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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Chounet, François;

    Pour comprendre les enjeux li´es `a l’endettement public dans la cr´edibilit´e des accords mon´etairesdans le cas de l’entre-deux-guerres, nous ´etudierons l’influence de l’endettement public sur l’´etalon-or,de sa fondation dans la seconde moiti´e du XIXe si`ecle, `a son abandon au cours de la grande d´epression.La qualit´e des finances publiques, en particulier l’endettement public, fut d´eterminante dans la capacit´ed’une nation `a adh´erer `a cet accord mon´etaire. L’endettement public joua aussi un rˆole d´ecisif dans lafin de ces syst`emes mon´etaires, `a l’issue de la Grande Guerre et lors de la grande d´epression. Dans unsecond temps, notre d´emarche consistera `a comprendre les m´ecanismes qui conduisirent l’endettementpublic `a ˆetre en partie responsable de la fin de l’´etalon de change-or et de l’´emergence de nouveauxblocs mon´etaires dans les ann´ees trente. Face `a la grande d´epression, les modalit´es d’organisation et defonctionnement de cet accord mon´etaire, rendirent impossible son maintien. Si les variables ´economiqueset politiques furent d´eterminantes dans son abandon, celles d’endettement public jou`erent aussi. Apr`esavoir d´ecrit les modalit´es de sortie de l’´etalon de change-or, nous montrerons les m´ecanismes th´eoriquesqui lient les crises mon´etaires et les crises d’endettement et les appliquerons `a la grande d´epression. Nous´etudierons en particulier le cas de la France. Nous montrerons `a l’aide d’un mod`ele de dur´ee, l’influencede la dette publique dans le maintien des parit´es-or pendant la crise. Enfin, nous verrons comment denouveaux blocs mon´etaires se form`erent. To understand the challenges linked to public debt in credibility of monetary agreementsbetween the World Wars, we shall study influence of public debt on the gold standard, from its founda-tion in the second half of the XIXth century to end during the Great Depression. The quality of publicfinances, in particular the public debt, was determining in the capacity of a nation to subscribe to thismonetary agreement. The public debt also had a decisive role in the end of these monetary systems, atthe end of World War I and during the Great Depression. In a second part, our approach will consistin understanding mechanisms which led public debt to be partly accountable for the end of the gold-exchange standard and the rise of new monetary blocks in the thirties. Facing the Great Depression, themodalities of organization and functioning of this monetary agreement, made impossible to sustain it. Ifeconomic and political variables were determining in its end, variables linked to public debt played too.Having described modalities of release of gold-exchange standard, we shall show the theoretical mecha-nisms which link monetary crisis and debts crisis and we will applied them to the Great Depression. Wewill study in particular the case of France. We shall show using a duration model, influence of publicdebt in preservation of gold parity during the crisis. Finally, we shall see how new monetary blocks formed.

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Hyper Article en Lig...arrow_drop_down
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    Other literature type . 2016
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    Oskar Bordeaux
    Doctoral thesis
    Data sources: Oskar Bordeaux
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    Authors: Masson, Eric; Bruyère-Masson, Virginie; Vuillaume, Philippe; Lemoyne, Sylvain; +1 Authors

    International audience

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    Hyper Article en Ligne
    Other literature type . 1999
    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Hal-Diderot
    Other literature type . 1999
    Data sources: Hal-Diderot
    Hal-Diderot
    Article . 1999
    Data sources: Hal-Diderot
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Hyper Article en Lig...arrow_drop_down
      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
      Hyper Article en Ligne
      Other literature type . 1999
      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
      Hal-Diderot
      Other literature type . 1999
      Data sources: Hal-Diderot
      Hal-Diderot
      Article . 1999
      Data sources: Hal-Diderot
  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Huyghe, Richard;

