References of "2019"
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See detailNew Migration of Families from Greece to Europe and Canada – Experiences and Interpretations of Family Members within the Context of Different Migration Societies and Educational Systems
Chatzidaki; Kirsch, Claudine UL; Panagiotopoulou, Argyro et al

Book published by Springer - Reihe Inklusion Bildung Migration (2019)

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See detailChallenges in completing EMU: asymmetric competition vs fiscal harmonisation. A case study of the Benelux countries
Danescu, Elena UL

in Journal of Contemporary European Research [=JCER] (2019)

This paper aims to investigate the concept, context and socio-economic consequences of fiscal competition in the integrated economic space of EMU in completion, to pinpoint the positive and negative ... [more ▼]

This paper aims to investigate the concept, context and socio-economic consequences of fiscal competition in the integrated economic space of EMU in completion, to pinpoint the positive and negative factors at work via a case study of the Benelux countries – both founder members of the EU and pioneers of EMU – and to examine the impact on European and international regulations in the field. In particular, it will endeavour to provide a comprehensive interpretation of fiscal policy in the Benelux countries via a comparative approach and from a historical perspective. It will look at the development of respective domestic fiscal policies, driven by national interests and by membership of a Community that is subject to requirements in terms of harmonisation and taxation, but also by constant contact (and frequent clashes) with the multilateral international environment. [less ▲]

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See detailTheir ‘Apple of Discord’ or the Apple of Their Eye: How the British Secured Eastern Mediterranean and Western European Security, 1947-1948
Paravantis, Spero UL

in Kamouzis, Dimitris; Nafpliotis, Alexandros (Eds.) Αnglo-Hellenic relations in the 20th Century (2019)

This chapter examines the role the British policy in Greece played in the shift in American foreign policy that was manifested in 1947-48, that led directly to these alliances, namely the Western European ... [more ▼]

This chapter examines the role the British policy in Greece played in the shift in American foreign policy that was manifested in 1947-48, that led directly to these alliances, namely the Western European Union and NATO. To achieve this shift (which also included support of British strategic interests in the Eastern Mediterranean) this chapter argues that the British used Greece, first as a way to draw the United States further into European affairs, and then as a way to anchor the United States in Europe, achieving a guarantee of security for the Eastern Mediterranean and for Western Europe. Drawing on both published and unpublished British and American sources, this chapter will also examine perceptions of the conflicts in and about Greece, and what it represented for Western European and Eastern Mediterranean security, and Western ideas of democracy when confronted with supporting a right-wing Greek government. In so doing, it clarifies how American foreign policy changed from its pre-war focus on non-intervention, to the cold-war politics of containment and intervention. [less ▲]

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See detailSecurity – Visible, Yet Unseen? How Displaying Security Mechanisms Impacts User Experience and Perceived Security
Distler, Verena UL; Zollinger, Marie-Laure UL; Lallemand, Carine UL et al

in Proceedings of ACM CHI Conference on Human Factors in Computing Systems (CHI2019) (2019, April)

An unsolved debate in the field of usable security concerns whether security mechanisms should be visible, or blackboxed away from the user for the sake of usability. However, tying this question to ... [more ▼]

An unsolved debate in the field of usable security concerns whether security mechanisms should be visible, or blackboxed away from the user for the sake of usability. However, tying this question to pragmatic usability factors only might be simplistic. This study aims at researching the impact of displaying security mechanisms on user experience (UX) in the context of e-voting. Two versions of an e-voting application were designed and tested using a between-group experimental protocol (N=38). Version D displayed security mechanisms, while version ND did not reveal any security-related information. We collected data on UX using standardised evaluation scales and semi-structured interviews. Version D performed better overall in terms of UX and need fulfilment. Qualitative analysis of the interviews gives further insights into factors impacting perceived security. Our study adds to existing research suggesting a conceptual shift from usability to UX and discusses implications for designing and evaluating secure systems. [less ▲]

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See detailExploration of Different School Value-Added Models in a Highly Heterogeneous Educational Context
Levy, Jessica UL; Brunner, Martin; Keller, Ulrich UL et al

Scientific Conference (2019, April)

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See detailPromoting multilingualism and multiliteracies through storytelling: a case-study on the use of the app iTEO in preschools in Luxembourg
Kirsch, Claudine UL

in Breuer, Esther; Lindgren, E; Stavans, A (Eds.) et al Multilingual Literacy (2019)

