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See detailComputing coalitions in Multiagent Systems, A contextual reasoning approach
Bikakis, Antonis, ; Caire, Patrice UL

in European Conference on Multi-Agent Systems, Prague 18-19 December 2014 (2014, December 18)

In multiagent systems, agents often have to rely on other agents to reach their goals, for example when they lack a needed resource or do not have the capability to perform a required action. Agents there ... [more ▼]

In multiagent systems, agents often have to rely on other agents to reach their goals, for example when they lack a needed resource or do not have the capability to perform a required action. Agents there- fore need to cooperate. Some of the questions then raised, such as, which agent to cooperate with, are addressed in the field of coalition formation. In this paper we go further and first, address the question of how to com- pute the solution space for the formation of coalitions using a contextual reasoning approach. We model agents as contexts in Multi-Context Systems (MCS) and dependence relations among agents as bridge rules. We then systematically compute all potential coalitions using algorithms for MCS equilibria. Finally, given a set of functional and non-functional requirements, we propose ways to select the best solutions. We illustrate our approach with an example from robotics. [less ▲]

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See detailL'a priori, l'a posteriori, le pur et le non pur chez Christian Wolff et ses maîtres
Neveu, Sébastien Adrien Charles UL

Doctoral thesis (2014)

This work tries at first, in a structural part, to understand the coherence and to estimate the solidity of the " marriage between the reason and the experience " that Christian Wolff tried to establish ... [more ▼]

This work tries at first, in a structural part, to understand the coherence and to estimate the solidity of the " marriage between the reason and the experience " that Christian Wolff tried to establish in philosophy, by means of the concepts of a priori, of a posteriori, the pure and the not pure. It demonstrates while this "alliance" is not bearable and engenders an important tension in the whole of its thought, what engenders a historic crisis concerning the metaphysics, the crisis ending historically in the criticism of Kant. In a more historic, second part, this work tries to go back up at the origin of the use of these concepts (a priori, a posteriori, pure and not pure) at the predecessors of Wolff (Tschirnhaus, Leibniz, Weigel, Sturm, Agricola, Descartes, Ramus, etc.) to establish that the concept of pure reason is far from making the unanimity in the classic thought, that it stirs up controversy and that it is in complete opposition with the Aristotelian and scholastic tradition. This work thus allows in the end to question a history of the official philosophy based on the classic interpretation stemming from Kant. [less ▲]

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See detailZ_2^n Supergeometry
Poncin, Norbert UL

Presentation (2014, December 17)

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See detailLes « guerres de religion », hier, aujourd’hui … et demain ?
Weis, Monique UL

Conference given outside the academic context (2014)

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See detailLa distinction entre intentio auditoris et intentio operis et sa mise en oeuvre comme critère d'identité du professeur de musique
Sagrillo, Damien UL

Presentation (2014, December 16)

Dans Les Limites de l'interprétation (Paris, 1992) Umberto Ecco distinguait entre la recherche de l’intentio operis et la subordination du texte à l’intentio lectoris. Dans le premier cas, il s’agit d’ « ... [more ▼]

