. voice quality and vocal fatigue). These results highlight that teaching music theory is a profession with high vocal demands. At work, music theory teachers are exposed to high background noise, which seems to influence their voice use and may potentially contribute to the development of voice problems among this population. Visual analogue scales provide a promising tool to subjectively investigate vocal loading among music theory teachers. [less ▲]

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See detailInfluence of urban patterns on flooding
Bruwier, Martin ULg; Mustafa, Ahmed; Aliaga, Daniel et al

in E-proceedings of the 37th IAHR World Congress (2017, August)

The goal of this paper is to identify the respective influence of different characteristics of urban patterns on urban flooding. A set of 2,290 alternate urban patterns was generated randomly using an ... [more ▼]

The goal of this paper is to identify the respective influence of different characteristics of urban patterns on urban flooding. A set of 2,290 alternate urban patterns was generated randomly using an urban generator tool providing the geometry of buildings and their relative location to the ground, over a square area of 1 km². Steady 2-D hydraulic computations were performed for these 2,290 different urban patterns with identical hydraulic boundary conditions. The computational time was reduced by using an anisotropic porosity model. This model uses relatively coarse computational cells; but preserves information from the detailed topographic data through the use of porosity parameters. Based on the computed maps of waterdepths for the 2,290 urban patterns, a sensitivity analysis based on a multiple linear regression was performed to outline the most influential urban characteristics. [less ▲]

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See detailPrevalence of voice disorders among teachers at the beginning of their career
Schiller, Isabel ULg

Poster (2017, August)

Due to the high vocal demands associated with their profession, teachers face an increased risk of developing voice disorders. Research suggests that up to 50 % of experienced teachers are affected. Even ... [more ▼]

Due to the high vocal demands associated with their profession, teachers face an increased risk of developing voice disorders. Research suggests that up to 50 % of experienced teachers are affected. Even student teachers, whose vocal load is still relatively low, report voice problems with a frequency of 20 % (Simberg, Laine, Sala, & Rönnemaa, 2000). Little is known about the prevalence of voice disorders among teachers at the very beginning of their career. In Germany, teachers must complete a two-year teaching practice as part of their professional training after they graduate from university, consisting of attending specialized courses and giving lessons. The aim of this symptom-based study was to determine the prevalence of voice problems among this population. A self-administered questionnaire was answered by 73 German teachers in teaching practice. The prevalence of a voice problem was defined based on the presence of two symptoms that persisted for a minimum of two weeks. Results revealed that 37 % of teachers had voice problems during their teaching practice. Among the most frequent symptoms were hoarseness, an urge to clear one’s throat and problems speaking at a loud voice. Considering that the participants had not even begun teaching full-time, the prevalence of reported voice problems is worrisome. It could be associated with their lacking experience in how to use their voice effectively. The findings highlight the necessity of early intervention programs focusing on vocal hygiene and effective voice use in classroom situations. [less ▲]

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See detailItem purification versus adjustments for multiple comparisons in DIF detection
Drabinova, Adela; Martinkova, Patricia; Magis, David ULg

Poster (2017, July 18)

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See detailmstR: An R package to generate multistage testing designs
Magis, David ULg; Yan, Duanli; von Davier, Alina

Conference (2017, July 18)

Multistage testing (MST; Yan, von Davier & Lewis, 2014) has become an important framework of tailored testing. Similarly to computerized adaptive testing (CAT) it proposes an optimal routing of the ... [more ▼]

Multistage testing (MST; Yan, von Davier & Lewis, 2014) has become an important framework of tailored testing. Similarly to computerized adaptive testing (CAT) it proposes an optimal routing of the administered items according to the previous test taker’s responses. However, items are not selected and administered as single units but as modules (subsets). The main goal of MST consists in selecting the optimal path of modules across the successive stages of the test. Unfortunately, if various operational testing programs are nowadays considering MST for practical administrations, there is still very limited access to accurate software that can either treat or generate MST scenarios for research purposes. In this talk we succinctly present a new package from the R software, called mstR (Magis, Yan & von Davier, 2017). Built in the same spirit of the package catR for CAT designs, it permits to generate repeated response patterns under a predefined MST scenario by providing the set of modules and related item parameters, the number of stages and the connections between modules from successive stages. Several rules for optimal module selection and ability estimation (under IRT framework or based on test scores) are also available. This talk will mostly focus on the (non-technical) description of package mstR and its main features. An example will also be described as an illustration of this framework. [less ▲]