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See detailTraffic Management and Networking for Autonomous Vehicular Highway Systems
Rubin, Izhak; Baiocchi, Andrea; Sunyoto, Yulia et al

in Ad Hoc Networks (2019), 83

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See detailThe TNF Family of Ligands and Receptors: Communication Modules in the Immune System and Beyond
Dostert, Catherine; Grustat, M.; Letellier, Elisabeth UL et al

in Physiological Reviews (2019), 99(1),

The tumor necrosis factor (TNF) and TNF receptor (TNFR) superfamilies (TNFSF/TNFRSF) include 19 ligands and 29 receptors that play important roles in the modulation of cellular functions. The ... [more ▼]

The tumor necrosis factor (TNF) and TNF receptor (TNFR) superfamilies (TNFSF/TNFRSF) include 19 ligands and 29 receptors that play important roles in the modulation of cellular functions. The communication pathways mediated by TNFSF/TNFRSF are essential for numerous developmental, homeostatic, and stimulus-responsive processes in vivo. TNFSF/TNFRSF members regulate cellular differentiation, survival, and programmed death, but their most critical functions pertain to the immune system. Both innate and adaptive immune cells are controlled by TNFSF/TNFRSF members in a manner that is crucial for the coordination of various mechanisms driving either co-stimulation or co-inhibition of the immune response. Dysregulation of these same signaling pathways has been implicated in inflammatory and autoimmune diseases, highlighting the importance of their tight regulation. Investigation of the control of TNFSF/TNFRSF activities has led to the development of therapeutics with the potential to reduce chronic inflammation or promote anti-tumor immunity. The study of TNFSF/TNFRSF proteins has exploded over the last 30 yr, but there remains a need to better understand the fundamental mechanisms underlying the molecular pathways they mediate to design more effective anti-inflammatory and anti-cancer therapies. [less ▲]

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See detailMethodological Aspects of Software Engineering, Assurance, Quality, and Reliability Engineering (MAS/AQR) 2019 Welcome from the Minitrack Co-Chairs
Tenbergen, Bastian; Ries, Benoît UL

in Proceedings of the 52nd Hawaii International Conference on System Sciences (HICSS) (2019, January)

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See detailSimultaneous finite element analysis of circuit-integrated piezoelectric energy harvesting from fluid-structure interaction
Ravi, Srivathsan; Zilian, Andreas UL

in Mechanical Systems & Signal Processing (2019), 114

Flow-driven piezoelectric energy harvesting is a strongly coupled multiphysics phenomenon that involves complex three-way interaction between the fluid flow, the electromechanical effect of the ... [more ▼]

Flow-driven piezoelectric energy harvesting is a strongly coupled multiphysics phenomenon that involves complex three-way interaction between the fluid flow, the electromechanical effect of the piezoelectric material mounted on a deformable substrate structure and the controlling electrical circuit. High fidelity computational solution approaches are essential for the analysis of flow-driven energy harvesters in order to capture the main physical aspects of the coupled problem and to accurately predict the power output of a harvester. While there are some phenomenological and numerical models for flow-driven harvesters reported in the literature, a fully three-dimensional strongly coupled model has not yet been developed, especially in the context of flow-driven energy harvesting. The weighted residuals method is applied to establish a mixed integral equation describing the incompressible Newtonian flow, elastic substrate structure, piezoelectric patch, equipotential electrode and attached electric circuit that form the multiphysics fluid-structure interaction problem. A monolithic numerical solution method is derived that provides consistent and simultaneous solution to all physical fields as well as to fluid mesh deformation. The approximate solution is based on a mixed space-time finite element discretization with static condensation of the auxiliary fields. The discontinuous Galerkin method is utilized for integrating the monolithic model in time. The proposed solution scheme is illustrated in the example of a lid driven cavity with a flexible piezoelectric bottom wall, demonstrating quantification of the amount of electrical energy extractable from fluid flow by means of a piezoelectric harvester device. The results indicate that in order to make reliable predictions on the power output under varying operational states, the realization of strong multiphysics coupling is required for the mathematical model as well as the numerical solution scheme to capture the characteristics of flow-driven energy harvesters. [less ▲]

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See detailWhy is it so hard? And for whom? Obstacles to intra-European mobility
Kmiotek, Emilia Alicja UL; Skrobanek, Jan; Nienaber, Birte UL et al

in Migration Letters (2019)

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See detailAutomating Free Logic in HOL, with an Experimental Application in Category Theory
Benzmüller, Christoph UL; Scott, Dana

in Journal of Automated Reasoning (2019)

