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See detailStudent case vignettes for the investigation of teachers' tracking decisions
Böhmer, Ines; Hörstermann, Thomas UL; Gräsel, Cornelia et al

Report (in press)

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See detailTechnical Report LA19.E Rev. B. Headed studs in profiled steel sheeting transverse to the beam. Investigations on design resistance of headed stud shear connectors on the basis of the Final Draft of SC4.PT3 (April 2018)
Odenbreit, Christoph UL; Vigneri, Valentino

Report (2021)

The unsafety of current design rules for novel types of open-trough deck geometries for the resistance of headed studs in profiled steel sheeting is well known [1] and it was the main reason behind the ... [more ▼]

The unsafety of current design rules for novel types of open-trough deck geometries for the resistance of headed studs in profiled steel sheeting is well known [1] and it was the main reason behind the nomination of CEN/TC250/SC4- Task SC4.T3: “Revised rules for shear connection in the presence of modern forms of profiled sheeting”. During the RFCS research project “DISCCO” (RFCS-CT-2012-00030) [1], a mechanical model was developed on the basis of a large literature study and previous studies [2, 3, 4, 5, 6] while the corresponding design equations were presented by CEN/TC250/SC4.PT3 and further enhanced during the Research Project “ShearCON” of University of Luxembourg. In order to let the current rules of EN 1994-1-1 6.6 (Eq.(2) and (3)) as unchanged as possible, the limits of its suitable field of applicability (Database B1) was investigated thoroughly by means of the statistical procedure of EN 1990 D.8 [7]. The newly proposed equations (Eq. (7) and (8)) apply only to the cases outside these limits (Database B2). In this way, the proposed solution is able to restore the level of safety to its initial value, so that the partial safety factor for the shear connection ϒV=1.25 is adequate. Conversely, the current situation (without including the new design equations) would need a much higher partial safety factor as shown below. [less ▲]

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See detailSynopse der zentralen Ergebnisse
Schumacher, Anette UL; Heinen, Andreas UL; Schembri, Emanuel UL et al

Report (2021)

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See detailWie Jugendliche die Covid-19-Pandemie und die Maßnahmen wahrnehmen
Residori, Caroline UL; Schomaker, Léa UL; Schobel, Magdalena et al

Report (2021)

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See detailTabellenband - Jugendbericht 2020
Residori, Caroline UL; Schembri, Emanuel UL; Bulut, Hamid UL et al

Report (2021)

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See detailKonzeption des Jugendberichtes
Schumacher, Anette UL; Heinen, Andreas UL; Willems, Helmut Erich UL et al

Report (2021)

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See detailThe absolute Gravity Network of Haiti - Status Report 2021
Francis, Olivier UL; Sauveur, Renaldo UL; Beker, Neptune et al

Report (2021)

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See detailTowards A Model-Based Multi- Perspective ValuationMethod for Smart Grid Initiatives: Foundations, OpenIssues, and a Research Outlook
de Kinderen, Sybren; Kaczmarek-Heß, Monika; Ma, Qin UL et al

Report (2021)

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See detailData science meets computational mechanics
Dehghani, Hamidreza UL; Zilian, Andreas UL

Report (2021)

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See detailThe impact of COVID-19 in the migration area (EMN OECD UMBRELLA INFORM)
Sommarribas, Adolfo UL; Sheridan, Anne

Report (2021)

The COVID-19 pandemic has created profound changes in all areas of migration and asylum. EU Member States and OECD countries have made many efforts to keep the pandemic under control, entailing impacts ... [more ▼]