    Cet article présente un état de la réflexion sur la sémantique des noms d’action (Nact) en français. Il s’agit dans un premier temps de déterminer les critères d’identification qui s’appliquent à l’ensemble des Nact, au-delà des prototypes déverbaux, agentifs et prédicatifs. L’aspect dynamique apparaît comme l’élément de définition fondamental de la catégorie. Il implique la double construction avec des expressions temporelles (de localisation ou de durée) et des verbes supports d’action ou d’événement (effectuer, avoir lieu, etc.). L’organisation interne de la classe des Nact est ensuite étudiée, et différents principes d’hétérogénéité sémantique sont détaillés. Il est établi que l’aspect nominal n’est pas calqué sur le modèle verbal, et que certaines propriétés descriptives, touchant à l’individuation des actions et à leur forme de réalisation, relèvent spécifiquement du domaine nominal. Sont enfin examinées les propriétés polysémiques des Nact, d’après leur capacité à dénoter d’autres participants de l’action (agents, instruments, résultats, etc.) et à associer en contexte les interprétations multiples. This paper provides a state-of-the-art overview of the semantics of action nouns (ANs) in French. First, the definition of ANs is investigated, as it should apply to all ANs, not only to prototypical deverbal, agentive and predicative nouns. Dynamicity appears to be the main definitional criterion, which implies that ANs occur with both temporal expressions (of location or duration) and actional or eventive light verbs (effectuer ‘make’, avoir lieu ‘take place’, etc.). Second, the heterogeneity of the AN category is studied, and some semantic differences between ANs are highlighted. It is claimed that nominal aspect does not tally with verbal aspect: there are semantic features related to the individuation of events and the way they occur that only exist in the nominal domain. Third, the polysemy of ANs is scrutinized regarding their ability to denote other participants in the event (agents, instruments, results, etc.), and their ability to combine multiple interpretations in context.

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    Hyper Article en Ligne
    Other literature type . 2014
    HAL-Inserm
    Article . 2014
    Data sources: HAL-Inserm
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    This Research product is the result of merged Research products in OpenAIRE.

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    Authors: Genicot, B; Peckova, M; Close, R; Lindsey, Jk; +2 Authors

    International audience

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Hyper Article en Lig...arrow_drop_down
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    Hyper Article en Ligne; Hal-Diderot
    Other literature type . Article . 1994
    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Hyper Article en Lig...arrow_drop_down
      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
      Hyper Article en Ligne; Hal-Diderot
      Other literature type . Article . 1994
      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: MALINGUMU SYOSYO, Crispin;

    Le présent article a pour objectif d'identifier la nature réelle du marché des télécommunications mobiles en République Démocratique du Congo. L'étude indique que le taux de pénétration du mobile est de 44,6% à fin 2014, supérieur à la moyenne africaine de 37%. Entre 2002 et 2007, le marché de la téléphonie mobile congolais est passé d'une structure oligopolistique à une concurrence monopolistique. Les nouvelles firmes accèdent sur le marché par l'acquisition des infrastructures des firmes suiveuses et, exceptionnellement, par l'investissement direct étranger. Dans la conquête des parts des marches, deux groupes d'acteurs interagissent sur le marché : les leaders qui commandent le jeu du marché et les suiveurs qui calquent leur comportement sur celui de leaders. L'étude révèle qu'en matière de tarification, les firmes optent pour deux modes : en prépayé et en mode post-paiement auquel est associé le principe de modulation horaire. L'étude indique, en outre que, la vive compétition entre les opérateurs passe par des stratégies marketing favorable à la qualité de service que par celle de réduction du prix des communications. Elle suggère aux pouvoirs publics de mettre en place un cadre réglementaire obligeant aux firmes d'assurer l'accès à leurs réseaux et définissant les normes de qualité en matière d'interconnexion et de service aux consommateurs. This article aims to identify the real nature of the mobile telecommunications market in the Democratic Republic of Congo. The study indicates that the mobile penetration rate is 44.6% at the end of 2014, higher than the African average of 37%. Between 2002 and 2007, the Congolese mobile market evolved from an oligopolistic structure to monopolistic competition. The new firms enter to the market through the acquisition of infrastructure from follower firms and exceptionally by foreign direct investment. In the conquest of the market shares, two groups of actors interact in the market: the leaders who control the market forces and followers who mimic their behavior on that of leaders. The study reveals that in terms of pricing, firms choose two modes: prepaid and post-payment method which is associated with the principle of hourly modulation. The study also indicates that the intense competition between operators is through marketing strategies favorable to the quality of service rather than by the reduction in the price of communications. It suggests to the government to set up a regulatory framework requiring firms to provide access to their networks and defining quality standards for interconnection and service to consumers.