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See detailUndoing Art
Delville, Michel ULg

Conference (2017, July 13)

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See detailDetermining fine population structure using iterative pruning
Chaichoompu, Kridsadakorn ULg; Yazew, Fentaw Abegaz; Tongsima, Sissades et al

Poster (2017, July 10)

SNP-based information is used in several existing clustering methods to detect shared genetic ancestry or to identify population substructure (Price et al. 2006, Raj et al. 2016). Here, we present an ... [more ▼]

SNP-based information is used in several existing clustering methods to detect shared genetic ancestry or to identify population substructure (Price et al. 2006, Raj et al. 2016). Here, we present an unsupervised clustering algorithm called the iterative pruning method to capture population structure (IPCAPS). Our method supports ordinal data which can be applied directly to SNP data to identify fine-level population structure and it is built on the iterative pruning Principal Component Analysis (ipPCA) algorithm (Intarapanich et al. 2009). The IPCAPS involves an iterative process using multiple splits based on multivariate Gaussian mixture modeling of principal components and Clustering EM estimation as in Lebret et al. (2015). In each iteration, rough clusters and outliers are also identified using our own method called RubikClust. The fixation index (FST) is known to measure a distance between populations and FST = 0.001 may be said to be genetically distinct among the European populations (Tian et al. 2008, Huckins et al. 2014). To observe fine-level population structure using FST, we examined simulated scenarios of one population, 500-8,000 individuals, 5,000-10,000 independent SNPs in HWE (Balding and Nichols 1995), with 100 replicates for each scenario. The simulated SNPs were encoded as additive coding and there was no missing genotype generated. We introduced negative control by subjecting individuals to be separated into two groups using kmeans. We observed that FST values of divided groups were lower than 0.0008, which can be defined as the minimum FST to detect fine-level population structure. To evaluate the performance of our method, we tested different simulated data sets of 2-3 populations, 250 individuals per population, 10,000 independent SNPs in HWE, and FST=[0.0008,0.005], with 100 replicates for each data set. For real-life data sets, we applied the IPCAPS to Thai (Wangkumhang et al. 2013) and HapMap populations. Our method showed that a population classification accuracy was superior to the ipPCA in simulated scenarios of extremely subtle structure (FST=[0.0009,0.005]). In case of the Thai population, results to detect fine-level structure were obtained as well as in case of the HapMap populations. We are convinced that the IPCAPS has a potential to detect fine-level structure and it will be important in molecular reclassification studies of patients once underlying population structure has been removed. [less ▲]

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See detailDimensions adaptatives des fonctionnements pervers et psychopathiques : une approche étho-phénoménologique
Englebert, Jérôme ULg

Conference (2017, July 10)

Notre objectif est de discuter des diagnostics du fonctionnement psychologique pervers et de la personnalité psychopathique. Si les versions récentes du DSM (IV et 5) ignorent ces diagnostics, la pratique ... [more ▼]

Notre objectif est de discuter des diagnostics du fonctionnement psychologique pervers et de la personnalité psychopathique. Si les versions récentes du DSM (IV et 5) ignorent ces diagnostics, la pratique clinique suggère de conserver ces deux entités présentant une finesse psychopathologique plus grande et un pouvoir discriminatif plus important que la personnalité antisociale. Nous souhaitons interroger les dimensions intrinsèquement adaptatives de ces deux entités, mais aussi relever leurs différences sur le continuum de l’adaptation. Nous chercherons, en effet, à démontrer que le principe d'adaptation est une dimension centrale et commune aux deux entités, mais qui « se joue » de façons différentes pour chacune. Le pervers est hyper-adapté à son interlocuteur tout en présentant des moments paradoxaux d'inadaptation. Le psychopathe, avec sa faculté de chosification de l'alter ego et ses compétences émotionnelles paradoxales, présente une adaptation plus solitaire. Dans une perspective inspirée des paradigmes éthologique et phénoménologique, nous tenterons de cerner les différences essentielles entre ces deux modes d’être-au-monde. [less ▲]