The COVID-19 pandemic has created profound changes in all areas of migration and asylum. EU Member States and OECD countries have made many efforts to keep the pandemic under control, entailing impacts such as border closures, travel restrictions, and the need to introduce sanitary measures. Beginning with the pandemic’s impact on permits and entry conditions, the Inform reports on contingency measures to keep systems operational and to mitigate the impacts on migrants and citizens to the extent possible. For instance, the reduction of in-person immigration related services was largely replaced by electronic or postal communication to ensure continuity in processes. In EU Member States and Norway, the automatic extension of residence permits or the removal of the obligation to leave in some cases, were some of the measures taken to reduce the impact of COVID-19. Most EU Member States provided financial support for migrant workers affected by the pandemic, either due to unemployment or loss of income, and made COVID-19 related healthcare services available to all migrants. Although restrictions were imposed on the admission of migrants, continued admission was granted for jobs deemed essential to meet labour market needs, notably in areas of health, agriculture, and transport. New digital tools have been critical in providing asylum and migration services, although the Inform notes that it has also raised new challenges. In the area of asylum, for instance, providing effective and fair application and appeals processes has become more complicated by having remote interviews, and depends largely on the applicants’ ability to use and access electronic means. Both the requests for asylum and the number of returns carried out have reduced in 2020 as a result of the pandemic. The landscape also changed for international students, where in-person attendance was discouraged if not suspended altogether. Many students returned home, and in some cases, were able to continue their studies remotely, while processes to renew residence permits were moved online. The joint research shows that public authorities have acted swiftly to introduce new measures or adapt their systems to confront the migration challenges caused by the pandemic, or in some cases, to simply continue to use pre-existing on-line systems. While the long-term impacts are hard to predict, the last chapter of the inform looks towards future migration policies and how these might be shaped in the context of the digitalisation of migration management, the need for bio-secure borders, and the expansion of teleworking digital nomads. The European Asylum Support Office (EASO) and the European Border and Coast Guard Agency (FRONTEX) provided inputs to the publication. [less ▲]

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See detailDetention and alternatives to detention in international protection and return procedures in Luxembourg
Sommarribas, Adolfo UL; Petry, Ralph UL; Nienaber, Birte UL

Report (2021)

The main objective of this study of the European Migration Network is to provide objective and reliable information about the usage of detention and alternatives to detention in international protection ... [more ▼]

The main objective of this study of the European Migration Network is to provide objective and reliable information about the usage of detention and alternatives to detention in international protection and return procedures in Luxembourg. Luxembourgish legislation, namely the amended Law of 29 August 2008 on Free Movement of Persons and Immigration (Immigration Law) and the Law of 18 December 2015 on International Protection and Temporary Protection (Asylum Law), foresees three alternatives to detention: - Alternative 1: Reporting obligations, which includes the obligation to surrender a passport, travel document or identity document; - Alternative 2: Home custody (+ electronic monitoring, if necessary); - Alternative 3: Deposition of a financial guarantee of 5.000€. In principle, the assessment between detention or alternatives to detention is made at the same time as when the grounds for detention are considered, as long as the Directorate of Immigration, as the responsible authority, has all the necessary information to decide if an alternative to detention can be ordered. Furthermore, the possibility to impose an alternative to detention is in principle systemically considered, as both relevant laws foresee that the detention decision is ordered in writing by the Minister on the basis of a case-by-case assessment, where necessary and if other less coercive measures cannot be effectively applied. Grounds for detention are generally rejected in favour of an alternative to detention if the person concerned falls within the category of vulnerable groups and if person is able to proof effective guarantees of representation to prevent the risk of absconding. This latter obligation on the third-country national to revert the legal presumption that there is a risk of absconding remains the main challenge because effective guarantees of representation are not defined by law. This is particularly challenging in the context of return procedures, where this legal presumption exists in nearly all cases where a third-country national has no valid identity, travel or residence documents. In the absence of such effective guarantees of representation, the Minister in charge of Immigration and Asylum generally does not make the decision to apply an alternative to detention. Consequently, the research in the context of this study has shown that alternatives to detention are only rarely used in Luxembourg, with the important exception of home custody in the Emergency Housing Structure of Kirchberg (‘Structure d’hébergement d’urgence Kirchberg’ – SHUK). The SHUK serves as a semi-open return facility for applicants for international protection and irregularly staying third-country nationals whose fingerprints have already been registered in Eurodac by another Member State and are therefore likely to be transferred to that Member State, in accordance with the Dublin III Regulation. A placement at the SHUK corresponds to home custody. The rare use of alternatives to detention also results in the fact that there is generally not much data available in this regard, with the important exception of home custody in the SHUK, which is more widely used. [less ▲]

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See detailGesundheit von Schülerinnen und Schülern in Luxemburg - Bericht zur luxemburgischen HBSC-Befragung 2018
Heinz, Andreas UL; Kern, Matthias Robert; van Duin, Claire UL et al

Report (2021)

Der Bericht gibt Auskunft über Gesundheit und Wohlbefinden der Schüler im Jahr 2018 in ihrem sozialen Kontext. Darüber hinaus informiert er, wie sich die entsprechenden Indikatoren von 2006—2018 in ... [more ▼]