Dans Les Limites de l'interprétation (Paris, 1992) Umberto Ecco distinguait entre la recherche de l’intentio operis et la subordination du texte à l’intentio lectoris. Dans le premier cas, il s’agit d’ « in-terprétation », et dans le deuxième, Ecco parle d’ « utilisation des textes ». L’importance de cette thèse pour la pédagogie musicale est que l’intentio lectoris est à l’origine de tout apprentissage de la mu-sique. Transféré à la musique on pourrait parler d’intentio auditoris. Si les apprentis doivent être mo-tivés à changer l’intentio auditoris dans le sens de l’intentio operis, ils doivent profiter de la possibilité de réaliser le lien de leur propre intentionnalité avec la musique, c.à.d. qu’ils doivent tenter de changer l’objet. Ceci est une tâche primordiale qui revient aux professeurs de musique. L'importance des médias électroniques et des nouvelles technologies se situera au centre d’un projet de recherche d’envergure européenne de la FEMP (Forum of European Music Pedagogy, Forum Euro-péen de Pédagogie de Musique, Forum Europäische Musikpädagogik). Il revient à l’identité et au pro-fessionnalisme du professeur de musique de reconnaître la distance entre intentio auditoris et intentio operis (la dernière fut apprise lors de sa propre formation) et d’oeuvrer avec conviction en vue de réduire cette distance. En outre, il devra justifier et remettre en question à tout moment les objectifs de son action pédagogique pour soi-même et pour élèves. L’objectif de notre/nos communication(s) est de retracer l’identité des enseignants de musique sous un angle européen, notamment en distinguant entre les pays orientés plutôt vers la tradition alle-mande (le pédagogue-musicien) d’un côté et des pays préconisant le système d’origine francophone, voire anglo-saxonne (le musicien-enseignant), de l’autre. Repérer des pistes en vue d’un enrichisse-ment réciproque entre les différentes traditions sera un des buts du PR de la FEMP. [less ▲]

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See detailPenser l’autorité avec l’avènement de la masse. Lecture croisée de Le Bon, Freud et Kelsen
Lefort, Elisabeth UL; Kaipl, Esteban

in Trajectoires (2014)

Le concept de masse est crucial dans la pensée de l’autorité politique, dans la mesure où il en démontre clairement le fondement psychologique : la masse est essentiellement irrationnelle et émotive. Plus ... [more ▼]

Le concept de masse est crucial dans la pensée de l’autorité politique, dans la mesure où il en démontre clairement le fondement psychologique : la masse est essentiellement irrationnelle et émotive. Plus encore, elle ne peut pas se constituer sans un meneur qui lui dise ce qu’il faut qu’elle pense, ce qu’elle sente et ce qu’elle fasse. Pour former une unité, elle nécessite donc une forte figure d’autorité. La lecture de Le Bon, Freud et Kelsen permet de comprendre l’importance de cette dimension psychologique, cela par le croisement de trois disciplines : la socio psychologie, la psychanalyse et la théorie juridico politique. [less ▲]

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See detailLernskript Psychologie: Kapitel 4: Biopsychologie
Schmithüsen, Franziska; Anton, Fernand UL

in Schmithüsen, Franziska (Ed.) Lernskript Psychologie (2014)

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See detailFemmes entrepreneures
Constantinidis, Christina UL

in Chauvin, Pierre-Marie; Grossetti, Michel; Zalio, Pierre-Paul (Eds.) Dictionnaire sociologique de l'entrepreneuriat (2014)

Une des premières recherches centrées sur les femmes entrepreneures a été réalisée par Schwartz en 1976. Depuis, l’intérêt du monde académique, managérial et politique pour l’entrepreneuriat féminin n’a ... [more ▼]

Une des premières recherches centrées sur les femmes entrepreneures a été réalisée par Schwartz en 1976. Depuis, l’intérêt du monde académique, managérial et politique pour l’entrepreneuriat féminin n’a cessé de croître, avec de nombreux travaux publiés sur le sujet. L'entrée 'Femmes entrepreneures' dans ce dictionnaire sociologique de l'entrepreneuriat, retrace l'histoire des recherches en entrepreneuriat féminin depuis les premiers travaux de Schwartz jusqu'à présent, d'un point de vue historique, philosophique et sociologique. [less ▲]

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See detailLes droits fondamentaux dans la réforme constitutionnelle
Gerkrath, Jörg UL

Scientific Conference (2014, December 10)

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See detailModelling and global analysis of transcript profiles reveals dynamic roles for microRNAs in transcriptional networks controlling lineage commitment.
Liivrand, Maria UL

Doctoral thesis (2014)

Controlled maintenance of multipotent stem cells is a key component for the development and sustainment of complex multicellular organisms. Various signalling pathways contribute to these processes being ... [more ▼]