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See detailReinforcement Learning for Electric Power System Decision and Control: Past Considerations and Perspectives
Glavic, Mevludin ULg; Fonteneau, Raphaël ULg; Ernst, Damien ULg

in The 20th World Congress of the International Federation of Automatic Control, Toulouse 9-14 July 2017 (2017, July)

In this paper, we review past (including very recent) research considerations in using reinforcement learning (RL) to solve electric power system decision and control problems. The RL considerations are ... [more ▼]

In this paper, we review past (including very recent) research considerations in using reinforcement learning (RL) to solve electric power system decision and control problems. The RL considerations are reviewed in terms of speci c electric power system problems, type of control and RL method used. We also provide observations about past considerations based on a comprehensive review of available publications. The review reveals the RL is considered as viable solutions to many decision and control problems across di erent time scales and electric power system states. Furthermore, we analyse the perspectives of RL approaches in light of the emergence of new-generation, communications, and instrumentation technologies currently in use, or available for future use, in power systems. The perspectives are also analysed in terms of recent breakthroughs in RL algorithms (Safe RL, Deep RL and path integral control for RL) and other, not previously considered, problems for RL considerations (most notably restorative, emergency controls together with so-called system integrity protection schemes, fusion with existing robust controls, and combining preventive and emergency control). [less ▲]

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See detailOptimising workforce and energy costs by exploiting production flexibility
Cuvelier, Thibaut ULg; Louveaux, Quentin ULg

Conference (2017, July)

In a world where the electricity prices become more and more volatile, notably due to renewable energies, the industry is suffering from cost variations never seen before, especially when electro ... [more ▼]

In a world where the electricity prices become more and more volatile, notably due to renewable energies, the industry is suffering from cost variations never seen before, especially when electro-intensive. Nevertheless, the plants can significantly reduce this impact: some electro-intensive factories could shift their production to time periods where the electricity is cheaper, resulting in large savings. At the same time, the grid operator can remunerate this consumption adaptation as a flexibility service. Our research goal is to optimise the operations of a factory around this flexibility. We compute a production plan that adapts to price forecasts, but also flexibility levers that adjust this plan to react to unexpected price changes. We propose the unifying concept of reservoir to provide sufficiently good models for the plant's processes. Nevertheless, this methodology implies to have frequent production plan changes, which directly impacts the workers, as they may be asked to follow barely predictable schedules. This has a significant detrimental effect on their quality of life. As a consequence, the human aspect of flexibility must also be considered: we seek for production plans that consider both workforce and energy costs, and we then assign workers to work shifts while ensuring their well-being. This HR orientation is the most innovative contribution of this research project. [less ▲]

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See detail"Exploring Experiences of Inequality in European Urban Centers: Towards an Intersectional and Transnational Approach."
Vivas Romero, Maria ULg; Ramos, Cristina

Conference (2017, June 28)

What strategies do migrants living in European cities use to challenge inequalities in access to healthcare, participation in the labor market and the creation of social support networks? The papers in ... [more ▼]

What strategies do migrants living in European cities use to challenge inequalities in access to healthcare, participation in the labor market and the creation of social support networks? The papers in this panel aim to respond to this question by drawing from transnational and intersectional approaches conceptualizing inequalities as sets of relationships between people and broader structures in which interactions generate better opportunity for some more than for others (Tilly, 2000). Panel participants consider that these interactions and the benefits that can be obtained through migration are affected by various social categories such as gender, class, sexual identity, transnational connections, and citizenship. Intersectional approaches allow to examine how these axes of inequality (Crenshaw, 1989; Anthias, 2001) simultaneously affect migration outcomes and also how they operate differently according to the geographical space in which they develop: origin and host societies as well as transnationally. Nonetheless, the papers presented in this panel will also emphasize migrants’ agency to resist or conform to the inequalities they face. Overall, this panel aims to contribute to the study of migration and inequality at the conceptual and methodological levels. At the theoretical level, the panel will build on new debates on the reproduction of intersectional inequalities in transnational settings (Faist, 2016, Amelina, 2017). At the methodological level, all paper presenters have use multi-sited ethnographic methods (working in cities such as Madrid, London, Milan, Brussels and Frankfurt) and will therefore use the panel as an opportunity to discuss the strengths and weaknesses of such method. [less ▲]

