
Publications ORBi OA
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See detailLos 'sin voz' y los intelectuales en México. Reflexiones sobre algunos ensayos de Mariano Azuela, Octavio Paz y el EZLN.
Vanden Berghe, Kristine ULg

in Latinoamérica. Revista de estudios latinoamericanos. (2006), 42(1), 131-152

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See detailThe Critical Neighbourhood Range for Asymptotic Overlay Connectivity in Ad Hoc Networks
Calomme, Sandrine; Leduc, Guy ULg

in Ad Hoc & Sensor Wireless Networks (2006), 2(2), 169-187

We first motivate the use of ad hoc overlays. In particular, we argue that overlay routing could play a role in the spreading of ad hoc networks. We then define a simple criterion for neighbourhood: two ... [more ▼]

We first motivate the use of ad hoc overlays. In particular, we argue that overlay routing could play a role in the spreading of ad hoc networks. We then define a simple criterion for neighbourhood: two overlay nodes are neighbours if and only if there exists a path between them of at most R hops, and R is called the (overlay) neighbourhood range. A small R may result in a disconnected overlay, while an unnecessarily large R would generate extra control traffic. We are interested in the minimum R ensuring overlay connectivity, the so-called critical R. We study conditions on R to achieve asymptotic connectivity of the overlay almost surely, i.e. connectivity with probability 1 when the number of nodes in the underlying ad hoc network tends to infinity (so-called dense networks) or when the size of the field tends to infinity (socalled sparse networks), under the hypothesis that the underlying ad hoc network is itself asymptotically almost surely connected. For dense networks, we derive a necessary and sufficient condition on R, and for sparse networks we derive distinct necessary and sufficient conditions that are however asymptotically tight. These conditions, though asymptotic, shed some light on the relation linking the critical R to the number of nodes n, the field size the radio transmission range r and the overlay density D (i.e., the proportion of overlay nodes). These conditions can be considered as approximations when the number of nodes (resp. the field) is large enough. Since r is considered as a function of n or l , we are able to study the impact of topology control mechanisms, by showing how the shape of this function impacts the critical R. [less ▲]

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See detailProteome variations of the Myzus persicae aphid according to host plant change.
Francis, Frédéric ULg; GERKENS, P.; Harmel, Nicolas ULg et al

in Insect Biochemistry and Molecular Biology (2006), 36(3), 219-227

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See detailCompte rendu de David BRADSHAW, "Aristotle East and West. Metaphysics and the Division of Christendom"
Gavray, Marc-Antoine ULg

in Antiquité Classique : Revue Interuniversitaire d'Etudes Classiques (2006), 75

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See detailCompte rendu deLuciana ROMERI, "Philosophie entre mots et mets. Plutarque, Lucien et Athénée à la table de Platon"
Gavray, Marc-Antoine ULg

in Antiquité Classique : Revue Interuniversitaire d'Etudes Classiques (2006), 75

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See detailLa forme du poème : effets analytiques, effets synthétiques
Purnelle, Gérald ULg

in Delville, Michel; Belloi, Livio (Eds.) L'oeuvre en morceaux: Esthétiques de la mosaïque (2006)

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See detailAchromatic optical vortex coronagraph with subwavelength gratings
Mawet, Dimitri ULg; Riaud, Pierre ULg; Baudrand, J. et al

in Proceedings of the Coronagraph Workshop (2006)

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See detailLe “vers de prose” : vers et prose ? entre vers et prose ? (ni vers ni prose ?)
Purnelle, Gérald ULg

in Formes Poétiques Contemporaines (2006), 4

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See detailInfluence of experimental parameters on properties and microstructure of the steel X210CrW12 in the semi-solid state
Fraipont, Céline; Puettgen, Wolfgang; Bleck, Wolfgang et al

in Solid State Phenomena (2006), 116-117

This paper deals with the examination of the steel grade X210CrW12 and its suitability for Thixoforming. In the semi-solid state, the microstructure of this steel consists of a homogeneous distribution of ... [more ▼]

This paper deals with the examination of the steel grade X210CrW12 and its suitability for Thixoforming. In the semi-solid state, the microstructure of this steel consists of a homogeneous distribution of globular particles surrounded by liquid. Additionally, carbides are stabile up to fraction liquid contents of approximately 40%. After quenching, this steel reveals a globular austenitic microstructure with eutectic (former liquid phase) at the grain boundaries. Compression tests permit to determine the influence of different process parameters on the properties and the material behaviour in the semi-solid state. Their influence on the microstructure was investigated but not yet highlighted. Further investigations on this steel allow a fine-tuning to establish optimal process windows of the different thixoforming- and rheoforming-routes. [less ▲]

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See detailThe power of hybrid acceleration
Boigelot, Bernard ULg; Herbreteau, Frédéric

in Lecture Notes in Computer Science (2006), 4144

This paper addresses the problem of computing symbolically the set of reachable configurations of a linear hybrid automaton. A solution proposed in earlier work consists in exploring the reachable ... [more ▼]