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Hyper Article en Lig...arrow_drop_down
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    Authors: Soulé, C; Guillou, Jp; Vallet, C; Perret, C; +1 Authors

    International audience

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    Hal-Diderot
    Other literature type . 1994
    Data sources: Hal-Diderot
    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Hyper Article en Ligne
    Other literature type . 1994
    Hal-Diderot
    Article . 1994
    Data sources: Hal-Diderot
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      Hal-Diderot
      Other literature type . 1994
      Data sources: Hal-Diderot
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      Hyper Article en Ligne
      Other literature type . 1994
      Hal-Diderot
      Article . 1994
      Data sources: Hal-Diderot
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    Authors: Paviot, Y.;

    Les technologies actuelles permettent l'intégration de systèmes de plus en plus complexes sur une seule puce. L'augmentation de la complexité induit un accroissement du temps de conception alors que paradoxalement, le concurrence économique impose des temps de mise sur le marché de plus en plus courts. Pour tenter de limiter ce décalage et d'accroître la productivité, l'industrie fait de plus en plus appel à la réutilisation de composants logiciels et matériels pour concevoir leurs systèmes.L'un des problèmes de ce type de conception est celui de la réalisation de la communication entre composants. Cette thèse traite de la communication entre processeurs réalisée par des interfaces mixtes logicielles/matérielles. Leur difficulté de conception et l'impact du choix de partitionnement entre parties logicielles et matérielles nécessitent le développement de méthodes de génération automatique d'interfaces logicielles/matérielles pour l'exploration du partitionnement des services de communication.La contribution de cette thèse consiste en une formalisation des problèmes liés à l'implémentation mixte logicielle/matérielle des services de communication et une proposition de flot pour la génération automatique d'interfaces. Des expériences de réalisations de primitives MPI ont permis d'appréhender le problème et de proposer un flot de génération automatique. Current technologies enable the integration of more and more complex systems on a single chip. The increase in complexity leads to an increase of design time whereas economical competition demands to ever shorter time to market. In order to try to fill this gap and to increase productivity, reuse of HW and SW components to design systems is used more and more by industrial firms.One problem of these design methodologies is about communication between components. The topic of this thesis is hardware/software interface implementation for communication between processors. Interface design difficulties and impact of hardware/software partitioning require automatic interfaces generation in order to enable exploration of partitioning solutions.The contributions of this thesis are formalization of problems with regard to communication services implementation by hardware/software interface, and a suggestion of an automatic interfaces generation flow. Two experiences with MPI implementations led to understanding of the partitioning problematics and to an automatic generation flow.

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    Authors: Vidal, Jérémie; Su, Sylvie; Cébron, David;

    Acoustic eigenmodes are often used to passively infer physical properties of the interiors of rotating planets and stars. Acoustic wave imaging has been also introduced in fluid dynamics. The experimental technique consists in observing and analysing the splitting in frequency of the acoustic modes, by solving an inverse problem. For instance, the presence of an (unknown) rotational profile disturbs the acoustic spectrum. Moreover, a topographic splitting is often superimposed on the rotational splitting. Indeed, rotating celestial objects are rather ellipsoidal than spherical at the leading order, as well as laboratory experiments which are weakly non-spherical (due to mechanical deformations). Rotation and topography should be taken into account simultaneously, but the acoustic problem does not admit exact solutions in the presence of rotation. Fully numerical solutions are often computed. However, they cannot be easily combined with inversion schemes to yield robust results. Hence, the usual approach is to consider small perturbations to non-rotating solutions. As an alternative, we present a new description of the compressible modes, relying on the method of weighted residuals. Here, we present a new spectral method to describe potential flows in triaxial ellipsoids. It relies on an explicit Galerkin expansion, made of global polynomials expressed in Cartesian coordinates. We illustrate this method by considering the canonical situation of diffusionless acoustic modes in an homogeneous, compressible and homentropic fluid ellipsoid at rest. The pressure satisfies a Dirichlet condition (sound soft boundary). We validate our results against fully numerical simulations performed with the commercial software comsol, showing a perfect quantitative agreement. This new method will be extended to include additional effects and alternative boundary conditions. Les modes acoustiques sont couramment utilisés pour déterminer les propriétés physiques de l'intérieur des planètes et des étoiles. La méthode d'imagerie par vélocimétrie acoustique a été récemment introduite en mécanique des fluides, en complément des méthodes d'imagerie existantes. Elle consiste à reconstruire l'écoulement à partir de la levée de dégénérescence des modes acoustiques, observée expérimentalement (par exemple) en présence d'un profil de rotation. Ainsi, des algorithmes d'inversion sont nécessaires pour reconstruire indirectement l'écoulement en rotation dans des expériences en géométrie quasi-sphérique. Cependant, les objets célestes et les expériences ne sont pas rigoureusement sphériques, mais plutôt ellipsoïdaux (au premier ordre). Les effets topographiques et la rotation doivent alors être pris en compte correctement dans le modèle physique. Les méthodes analytiques et numériques existantes (en géométrie déformée) ne peuvent plus alors être couplées facilement et efficacement aux algorithmes d'inversion. Pour remédier à ce problème, nous avons développé une nouvelle méthode de Galerkin semi-analytique en ellipsoïdes tri-axes. Elle repose sur une décomposition polynomiale explicite, en coordonnées cartésiennes, des écoulements potentiels en ellipsoïdes. Nous illustrons la méthode en considérant les modes acoustiques d'un fluide compressible, uniforme et homentropique, avec une condition de Dirichlet homogène à la paroi (condition isobare). Nous validons nos résultats avec des simulations numériques réalisées avec le logiciel comsol. Nous étendrons cette méthode novatrice afin de prendre en compte des effets physiques supplémentaires, afin de décrire plus précisément les conditions expérimentales.