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See detailUHPLC-ESI-MS/MS quantitation of natural estrogens in aqueous matrices as pyridine-3-sulfonyl derivatives
Glineur, Alex ULg; Ronkart, Sébastien; Nott, Kathérine et al

Conference (2017, June 22)

Natural estrogens (estrone: E1, 17-β-estradiol : E2, estriol : E3) and synthetic estrogen (17-α-ethinylestradiol: EE2) are powerful endocrine disruptors. They may have deleterious effects on aquatic ... [more ▼]

Natural estrogens (estrone: E1, 17-β-estradiol : E2, estriol : E3) and synthetic estrogen (17-α-ethinylestradiol: EE2) are powerful endocrine disruptors. They may have deleterious effects on aquatic wildlife and also humans even at extremely low concentrations. For this reason, these molecules have been included in a watch list from the European Commission regarding emerging aquatic pollutants. The maximum detection limits are set at 0.035 and 0.40 ng/L for EE2 and E1, E2 respectively. Reaching such low levels of concentration of estrogenic compounds is a challenge, even using state-of-the-art analytical methods. In this study, we developed a UHPLC-ESI-MS/MS method allowing the quantification of E1, E2, E3 and EE2 residues in aqueous matrices. Studies commonly used ESI in negative mode albeit the poor ionization efficiency of native estrogenic compounds in this mode. In this study, the molecules were derivatised using a sulfonyl chloride reagent (pyridine-3-sulfonyl, P-3-S). The resulting response in the positive mode was significantly enhanced. Similarly to other dansyl derivatives, the product ion spectra of the P-3-S derivatives indicate ions originating from the derivatization reagent moiety. Moreover, several other ions were included in the product ion spectra of the P-3-S derivatives. Their specificity was assessed by a qualitative approach implying the analysis of different types of water samples (groundwater, surface water). Some product ions were found to be noticeably better for quantification and confirmation of the analytes. The developed analytical method was validated according to the NF T90-210 norm which is suitable to assess the performances of a method in the water quality field. The limits of quantification were 0.04, 0.05, 0.10 and 0.02 ng/L in groundwater and 0.89, 0.79,4.42 and 0.29 ng/L in surface water for E1, E2, E3 and EE2 respectively. [less ▲]

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See detailLa comparaison en Belgique
Delville, Michel ULg

Conference (2017, June 22)

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See detailChromatographic analysis of alkaloids in Aconitum pollen : towards new insights in plant protection mechanisms
Vanderplanck, Maryse ULg; Glauser, Gaëtan; Tyteca, Eva ULg et al

Conference (2017, June 19)

Alkaloids are a class of naturally occurring organic nitrogen-containing bases that are found primarily in plants. They display a huge diversity with more than 3,000 different types already identified ... [more ▼]