Controlled maintenance of multipotent stem cells is a key component for the development and sustainment of complex multicellular organisms. Various signalling pathways contribute to these processes being either lineage specific or more ubiquitously distributed over different tissue types. Transcription factors are considered as the primary propagators of signals that induce multipotent precursor cells to differentiate into specified cell types. These processes are required to revolve in a constrained and timely manner, with different cell types using variable sets of transcription factors and time scales. microRNA molecules represent an efficient and specific class of regulatory non-coding RNA molecules that efficiently constrain and specify differentiation cascades. New findings suggest that various endogenous non-coding RNA species, whose expression is governed through elaborate transcription factor networks, contribute to the regulation of genomewide transcriptional output. Here, evidence is presented of microRNA and transcription factor connectivity during differentiation cascades. First, these two classes of RNA regulatory molecules are shown to share a common target, lipoprotein lipase, and exert dynamical regulation over its expression during adipogenic differentiation. Second, investigating the genome-wide initial events of adipogenic and osteoblastic lineage commitment cascades reveals extensive transcription in non-protein-coding genomic regions. Further analysis of a select cohort of these non-coding transcripts allows for inferring transcription factor binding dynamics through enhancer-related RNA sequences as well as suggests a more wide-spread role for long non-coding RNA species in regulating transcriptional output. These findings contribute to unravelling basic transcriptional circuitry during cellular transitions. [less ▲]

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See detailRegards sur la violence
Heinz, Andreas UL; Steffgen, Georges UL; Bodson, Lucile et al

E-print/Working paper (2014)

Dans le cadre de l’enquête sur la sécurité 2013, 3 025 résidants ont été interrogés sur divers délits violents éventuellement subis. Il en ressort que 17% des personnes interviewées ont été harcelées au ... [more ▼]

Dans le cadre de l’enquête sur la sécurité 2013, 3 025 résidants ont été interrogés sur divers délits violents éventuellement subis. Il en ressort que 17% des personnes interviewées ont été harcelées au cours des 5 années précédant l’enquête (harcèlement moral / menaces / brimades), 4% ont été victimes de vols avec violence, 9% ont subi des violences physiques et 4% ont été victimes de violence sexuelle. Globalement, les jeunes résidants étaient plus exposés que les moins jeunes. Les hommes ont été deux fois plus souvent victimes de vols avec violence que les femmes alors que ces dernières ont beaucoup plus fréquemment vécu des agressions sexuelles. Les victimes de violence sexuelle ont également subi plus fréquemment de la violence physique. La classe d’âges des 25 – 34 ans se dit la moins inquiète par des atteintes physiques, même si elle est la plus concernée. Les hommes les appréhendent également moins que les femmes alors qu’ils en sont presque aussi souvent victimes. Parmi les personnes ayant subi de la violence physique entre 2008 et 2012, 38% en ont été victimes à plusieurs reprises. La plupart des agressions ont eu lieu au Grand-Duché (86%) et l’agresseur a le plus souvent agi seul (70%). 33% des victimes connaissaient leurs agresseurs de nom et dans 26% de ces cas il s’agissait de l’ex-conjoint. [less ▲]

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See detailThe right to good administration at the crossroads of the different sources of fundamental rights in the EU integrated administrative system
Mihaescu, Bucura Catalina UL

Doctoral thesis (2014)

The right to good administration as it stands today is both a general principle of EU law (hereafter GPL) and a fundamental right codified in the Charter of Fundamental Rights of the EU. The present ... [more ▼]