Der Bericht gibt Auskunft über Gesundheit und Wohlbefinden der Schüler im Jahr 2018 in ihrem sozialen Kontext. Darüber hinaus informiert er, wie sich die entsprechenden Indikatoren von 2006—2018 in Luxemburg entwickelt haben. Verbesserungen gab es vor allem beim Gesundheitsverhalten — die Schüler rauchen und trinken weniger, sie putzen sich häufiger die Zähne und essen mehr Obst und Gemüse. Verschlechterungen betreffen die mentale Gesundheit: Die Schüler haben häufiger psychosomatische Beschwerden und sie fühlen sich häufiger von der Schularbeit gestresst. Des Weiteren sind die Schüler häufiger übergewichtig und sie sind seltener körperlich aktiv. Der Bericht zeigt auch, dass Gesundheitsrisiken mit soziodemografischen Merkmalen zusammenhängen, wie u. a. dem Geschlecht, dem Alter, dem Wohlstand und dem Migrationshintergrund. So verhalten sich Mädchen zwar häufig gesundheitsbewusster als Jungen, aber dennoch schätzen sie ihren Gesundheitszustand schlechter ein und sie haben mehr Stress und sie sind häufiger von multiplen psychosomatischen Beschwerden betroffen. Aus Clusteranalysen geht hervor, dass es typische Konstellationen von Gesundheitsverhaltensweisen gibt, die zudem mit soziodemografischen Merkmalen sowie Übergewicht, Stress und der Lebenszufriedenheit zusammenhängen. [less ▲]

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See detailUni.lu HPC Annual Report 2020
Varrette, Sébastien UL

Report (2021)

2020 was a challenging year for everyone that will stay in our memory. The pandemic disrupted our economies, societies, and all our best laid-out plans. However, COVID-19 also taught us several lessons ... [more ▼]

2020 was a challenging year for everyone that will stay in our memory. The pandemic disrupted our economies, societies, and all our best laid-out plans. However, COVID-19 also taught us several lessons for the future, in particular the (real) necessity to adapt, to be nimble and to expect the unexpected while supporting cutting-edge excellence in science with the best performing and most flexible tools to unleash research potential. One thing is certain - the strategic developments for accelerated digitalisation and the role that HPC will play to ensure a smarter and more connected University will be in focus in 2021 and the years to come. 2020 was thus a very fruitful and productive year for the ULHPC team which has seen unprecedented changes and challenges. [less ▲]

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See detailOpenMP optimisation of the eXtended Discrete Element Method (XDEM)
Ojeda-May, Pedro; Eriksson, Jerry; Rousset, Alban UL et al

Report (2021)

The eXtended Discrete Element Method (XDEM) is an extension of the regular Discrete Element Method (DEM) which is a software for simulating the dynamics of granular material. XDEM extends the regular DEM ... [more ▼]

The eXtended Discrete Element Method (XDEM) is an extension of the regular Discrete Element Method (DEM) which is a software for simulating the dynamics of granular material. XDEM extends the regular DEM method by adding features where both micro and macroscopic observables can be computed simultaneously by coupling different time and length scales. In this sense XDEM belongs the category of multi-scale/multi-physics applications which can be used in realistic simulations. In this whitepaper, we detail the different optimisations done during the preparatory PRACE project to overcome known bottlenecks in the OpenMP implementation of XDEM. We analysed the Conversion, Dynamic, and the combined Dynamics-Conversion modules with Extrae/Paraver and Intel VTune profiling tools in order to find the most expensive functions. The proposed code modifications improved the performance of XDEM by ~17% for the computational expensive Dynamics-Conversion combined modules (with 48 cores, full node). Our analysis was performed in the Marenostrum 4 (MN4) PRACE infrastructure at Barcelona Supercomputing Center (BSC). [less ▲]

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See detailNOWHERELAND REVISITED IN TIMES OF PANDEMIC 2020
Trummer, Ursula; Novak-Zezula, Sonja; Dauvrin, Marie et al

Report (2021)

Undocumented Migrants (UDM) belong to the most vulnerable groups in times of global emergency situations. COVID-19 does hit hardest the most vulnerable groups and it is important to create an evidence ... [more ▼]