Alkaloids are a class of naturally occurring organic nitrogen-containing bases that are found primarily in plants. They display a huge diversity with more than 3,000 different types already identified. Next to their different pharmacological and therapeutic effects, alkaloids can have a deleterious impact on organisms as they are known to be neurotoxic and cardiotoxic for mammals and insects. In the current context of worldwide bee decline, occurrence of such compounds in floral production, i.e. nectar and pollen, raises major concerns. They could be beneficial to bees by protecting them against disease and pathogens but they could also cause toxicity. Until now alkaloids, and their effect on human health, are mainly studied in vegetative parts of plants. More recently the natural occurrence of alkaloids in nectar was also studied to investigate their effect on bee health. Whereas nectar chemicals can relatively easily and quickly be analyzed by chromatography, extracting chemicals from low pollen amount remains a challenge because of pollen structure and complexity. However, characterization of pollen chemicals can lead to valuable insight in their impact on pollinators allowing the development of mitigation strategies. In this study, we used a UHPLC-(ESI)-Q-ToF/MS method allowing the identification and quantification of alkaloids in pollen matrices from four Aconitum species; A. lycoctonum, A. napellus compactum, A. napellus neomontanum and A. variegatum. Alkaloid extraction was performed using bead-beating disruption of the pollen sample and chromatographic analysis was carried out on an Acquity UPLC system interfaced with a Synapt G2 QTOF. The separation was achieved in gradient mode on an Acquity UPLC BEH C18 column and detection was performed in electrospray positive ionization mode (ES+). Alkaloid concentrations were measured as aconitine equivalents by using a pure aconitine standard as reference compound. The total amount of alkaloids in Aconitum pollen ranged from 0.75 to 1.20 mg/g with 859 different compounds detected, some of them being pollen-specific. Statistical analyses were conducted on the global dataset to assess both quantitative and qualitative interspecific differences. One-way analysis of variance was performed on the total alkaloid content while a permutational test of multivatiate analysis of variance was used to compare the alkaloid profiles among the four Aconitum species. Results are briefly discussed in an ecological context. [less ▲]

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See detailTowards Mixed-Type Modelling of Structures with Slender and Deep Beam Elements
Liu, Jian ULg; Mihaylov, Boyan ULg

Conference (2017, June 12)

Concrete frame structures often include both slender and deep beams. Deep beams possess a large shear capacity, and thus are typically used as transfer girders to carry heavy loads over large spans. The ... [more ▼]

Concrete frame structures often include both slender and deep beams. Deep beams possess a large shear capacity, and thus are typically used as transfer girders to carry heavy loads over large spans. The overloading of such members due to extreme events such as earthquakes may result in the collapse of the entire structure. To evaluate the resilience of large frame structures under extreme loading, it is necessary to model the interaction between the deep girders and the rest of the structure in an accurate and computationally effective manner. To address this issue, this paper proposes a mixed-type modelling framework by formulating an innovative 1D macro deep-beam element and coupling it with 1D slender elements. The new macro element aims to combine the accuracy of 2D micro finite elements with the simplicity of 1D macro elements. The paper summarizes the formulations of this element, based on the three-parameter kinematic theory, and integrates it into an existing global nonlinear analysis procedure to create a mixed-type modeling framework. The verification study, including a frame structure with a deep transfer girder, has shown that this approach captures the response of the frame with an accuracy similar to that of 2D micro finite elements, while requiring approx. 20% of the analysis time. [less ▲]

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See detailImpact of formulation and process parameters on near-infrared spectra: Application for water determination in biopharmaceuticals
Clavaud, Matthieu ULg; Roggo, Yves; Allmendinger, Andrea et al

Poster (2017, June 11)

Traditionally, the water content of freeze-dried biopharmaceuticals is determined by time-consuming methods such as Karl Fischer titration. As a fast and non-destructive method, many studies demonstrated ... [more ▼]

Traditionally, the water content of freeze-dried biopharmaceuticals is determined by time-consuming methods such as Karl Fischer titration. As a fast and non-destructive method, many studies demonstrated the efficiency of Near-Infrared (NIR) spectroscopy for that purpose [1]. In this study, NIR was applied to different freeze-dried monoclonal antibody. The aim was to evaluate the robustness of a NIR model depending on formulation composition and process parameters of the lyophilization parameters, and the benefits of NIR when developing a freeze-drying cycle for a new pharmaceutical product. A full Design of experiments (DoE) was established in order to produce materials with various formulations and various process parameters. As a first step, a calibration model was created and validated. The model creation was based on 4 target lyophilized cycles which were manufactured to obtain samples with different water content concentration. Then, 20 lyophilized cycles were produced according to the DoE. Two levels of protein and sucrose concentration, and two levels of pressure / primary drying temperature and process time were investigated. Furthermore, several samples of each experiment stored at different temperature and relative humidity conditions were evaluated. Chemometrics using Principal Component Analysis (PCA) and Partial Least Squares (PLS) were used to evaluate the process variations and to determine the water content, respectively. NIR is capable to differentiate between different lyophilization process conditions, based on chemometrics. Robust calibration NIR model for water determination was generated against KF independent on lyophilization process parameters and formulation composition. NIR is suitable and robust method for drug product development of freeze-dried formulation. [less ▲]