The right to good administration as it stands today is both a general principle of EU law (hereafter GPL) and a fundamental right codified in the Charter of Fundamental Rights of the EU. The present contribution provides the case study of good administration at the confluence of these two vectors of protection and highlights that there are instances where, even in relation to what might appear to be the same right, there are overlaps and sometimes clear differences as regards its content and level of protection according to its interpretation as a GPL or a CFR right. This study points out that the divergences stemming from the interplay of these two fundamental rights’ sources may, in certain instances, take the form of actual or potential conflicts, giving rise to inevitable “gaps” in protection. This makes the insurance of individuals’ rights dependent on the level of protection conferred by the source which is held to prevail, leading therefore to many inconsistencies and deficiencies from the standpoint of the rule of law. Having been conducted within a context marked by the entry into force of the Lisbon Treaty which - by giving binding legal force to the CFR, added a supplementary layer to the already existing “symphony of sources” – this study is a contribution to the debate on the difficult coexistence of the multiple sources of fundamental rights in the EU legal system. The reality of this coexistence gives rise to a large number of questions: How should one order the plurality of sources of law?” How do the various layers of protection interact? What is the relation between them in case of conflict? Are there instances where the outcome of a case is likely to be different depending on the invocation of a certain source of law rather than another; in other words, are there any existing or potential “gaps” in protection? If so, how may such gaps be filled up? Which source is to be relied on in priority, is there a hierarchy among them? Which would be the impact of such a hierarchical order of review with regard to individuals’ protection? Is there any room in the EU legal order for an alternative model of review, capable of supplementing the hierarchical approach? Which alternative model would be the most suited in order to confer an adequate and coherent protection of individuals’ fundamental rights? Assessed with regards to the more particular example of the right to good administration, these interrogations frame the main question of this study: Does the codification of the right to good administration in Article 41 CFR usurp the broader protection provided by the EU Courts under the GPL status of the notion? In other words, may the general principle of good administration take over where the scope of protection of the Charter’s right to good administration ends? The present contribution will highlight that the scope of protection of the right to good administration and of the various procedural rights codified under its “umbrella” in Article 41 CFR is defined in a significantly more restricted manner than their protection as general principles of EU law, being therefore likely to lead to multiple “gaps” in protection. Having in view the important practical need to ensure a “consistent” compliance with individuals’ fundamental rights - inter alia the right to good administration -, this study will argue for a dynamic approach of interpretation of sources, for a “pluralistic” – as opposed to a “hierarchical” – understanding of the relationship between the various layers of protection in the EU legal order, which will be called the “lexical order of review” . This approach – which implies a continuing reliance on the GPL vector of protection - is the best suited to confirm the seriousness of the EU commitment to fundamental rights . Besides this main purpose of assessing the principles of good administration at the confluence of their various sources, the present study further seeks to put forward the real interest and vast potential of the right to good administration in the EU legal order and especially in the context of “composite” administrative proceedings . With this objective in mind, the general introductory part of this study will be devoted to the analysis of the recognition, development, content and scope of application of the general principle of good administration. Such an overview is indispensable in order to highlight the real potential of this principle. This contribution further seeks to supply an answer to those who still question the need of a right to good administration in the EU legal order . In this regard, without denying that the right to good administration does not have an independent judicial life of its own – but merely exists via its sub-components which are now listed in Article 41 CFR - this study will demonstrate that the gathering of those principles under the “umbrella” of the right to good administration is likely to have vast potential for the protection of individuals in the EU administrative space. First, the present contribution suggests that by assimilating individuals’ rights during the administrative procedures to those enjoyed in judicial proceedings, the right to good administration leads to a sort of “judicialisation” of the administration , being capable of ensuring procedural justice, public administrative adherence to the rule of law and sound outcomes for administrative procedures. It is commonly agreed in this regard that adequate protection of procedural rights at the administrative level may have a positive impact for both individuals and the good functioning of the EU system as a whole; as prevention is better than cure, so good administration is better than remedies for bad administration . In this vein, although a remedy is normally available at the judicial level, on multiple occasions, the solution arrives too late to prevent harmful consequences for the individual concerned. Such a risk may be “prevented” by a proper protection of individuals’ rights at the administrative level. On the other hand, the achievement of sound administrative decisions in which individuals’ procedural rights are complied with may necessarily have a positive impact in terms of the proper functioning of the EU judicial apparatus in that it is likely to significantly decrease the workload of the EU Courts . In this way, the principle of good administration may be useful for the good administration of justice . Second, this study will demonstrate that since the landmark TUM decision , the right to good administration has established a “bridge” between the discretionary powers of the EU administrative authorities and the protection of individuals in administrative proceedings. The principle of good administration appears to act as a counterweight to the discretionary powers of the administrative players in that it induces the latter, when adopting decisions within their important powers of appraisal, to take the rights of individuals into account. In this way, both the “objective” and “subjective” rationales of the principle of good administration - namely the efficiency and rationality of the administration, on the one hand and individuals’ procedural protection, on the other hand, – are concomitantly complied with . Third, this contribution further seeks to highlight the potentiality of the right to good administration to fill the “gaps” of individual protection and to solve problems of legitimacy in the reality of the dynamically developing EU “integrated” administrative system – also known as “composite” administrative procedures - where decisions are taken with inputs from both national and EU administrative authorities, each using different procedural rules. The present study will illustrate that the “composite” nature of the right to good administration, by the strength stemming from the interaction of its sub-elements renders this “umbrella” right capable of ensuring the protection of individuals’ procedural rights within such “composite” administrative procedures . Consequently, the right to good administration may be held to constitute the key element of the integrated administrative system, the individual’s “ticket” for the protection of his procedural rights in the context of multi-level proceedings. Finally, this study will highlight that the right to good administration has vast potential in becoming a “trust-enhancing principle” and in bringing citizens closer to the EU institutions . Indeed, by placing the individual at the center of preoccupations of the EU administration, by seeking to ensure the fairness of the administration and the corresponding adequate procedural protection of individuals, the right to good administration is likely to become a key element in ensuring citizens’ trust in the EU institutions and in improving the latters’ legitimacy . It is probably this “trust” rationale of the right to good administration which has determined the enhanced procedural protection of “interested third parties” in certain administrative proceedings . Indeed, in some instances, the EU Courts overstepped the formal conception of the strict standing rules , in order to give primacy to the procedural protection of interested third parties . It is therefore not excluded that in the long run, the right to good administration become the privileged instrument for the protection of interested third parties in administrative proceedings. [less ▲]