Undocumented Migrants (UDM) belong to the most vulnerable groups in times of global emergency situations. COVID-19 does hit hardest the most vulnerable groups and it is important to create an evidence base to guide policy making. The Center for Health and Migration, Vienna, has initiated a stock-taking of national regulations concerning access to health and social care for UDM. The initiative aims to create a landscape of policy frameworks to inform policy making and practice development. National experts on health and migration are contacted and asked to provide information on the respective legal frameworks in the following categories: work, housing, compulsory education, social welfare, and health. A validated template is used for data collection. [less ▲]

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See detailPrimary and secondary impacts of the COVID-19 pandemic on children in Ghana
Karpati, Julia; Elezaj, Erëblina; Cebotari, Victor UL et al

Report (2021)

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See detailHow Different Electricity Pricing Systems Affect the Energy Trilemma : Assessing Indonesia?s Electricity Market Transition
Heffron, Raphael J.; Körner, Marc-Fabian; Sumarno, Theresia et al

Report (2021)

Many countries have a clear policy objective of increasing their share of renewable energy sources (RESs). However, a major impediment to higher RES penetration often lies in the historically grown ... [more ▼]

Many countries have a clear policy objective of increasing their share of renewable energy sources (RESs). However, a major impediment to higher RES penetration often lies in the historically grown structures of a country’s electricity sector. In Indonesia, policymakers have relied on cheap fossil fuels and state control to provide the population with access to both reliable and affordable electricity. However, this focus on only two of the three horns of the energy trilemma, namely energy security and energy equity (and not sustainability), may put Indonesia at risk of missing its ambitious RES targets. In this context, a number of small- scale reform attempts to promote RES integration in recent years have proved to be relatively unsuccessful. Like many other countries, Indonesia needs clear policy directions to avoid an unsustainable lock-in into a fossil fuel future. In the last decades, several other countries have successfully restructured their electricity sectors, for example by introducing a wholesale market for electricity under different electricity pricing systems, including nodal, zonal, or uniform pricing. These countries may hold valuable experiences of overcoming the historically grown barriers to successful RES integration through a greater role for market mechanisms. This paper develops three generic models that allow policymakers to analyze the impact of introducing either a nodal, a zonal, or a uniform pricing system on the three horns of the energy trilemma in their country. We evaluate our model using a simplified network representation of the Indonesian electricity sector. Our results indicate that each of the pricing systems is able to foster specific horns of the energy trilemma. Considering that any major reform intended to improve energy sustainability in Indonesia will only be a success if it also addresses energy security and energy equity, we also discuss our results from the perspective of energy justice and the need to balance the country’s energy trilemma. Ultimately, we illustrate a transformation pathway for a more sustainable and just transition to a low-carbon economy in Indonesia. [less ▲]

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See detailMaaS4All Project Report
Bandiera, Claudia UL; Cisterna, Carolina UL; Viti, Francesco UL

Report (2021)

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See detailDigital urban development - How large digital corporations shape the field of urban governance (DIGI-GOV)
Carr, Constance UL

Report (2021)

DIGI-GOV is a research project that aims to understand (I) the role of large digital corporations (LDCs) in digital urbandevelopment, (II) how the presence of LDCs in urban planning practice challenge pre ... [more ▼]

DIGI-GOV is a research project that aims to understand (I) the role of large digital corporations (LDCs) in digital urbandevelopment, (II) how the presence of LDCs in urban planning practice challenge pre-existing modes urban governance, and (III) how LDC-led urban development constitutes a new relational geography of digital cities. DIGI-GOV is thus a chance to call attention to this critical shift in the ways that contemporary digital cities are constructed, planned, mediated and governed. DIGI-GOV expands on prior research that examined Alphabet Inc.’s digital city project in Toronto that raised a number of important issues forurban planners, development practitioners, and urban studies scholars – even if this particular digital city project was ultimately unsuccessful. DIGI-GOV expands this research because the range of services that LDCs provide has increased in both volume and centrality; more and more public and private institutions rely on LDCs for essential digital infrastructures. There is an urgent need to study the trajectories of urbanization that are rolled out under the leadership of LDCs and the tensions in urban governance that are unleashed. DIGI-GOV will shed light on four further cities in addition to Toronto, which have been challenged by the presence of LDCs—namely, Seattle, Washington D.C, Bissen, and Eemshaven. The selected cities are some of the few exemplary cases available where LDCs have secured their position in the local urban field. Through qualitative methodological approaches, DIGI-GOV will tease out how these cities are relationally connected through LDC-led urban development, and what scholars and practitioners can learn from these experiences. Examined together, one can scratch at the surface of, and unearth, this new emerging relational geography. [less ▲]