This paper addresses the problem of computing symbolically the set of reachable configurations of a linear hybrid automaton. A solution proposed in earlier work consists in exploring the reachable configurations using an acceleration operator for computing the iterated effect of selected control cycles. Unfortunately, this method imposes a periodicity requirement on the data transformations labeling these cycles, that is not always satisfied in practice. This happens in particular with the important subclass of timed automata, even though it is known that the paths of such automata have a periodic behavior. The goal of this paper is to broaden substantially the applicability of hybrid acceleration. This is done by introducing powerful reduction rules, aimed at translating hybrid data transformations into equivalent ones that satisfy the periodicity criterion. In particular, we show that these rules always succeed in the case of timed automata. This makes it possible to compute an exact symbolic representation of the set of reachable configurations of a linear hybrid automaton, with a guarantee of termination over the subclass of timed automata. Compared to other known solutions to this problem, our method is simpler, and applicable to a much larger class of systems. [less ▲]

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See detailCompte rendu de l'ouvrage de G. Michaud et É. Nardout-Lafarge, Constructions de la modernité au Québec
Provenzano, François ULg

in Mondes francophones.com : revue mondiale des francophonies (2006)

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See detailHippocampal response at training promotes insight after sleep
Darsaud, Annabelle; Balteau, Evelyne ULg; Desseilles, Martin ULg et al

in NeuroImage (2006), 31(Suppl. 1),

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See detailLa langue des vers : le cas des e post-toniques entravés
Purnelle, Gérald ULg

in Viprey, Jean-Marie (Ed.) JADT 06. Actes des 8es Journées internationales d’Analyse statistique des Données Textuelles (2006)

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See detailDe Duchamp à Mallarmé. Un suspens de la croyance
Durand, Pascal ULg

in Bilous, D. (Ed.) Mallarmé et après ? Fortunes d'une oeuvre (2006)

La carrière et la démarche du poète Mallarmé et de l'artiste Marcel Duchamp sont marquées, pour l'un comme pour l'autre, par un "suspens de la croyance" dans la valeur intrinsèque de l'œuvre d'art, fondé ... [more ▼]

La carrière et la démarche du poète Mallarmé et de l'artiste Marcel Duchamp sont marquées, pour l'un comme pour l'autre, par un "suspens de la croyance" dans la valeur intrinsèque de l'œuvre d'art, fondé sur un rapport d'ironie critique à l'égard du système de production de la valeur esthétique. La présente contribution met en évidence les diverses formes que prend cette ironie, tant dans la théorisation de l'acte esthétique que dans sa mise en pratique au sein des champs symboliques concernés. [less ▲]

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See detailThree dimensional sediment transport model of the Belgian coastal zone: application of the CART theory
Mercier, Christophe ULg; Delhez, Eric ULg

Conference (2006)

Suspended sediment processes in the Belgian coastal zone are discussed by presenting the first results given by a 3D coupled hydrodynamic-sediment transport model covering the Southern Bight in North Sea ... [more ▼]

Suspended sediment processes in the Belgian coastal zone are discussed by presenting the first results given by a 3D coupled hydrodynamic-sediment transport model covering the Southern Bight in North Sea. The hydrodynamic sub-model is three-dimensional, baroclinic and includes a refined turbulence closure. In the sediment transport sub-model, the dynamic of sediments is described by an evolution equation of the sediment concentration in the water column and an equation for the sediment load on the seabed. Sedimentation is modeled through the addition of a sedimentation velocity in the vertical advection term. For the evaluation of deposition and erosion terms, formu- lae based on the calculation of the bottom stress under the combined effect of prevailing currents and waves are used. For more realism, sediment loads has also been split into different sediment classes with different sedimentation, deposition and erosion characteristics. The equations are solved by a finite volume method based on an Arakawa C grid, using sigma-transform and mode-splitting numerical methods. The horizontal resolution is 500x500 m and 10 vertical sigma-layers are used. Advection is handled using a TVD scheme with superbee flux limiter. Boundary conditions are provided by coupling this model to a 3D coupled hydrodynamic-sediment transport model of the North-Western European Continental Shelf. The results are validated with measurements carried out by Haecon NV and are compared with those obtained with the MU-STM model. A sensitivity analysis of the model to critical parameters of erosion, deposition and sedimentation based on the concept of residence time was carried out. [less ▲]

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See detailLe capital social : une introduction
Jacquemain, Marc ULg

in Houard, Jean; Jacquemain, Marc (Eds.) Capital social et dynamique régionale (2006)

The text presents the main articulations within social capital theory : formal and informal, thin and thick, bonding, bridging and linking social capital, with a word about the theory of the "dark side ... [more ▼]

The text presents the main articulations within social capital theory : formal and informal, thin and thick, bonding, bridging and linking social capital, with a word about the theory of the "dark side". It also adresses the question of what is at stake in this theory. Then, the text introduces the main themes of the book : the links between social capital and social cohesion, gender, education, media, entrepeneurship [less ▲]

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See detailNotes à la lecture de quelques textes de Marc Angenot : autour du concept d'idéologie
Provenzano, François ULg

in COnTEXTES : Revue de Sociologie de la Littérature (2006)

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See detailReconversion to organic famring, between organic rules and agro-food chain referential: How to fit out the organic fattening referential?
Jamar, Daniel; Decruyenaere, Virginie; Stassart, Pierre M ULg et al

in European Joint Organic Congress (2006)

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See detailAlimenter le lien entre consommateurs, éleveurs et animaux
Lamine, Claire; Stassart, Pierre M ULg; Bartiaux, Nicole et al

Report (2006)

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See detailBack to work
Stassart, Pierre M ULg; Mormont, Marc ULg; Louviaux, Mélanie

Conference (2006)

Detailed reference viewed: 10 (2 ULg)

 

 
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