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See detailLa place de l’éthique dans la clinique du lien social
Englebert, Jérôme ULg; Gesché, Michèle; Kalonji, Johan

Conference (2017, June 09)

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See detailFire risk assessment of multi-story buildings based on fragility analysis
Gernay, Thomas ULg; Elhami Khorasani, Negar; Garlock, Maria

in Proceedings of the 2nd International Fire Safety Symposium - IFireSS 2017 (2017, June 08)

Recent efforts aim at assessing the fire performance of structures in a probabilistic framework. But there is still no well-established method to quantify the reliability of entire buildings. Previous ... [more ▼]

Recent efforts aim at assessing the fire performance of structures in a probabilistic framework. But there is still no well-established method to quantify the reliability of entire buildings. Previous works focused on isolated structural members, therefore not allowing for a determination of the global safety level of buildings. Here, a new methodology is developed to quantify the reliability of buildings in fire. The methodology uses Monte Carlo simulations for constructing fragility functions associated with different fire breakout locations in a building, then combines the functions to characterize the overall building conditional probability of failure, and finally incorporates the probabilistic models for intensity measure and fire occurrence likelihood. The methodology is applied to multi-story steel buildings. This work addresses fire reliability at the building scale, and therefore is useful for standardizing safety level as well as for evaluating community resilience. [less ▲]

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See detailFire resistance of concrete slabs acting in compressive membrane action
Molkens, Tom; Gernay, Thomas ULg; Caspeele, Robby

in Proceedings of the 2nd International Fire Safety Symposium - IFireSS 2017 (2017, June 08)

In building renovation, the real behaviour of reinforced concrete slabs cannot always be explained by the bending theory according to classical structural mechanics. Indeed, the bearing capacity, as ... [more ▼]

In building renovation, the real behaviour of reinforced concrete slabs cannot always be explained by the bending theory according to classical structural mechanics. Indeed, the bearing capacity, as assessed for instance by a loading test, sometimes appears to be much higher than what would be expected. This phenomenon may be caused by the activation of an arch-effect or so-called compressive membrane action (CMA) which can develop even with small vertical deformations. For a slab which is completely restrained, the presence of reinforcement becomes of lesser importance when this phenomenon is activated (except for end fields). Hence, for fire resistance purposes, it can be discussed whether reinforcement and concrete cover has a smaller influence on the bearing capacity for slabs subjected to fire which exhibit a significant concrete compressive membrane behaviour. This paper presents a loading test performed on a real concrete building which highlighted the development of CMA as the load bearing mode. It then proposes a strategy to evaluate the behaviour resulting from the development of CMA in reinforced concrete slabs at ambient and at elevated temperature based on numerical modelling. The numerical analyses are performed with the finite element software SAFIR® using a strip of layered shell elements. A plastic-damage constitutive model with an explicit transient creep formulation is used to capture the concrete behaviour at elevated temperature. [less ▲]

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See detailLa reconnaissance de la maladie mentale en psychopathologie légale
Englebert, Jérôme ULg

Conference (2017, June 01)

De nombreux programmes thérapeutiques recommandent d’orienter la thérapie sur la reconnaissance du trouble ou de la maladie. Nous évoquerons cette problématique dans le cadre de la psychiatrie légale ... [more ▼]