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See detailAcceptance is not acceptance, but acceptance!
van Ryckeghem, Dimitri UL

Report (2021)

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See detailMetaheuristics for the Online Printing Shop Scheduling Problem - Supplementary Material
Tessaro Lunardi, Willian UL; Birgin, Ernesto G.; Ronconi, Débora P. et al

Report (2020)

This document presents further numerical results of the experiments concerning the classical instances of the flexible job shop scheduling problem, performed in (Lunardi et al., Metaheuristics for the ... [more ▼]

This document presents further numerical results of the experiments concerning the classical instances of the flexible job shop scheduling problem, performed in (Lunardi et al., Metaheuristics for the Online Printing Shop Scheduling Problem, submitted). Additionally, this document gathers the best makespan values (upper bounds and lower bounds) found by state-of-the-art algorithms. [less ▲]

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See detailSupporting Families and Children Beyond COVID-19: Social protection in high-income countries
Richardson, Dominic; Carraro, Alessandro; Cebotari, Victor UL et al

Report (2020)

COVID-19 constitutes the greatest crisis that high-income countries have seen in many generations. While many high-income countries experienced the global financial crisis of 2007–2008, or have had ... [more ▼]

COVID-19 constitutes the greatest crisis that high-income countries have seen in many generations. While many high-income countries experienced the global financial crisis of 2007–2008, or have had national recessions, the COVID-19 pandemic is much more than that. COVID-19 is a social and economic crisis, sparked by a protracted health crisis. High-income countries have very limited experience of dealing with health crises, having their health and human services stretched beyond capacity, restricting the travel of their populations or having to close workplaces and schools – let alone experience of all of these things combined. These unique conditions create new and serious challenges for the economies and societies of all high-income countries. As these challenges evolve, children – as dependants – are among those at greatest risk of seeing their living standards fall and their personal well-being decline. This new UNICEF Innocenti report explores how the social and economic impact of the pandemic is likely to affect children; the initial government responses to the crisis; and how future public policies could be optimized to better support children. [less ▲]

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See detailEdge Computing: An Overview of Framework and Applications
Krishnasamy, Ezhilmathi UL; Varrette, Sébastien UL; Mucciardi, Michael

Report (2020)

This report gives an overview of the Edge Computing paradigm and its applications. Indeed, with the advent of the Internet of Things (IoT) era, many electronic devices and sensors produce a vast volume of ... [more ▼]

This report gives an overview of the Edge Computing paradigm and its applications. Indeed, with the advent of the Internet of Things (IoT) era, many electronic devices and sensors produce a vast volume of data which should be processed in a timely manner and this novel computing model is nowadays seen as a pertinent answer to this open challenge. This report thus explains why Edge Computing is needed and how the edge architecture is typically structured. It further presents the technologies that help this cutting-edge model to function properly. Since Edge Computing involves a heterogeneous architecture, it requires to adapt to a few technological recommendations for optimal performance. In this context, this report reviews the latest hardware technology trends tied to Edge Computing developments and points out technical challenges implementing this innovative computing model. In particular, we analyse how High-Performance Computing and CloudComputing infrastructures can be efficiently organised to design an Edge Computing-based framework able to tackle cutting-edge issues solved by Artificial Intelligence techniques. Finally, this report presents selected real-world applications of the Edge Computing paradigm across multiple domains affecting our daily life, i.e., healthcare, smart city and grids, industry 4.0 and public safety [less ▲]

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See detailAccurate, timely, interoperable? Data management in the asylum procedure in Luxembourg
Petry, Ralph UL; Nienaber, Birte UL

Report (2020)

The main objective of this study of the European Migration Network is to provide objective and reliable information about the data management in the asylum procedure in Luxembourg. The Luxembourgish ... [more ▼]