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    Authors: Gadgil, A.J.; Lobscheid, C.; Abadie, Marc, O.; Finlayson, E.U.;

    n.a.

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    Authors: Barr, Charles;

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    Authors: Chounet, François;

    Pour comprendre les enjeux li´es `a l’endettement public dans la cr´edibilit´e des accords mon´etairesdans le cas de l’entre-deux-guerres, nous ´etudierons l’influence de l’endettement public sur l’´etalon-or,de sa fondation dans la seconde moiti´e du XIXe si`ecle, `a son abandon au cours de la grande d´epression.La qualit´e des finances publiques, en particulier l’endettement public, fut d´eterminante dans la capacit´ed’une nation `a adh´erer `a cet accord mon´etaire. L’endettement public joua aussi un rˆole d´ecisif dans lafin de ces syst`emes mon´etaires, `a l’issue de la Grande Guerre et lors de la grande d´epression. Dans unsecond temps, notre d´emarche consistera `a comprendre les m´ecanismes qui conduisirent l’endettementpublic `a ˆetre en partie responsable de la fin de l’´etalon de change-or et de l’´emergence de nouveauxblocs mon´etaires dans les ann´ees trente. Face `a la grande d´epression, les modalit´es d’organisation et defonctionnement de cet accord mon´etaire, rendirent impossible son maintien. Si les variables ´economiqueset politiques furent d´eterminantes dans son abandon, celles d’endettement public jou`erent aussi. Apr`esavoir d´ecrit les modalit´es de sortie de l’´etalon de change-or, nous montrerons les m´ecanismes th´eoriquesqui lient les crises mon´etaires et les crises d’endettement et les appliquerons `a la grande d´epression. Nous´etudierons en particulier le cas de la France. Nous montrerons `a l’aide d’un mod`ele de dur´ee, l’influencede la dette publique dans le maintien des parit´es-or pendant la crise. Enfin, nous verrons comment denouveaux blocs mon´etaires se form`erent. To understand the challenges linked to public debt in credibility of monetary agreementsbetween the World Wars, we shall study influence of public debt on the gold standard, from its founda-tion in the second half of the XIXth century to end during the Great Depression. The quality of publicfinances, in particular the public debt, was determining in the capacity of a nation to subscribe to thismonetary agreement. The public debt also had a decisive role in the end of these monetary systems, atthe end of World War I and during the Great Depression. In a second part, our approach will consistin understanding mechanisms which led public debt to be partly accountable for the end of the gold-exchange standard and the rise of new monetary blocks in the thirties. Facing the Great Depression, themodalities of organization and functioning of this monetary agreement, made impossible to sustain it. Ifeconomic and political variables were determining in its end, variables linked to public debt played too.Having described modalities of release of gold-exchange standard, we shall show the theoretical mecha-nisms which link monetary crisis and debts crisis and we will applied them to the Great Depression. Wewill study in particular the case of France. We shall show using a duration model, influence of publicdebt in preservation of gold parity during the crisis. Finally, we shall see how new monetary blocks formed.