A shallow semantical embedding of free logic in classical higher-order logic is presented, which enables the off-the-shelf application of higher-order interactive and automated theorem provers for the ... [more ▼]

A shallow semantical embedding of free logic in classical higher-order logic is presented, which enables the off-the-shelf application of higher-order interactive and automated theorem provers for the formalisation andverification of free logic theories. Subsequently, this approach is applied to aselected domain of mathematics: starting from a generalization of the standardaxioms for a monoid we present a stepwise development of various, mutuallyequivalent foundational axiom systems for category theory. As a side-effect ofthis work some (minor) issues in a prominent category theory textbook havebeen revealed.The purpose of this article is not to claim any novel results in category the-ory, but to demonstrate an elegant way to “implement” and utilize interactiveand automated reasoning in free logic, and to present illustrative experiments. [less ▲]

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See detailSocioeconomic status amplifies genetic effects in middle childhood in a large German twin sample
Gottschling, Juliana UL; Hahn, E.; Beam, C.R. et al

in Intelligence (2019), 72

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See detailGrenzerfahrungen. Eine Geschichte der Deutschsprachigen Gemeinschaft Belgiens. Vol. 4: Staatenwechsel, Identitätskonflikte, Kriegserfahrungen (1919-1945)
Lejeune, Carlo; Brüll, Christoph UL; Quadflieg, Peter M.

Book published by Grenz Echo Verlag (2019)

Krieg, Krisen und Umbrüche, aber auch Fortschrittsglaube, Hoffnungen und Kontinuitäten kennzeichnen Europa im Zeitalter der Weltkriege. In der deutsch-belgischen Grenzregion führen Grenzverschiebungen zu ... [more ▼]

Krieg, Krisen und Umbrüche, aber auch Fortschrittsglaube, Hoffnungen und Kontinuitäten kennzeichnen Europa im Zeitalter der Weltkriege. In der deutsch-belgischen Grenzregion führen Grenzverschiebungen zu Orientierungslosigkeit, aber auch Beharrung. Eupen-Malmedy ist zu jener Zeit Randregion zwischen zwei Vaterländern, die in ihm keinen Zwischenraum erkennen wollen. Identitätskonflikte polarisieren und radikalisieren die politische Auseinandersetzung. Krieg wird erlebbar. Gleichzeitig verändern Massenmedien wie Zeitungen, Radio oder das Kino die Sicht der Menschen auf die Welt. Neue Maschinen und Werkstoffe, Traktoren und Lkw erhöhen die Produktivität und Mobilität der Welt. Telefon und Wanderbewegungen sind äußere Zeichen einer Moderne, die in der kleinen Grenzregion Eupen-Malmedy gleichzeitig so nah und so fern sein kann. Auch aus dem Blickwinkel des situativen Opportunismus, der den Einzelnen je nach Lebenssituation zwischen Anpassung oder Verweigerung schwanken lässt, zeichnen die 19 Autoren ein anderes Bild dieser bewegten Zeit nach, die für das Verständnis des heutigen Ostbelgiens grundlegend ist. [less ▲]

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See detailStructural framework conditions and individual motivations for youth-mobility: A macro-micro level approach for different European country-types
Hemming, Karen; Schlimbach, Tabea; Tilmann, Frank et al

in Migration Letters (2019), 16(1), 45-59

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See detailBRIDGE MONITORING WITH HARMONIC EXCITATION AND PRINCIPAL COMPONENT ANALYSIS
Nguyen, Viet Ha UL; Golinval, Jean-Claude; Maas, Stefan UL

in The Baltic Journal of Road and Bridge Engineering (2019)

Principal Component Analysis is used for damage detection in structures excited by harmonic forces. Time responses are directly analysed by Singular Value Decomposition to deduct two dominant Proper ... [more ▼]

Principal Component Analysis is used for damage detection in structures excited by harmonic forces. Time responses are directly analysed by Singular Value Decomposition to deduct two dominant Proper Orthogonal Values corresponding to two Proper Orthogonal Modes. Damage index is defined by the concept of subspace angle that a subspace is built from the two Proper Orthogonal Modes. A subspace angle reflects the coherence between two different structural health states. An example is given through the application on a part of a real prestressed concrete bridge in Luxembourg where different damage states were created by cutting a number of prestressed tendons in four scenarios with increasing levels. Results are better by using excitation frequency close to an eigenfrequency of the structure. The technique is convenient for practical application in operational bridge structures. [less ▲]