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See detailJoint coordinated beamforming and admission control for fronthaul constrained cloud-RANs
Ha, Vu Nguyen UL; le, Long Bao

in 2014 IEEE Global Communications Conference proceedings (2014, December 08)

In this paper, we consider the joint coordinated beamforming and admission control design for cloud radio access networks (Cloud-RANs). Specifically, the set of multi-antenna remote radio heads (RRHs ... [more ▼]

In this paper, we consider the joint coordinated beamforming and admission control design for cloud radio access networks (Cloud-RANs). Specifically, the set of multi-antenna remote radio heads (RRHs) serving each single-antenna user and the corresponding beamforming vectors are optimized to minimize the total transmission power subject to constraints on the capacity of fronthaul links, maximum powers of RRHs, and the minimum signal to interference plus noise ratios (SINRs) of users. Since the minimum SINR requirements of all users may not be guaranteed, some users may need to be removed so that all constraints can be satisfied. This NP-hard beamforming and admission control problem can be typically solved via a greedy algorithm. We instead propose a novel convex relaxation approach to formulate the underlying problem to a single-stage semi-definite program (SDP) based on which we develop an iterative algorithm to solve it. We then present numerical results to demonstrate the significant gains of the proposed algorithm compared to the greedy counterpart. Also, the impacts of the target SINR and cluster size on the number of supported users and total transmission power are also studied. [less ▲]

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See detailNd-enriched particles prepared from NdFeB magnets: A potential separation route
Fredericci, Catia; de Campos, Marcos; Braga, Ana Paola et al

in Journal of Alloys and Compounds (2014), 615

Detailed reference viewed: 145 (9 UL)