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    Oskar Bordeaux
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    Authors: Masson, Eric; Bruyère-Masson, Virginie; Vuillaume, Philippe; Lemoyne, Sylvain; +1 Authors

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    Authors: Huyghe, Richard;

    Cet article présente un état de la réflexion sur la sémantique des noms d’action (Nact) en français. Il s’agit dans un premier temps de déterminer les critères d’identification qui s’appliquent à l’ensemble des Nact, au-delà des prototypes déverbaux, agentifs et prédicatifs. L’aspect dynamique apparaît comme l’élément de définition fondamental de la catégorie. Il implique la double construction avec des expressions temporelles (de localisation ou de durée) et des verbes supports d’action ou d’événement (effectuer, avoir lieu, etc.). L’organisation interne de la classe des Nact est ensuite étudiée, et différents principes d’hétérogénéité sémantique sont détaillés. Il est établi que l’aspect nominal n’est pas calqué sur le modèle verbal, et que certaines propriétés descriptives, touchant à l’individuation des actions et à leur forme de réalisation, relèvent spécifiquement du domaine nominal. Sont enfin examinées les propriétés polysémiques des Nact, d’après leur capacité à dénoter d’autres participants de l’action (agents, instruments, résultats, etc.) et à associer en contexte les interprétations multiples. This paper provides a state-of-the-art overview of the semantics of action nouns (ANs) in French. First, the definition of ANs is investigated, as it should apply to all ANs, not only to prototypical deverbal, agentive and predicative nouns. Dynamicity appears to be the main definitional criterion, which implies that ANs occur with both temporal expressions (of location or duration) and actional or eventive light verbs (effectuer ‘make’, avoir lieu ‘take place’, etc.). Second, the heterogeneity of the AN category is studied, and some semantic differences between ANs are highlighted. It is claimed that nominal aspect does not tally with verbal aspect: there are semantic features related to the individuation of events and the way they occur that only exist in the nominal domain. Third, the polysemy of ANs is scrutinized regarding their ability to denote other participants in the event (agents, instruments, results, etc.), and their ability to combine multiple interpretations in context.

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    Authors: Genicot, B; Peckova, M; Close, R; Lindsey, Jk; +2 Authors

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      Other literature type . Article . 1994
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    Authors: MALINGUMU SYOSYO, Crispin;

    Le présent article a pour objectif d'identifier la nature réelle du marché des télécommunications mobiles en République Démocratique du Congo. L'étude indique que le taux de pénétration du mobile est de 44,6% à fin 2014, supérieur à la moyenne africaine de 37%. Entre 2002 et 2007, le marché de la téléphonie mobile congolais est passé d'une structure oligopolistique à une concurrence monopolistique. Les nouvelles firmes accèdent sur le marché par l'acquisition des infrastructures des firmes suiveuses et, exceptionnellement, par l'investissement direct étranger. Dans la conquête des parts des marches, deux groupes d'acteurs interagissent sur le marché : les leaders qui commandent le jeu du marché et les suiveurs qui calquent leur comportement sur celui de leaders. L'étude révèle qu'en matière de tarification, les firmes optent pour deux modes : en prépayé et en mode post-paiement auquel est associé le principe de modulation horaire. L'étude indique, en outre que, la vive compétition entre les opérateurs passe par des stratégies marketing favorable à la qualité de service que par celle de réduction du prix des communications. Elle suggère aux pouvoirs publics de mettre en place un cadre réglementaire obligeant aux firmes d'assurer l'accès à leurs réseaux et définissant les normes de qualité en matière d'interconnexion et de service aux consommateurs. This article aims to identify the real nature of the mobile telecommunications market in the Democratic Republic of Congo. The study indicates that the mobile penetration rate is 44.6% at the end of 2014, higher than the African average of 37%. Between 2002 and 2007, the Congolese mobile market evolved from an oligopolistic structure to monopolistic competition. The new firms enter to the market through the acquisition of infrastructure from follower firms and exceptionally by foreign direct investment. In the conquest of the market shares, two groups of actors interact in the market: the leaders who control the market forces and followers who mimic their behavior on that of leaders. The study reveals that in terms of pricing, firms choose two modes: prepaid and post-payment method which is associated with the principle of hourly modulation. The study also indicates that the intense competition between operators is through marketing strategies favorable to the quality of service rather than by the reduction in the price of communications. It suggests to the government to set up a regulatory framework requiring firms to provide access to their networks and defining quality standards for interconnection and service to consumers.

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    Authors: Soulé, C; Guillou, Jp; Vallet, C; Perret, C; +1 Authors

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    Other literature type . 1994
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    Article . 1994
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      Other literature type . 1994
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      Other literature type . 1994
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      Article . 1994
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