De nombreux programmes thérapeutiques recommandent d’orienter la thérapie sur la reconnaissance du trouble ou de la maladie. Nous évoquerons cette problématique dans le cadre de la psychiatrie légale (particulièrement avec des patients présentant un diagnostic de schizophrénie et ayant commis des faits de délinquance sexuelle). Avoir pour objectif de réduire l’anosognosie pose la question des représentations du trouble et de la connaissance de ces phénomènes complexes. La distinction des perspectives en première et troisième personnes est un apport récent et décisif de la phénoménologie à la psychologie clinique et à la psychopathologie (Parnas, Sass & Zahavi, 2012). La perspective en troisième personne consiste en l’attribution, depuis une position externe, de signes cliniques repérés indépendamment du ressenti exprimé par le patient. L’exemple typique de ces signes est le délire et l’hallucination du schizophrène. Ces symptômes cristallisent précisément les difficultés qu’éprouve le sujet à se reconnaitre affecté du trouble. La perspective en première personne concentre, quant à elle, son attention sur l’expérience subjective exprimée par le patient. Si l’on reprend le cas de la schizophrénie, ce sont la « perte de l’évidence naturelle » des choses ou un « sentiment de diminution du soi » qui sont verbalisés. Ce pas de côté de la vision omnisciente du médical, assumant une remise en cause du pouvoir de domination qu’entraine la perspective en troisième personne, se révèle être un outil psychothérapeutique pertinent. Il désacralise le problème de l’anosognosie et ouvre la voie à une perspective intersubjective, à une « co-reconnaissance ». [less ▲]

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See detailProfiling inferior left dorsal premotor cortex: when Area 55b meets Premotor Eye-Field
Genon, Sarah ULg; Reid, Andrew; Langner, Robert et al

Poster (2017, June)

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See detailDecoding the disciplines – A pilot study at the University of Liège (Belgium)
Verpoorten, Dominique ULg; Devyver, Julie ULg; Duchâteau, Dominique ULg et al

in Andersson, Roy (Ed.) Proceedings of the 2nd EuroSoTL Conference (2017, June)

This paper reports on a first attempt to apply the two first stages of the “Decoding the disciplines” framework (Pace, 2017) at the University of Liège (Belgium). In this context, 7 professors volunteered ... [more ▼]

This paper reports on a first attempt to apply the two first stages of the “Decoding the disciplines” framework (Pace, 2017) at the University of Liège (Belgium). In this context, 7 professors volunteered to reflect, through a structured process, upon “bottlenecks” in their courses, with the help of IFRES’ (Institute for Training and Research in Higher Education) pedagogical advisers. This pilot delivered contrasted observations: while participants granted value to their exposure to this approach, especially in terms of enhanced awareness of possible discrepancies between what experts and newcomers in the field might consider as obvious, none of them activated the possibility offered to tackle the identified bottlenecks, according to the systematic approach (stages 3-7) suggested by the framework. The paper presents the pedagogical setting, analyses the interviews of participants and the outcomes of the project, outlines explanations for its results, and shares some lessons learnt. [less ▲]

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See detailHic Sunt NATs: Uncovering Address Translation with a Smart Traceroute
Zullo, Raffaele; Pescapé, Antonio; Edeline, Korian ULg et al

in IEEE/IFIP Workshop on Mobile Network Measurement (MNM) (2017, June)

Middleboxes are pervasive in today's Internet as they are deployed for an increasing number of reasons. An example is the network address translation (NAT), one of the first task to be performed to cope ... [more ▼]

Middleboxes are pervasive in today's Internet as they are deployed for an increasing number of reasons. An example is the network address translation (NAT), one of the first task to be performed to cope with the lack of IPv4 addresses. Recently the landscape for NATs has become even more crowded, especially in mobile networks, mainly due to the impossibility of IPv6 to be a large-scale solution to addressing issues. In this paper, we present a novel methodology for detecting NATs embodied in Mobile Tracebox, a measurement tool for Android smart devices that detects a wide range of middleboxes. It analyzes ICMP time-exceeded messages received during \traceroute and points at IP and transport checksum inconsistencies in the embedded packets to uncover address translation along a path. We deployed Mobile Tracebox through a crowdsourcing approach and used the collected dataset to validate our methodology. Results showed that, in absence of middleboxes breaking \traceroute, it can help to detect and locate NATs in the majority of the cases. [less ▲]

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See detailUntargeted serum metabolite profiling of colorectal cancer using GC-Orbitrap technology
Di Giovanni, Nicolas ULg; Cojocariu, C; Silcock, P et al

Poster (2017, June)

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