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See detailEscaping reality through videogames is linked to an implicit preference for virtual over real-life stimuli
Deleuze, Jory; Maurage, Pierre; Schimmenti, Adriano et al

in Journal of Affective Disorders (2019), 245

From the theory of compensatory Internet use, escapism through videogames may constitute a coping strategy that is sometimes helpful but, in some cases, maladaptive. Yet, evidence supporting this view has ... [more ▼]

From the theory of compensatory Internet use, escapism through videogames may constitute a coping strategy that is sometimes helpful but, in some cases, maladaptive. Yet, evidence supporting this view has, to date, been gathered only through the use of explicit self-reported questionnaires, which are known to be biased. Accordingly, the aim of the current study was to test whether the escapism motive is related to a preference for the virtual environment. Method. A laboratory task that allowed the measurement of implicit attitudes, namely, the Affect Misattribution Procedure was created with stimuli from real world and videogames. The task was administered online with a series of questionnaire and completed by 273 online gamers from the community. Results. The results showed that participants had more positive attitudes toward pictures depicting virtual environments than toward those depicting real environments. Furthermore, those participants who frequently used videogames to escape real life and were highly engaged in video gaming had a more pronounced positive implicit attitude toward the virtual environment. Discussion. This study contributes to a better understanding of the psychological processes underlying escapism in videogames and calls for a refinement of the escapism construct, which can be related to both problematic (i.e., potential coping strategy) and nonproblematic patterns of videogame use. Among the limitations, it should be noted that the selection of stimuli related to videogames is restricted to one genre of game, and that the participants’ environment could not be controlled due to the online design. [less ▲]

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See detailTrait emotional intelligence and problematic online behaviors among adolescents: The mediating role of mindfulness, rumination, and depression
Kircaburun, Kagan; Griffiths, Mark D.; Billieux, Joël UL

in Personality and Individual Differences (2019), 139

Preliminary studies have shown that trait emotional intelligence (trait EI) can be a risk factor for higher problematic use of specific online activities. However, the possible mediating role of ... [more ▼]

Preliminary studies have shown that trait emotional intelligence (trait EI) can be a risk factor for higher problematic use of specific online activities. However, the possible mediating role of mindfulness and rumination on the relationship of trait EI with problematic social media use (PSMU) and problematic online gaming (POG) is unclear. Among a sample of 470 adolescents, the present study examined the direct and indirect associations of trait EI with PSMU and POG and the potential mediational role of mindfulness, rumination, and depression while controlling for gender and age. Multiple mediation analyses indicated that trait EI was indirectly associated with PSMU via mindfulness, rumination, and depression, and with POG via mindfulness and rumination. Furthermore, rumination affected PSMU positively. The study provides empirical evidence of the theoretical assumption that different types of specific problematic online behaviors are related to both shared and specific risk factors. [less ▲]

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See detailGeschichtsschreibung als Spiegel des Zeitgeists. Von der Vereinnahmung der Geschichte zur Europäisierung der Erinnerungskultur
Brüll, Christoph UL; Lejeune, Carlo

in Lejeune, Carlo; Brüll, Christoph; Quadflieg, Peter M. (Eds.) Grenzerfahrungen. Eine Geschichte der Deutschsprachigen Gemeinschaft Belgiens. vol. 4: Staatenwechsel, Identitätskonflikte, Kriegserfahrungen (1919-1945) (2019)

Die Geschichtsschreibung über Eupen-Malmedy in der bewegten Zeit von 1914 bis 1950 spiegelt immer wieder den vorherrschenden politischen Zeitgeist: Sie bietet Annexionsliteratur, Rechtfertigungsschriften ... [more ▼]

Die Geschichtsschreibung über Eupen-Malmedy in der bewegten Zeit von 1914 bis 1950 spiegelt immer wieder den vorherrschenden politischen Zeitgeist: Sie bietet Annexionsliteratur, Rechtfertigungsschriften für die Annexion, pseudowissenschaftliche Kampfschriften, nationalistisch-aggressive Publikationen der Westforschung, nationalsozialistische Erlösungsliteratur, ein langes Schweigen, wissenschaftliche Fachliteratur, Betroffenheitsliteratur, eine lange Suche nach der eigenen Identität und eine Europäisierung und Professionalisierung der Geschichtsschreibung auf Grundlage der Menschenrechte. Zahlreiche Entwicklungen greifen ineinander oder bedingen sich durch ihre Gegensätzlichkeit. Ein Überblick. [less ▲]

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