The main objective of this study of the European Migration Network is to provide objective and reliable information about the data management in the asylum procedure in Luxembourg. The Luxembourgish Asylum Law foresees a centralised and streamlined asylum system with one single national authority for registering, lodging and examining applications for international protection, namely the Ministry of Foreign and European Affairs, implemented by the Directorate of Immigration. The Asylum Law clearly distinguishes the phases of making, registering and lodging an application for international protection. In practice, however, the three phases generally occur on the same day or within a few working days if the claim is not directly made to the Directorate of Immigration. Furthermore, the asylum system does not differentiate between the different types of entry routes to Luxembourgish territory. As a consequence, applicants for international protection have a swift access to the asylum procedure once they express their wish to apply for international protection in Luxembourg. In addition to the tracks foreseen in the Recast Asylum Procedures Directive (2013/32/EU), Luxembourg operates a fourth track in the form of the ultra-accelerated procedure, which was introduced in 2017 as a practical acceleration of the accelerated procedure for applicants stemming from safe countries of origin from the Western Balkan countries and Georgia. The study provides an detailed overview of what data is collected from applicants of international protection, at what stage of the procedure this data is collected and by whom, as well as where and how this data is stored. Lastly, the study has shown that, despite the increase of applications since 2015 and a consistent high number of applications since then, the processing times have decreased significantly, in particular since 2017. [less ▲]

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See detailResponses to long-term irregularly staying migrants: practices and challenges in EU Member States and Norway
Sommarribas, Adolfo UL; Hallack, Florence UL; Nienaber, Birte UL

Report (2020)

This study analyses the legal and factual situation in which long-term irregular staying migrants are in Luxembourg.

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See detailPrimary and Secondary Impacts of COVID-19 on Children and Women in Ghana
Karpati, Julia; Elezaj, Erëblina; Safojan, Romina et al

Report (2020)

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See detailQuels seraient les impacts d’une pandémie numérique pour l’armée de Terre (fonctionnement et rôle au sein de la Nation) ?
Fouillet, Thibault UL

Report (2020)

La pandémie numérique est un sujet qui n’a pas fait l’objet d’une véritable documentation. L’occurrence d’un tel phénomène qui dépasserait une simple panne pour intéresser de vastes zones durant une ... [more ▼]

La pandémie numérique est un sujet qui n’a pas fait l’objet d’une véritable documentation. L’occurrence d’un tel phénomène qui dépasserait une simple panne pour intéresser de vastes zones durant une période importante, est souvent considérée comme faible, au point de la négliger voire de la classer arbitrairement dans la catégorie des fantasmes. Mais comme en toute chose, la capacité à anticiper une crise peut faciliter son traitement et accélérer le retour à la normale. En effet, un effondrement localisé et durable de l’internet peut se trouver lié à des causes naturelles spécifiques de grande ampleur, accidentelles du fait de la défaillance d’installations techniques, ou intentionnelles du fait d’actes malveillants terroristes ou de guerre. La robus-tesse du réseau de communication maillé que nous connaissons peut-être mise à défaut par des pannes généralisées d’électricité ou la destruction simultanée de composants électro-niques uniformément répartis dont la fragilité ou la vulnérabilité à des actions spécifiques n’avaient pas été détectées. Les impacts sur la vie de la nation seraient majeurs du fait de la généralisation des applications internet qui pilotent aujourd’hui la presque totalité des réseaux utilisés par les administra-tions, les particuliers ou les industriels. Ainsi, le dysfonctionnement de l’internet aurait un ef-fet domino sur les réseaux de transport d’énergie (électricité, gaz, oléoducs), de transport fer-roviaire et dans une moindre mesure aujourd’hui routière, télécommunications (particuliers, banques…). En conséquence le pays serait frappé d’une certaine paralysie entraînant des dé-sordres importants dictés par les tentatives de survie face aux différents blocages. La situation de 2035 serait encore plus difficile à gérer que celle d’aujourd’hui du fait de la multiplication des objets connectés. Dans ce cadre, les forces armées et l’armée de Terre en particulier peuvent être réquisitionnées pour intervenir et les missions qui en découlent doivent être imaginées dans le cadre d’une démarche générale d’anticipation qui ne vise pas nécessairement le retour à la normale, mais la stabilisation dans un état acceptable dans une logique de résilience. Deux types de missions peuvent être envisagés sous forme de réquisition conformément aux conventions existantes, en utilisant les structures de commandement des zones de défense. D’une part des missions de sécurité civiles permettant dans l’urgence de renforcer le service public en apportant le concours d’hommes et de matériels. D’autre part des missions proprement militaires pour protéger les points d’importance vitale dont les systèmes de sécurité seraient devenus inopérants. Enfin, des missions principalement techniques pour rétablir les moyens de communication en utilisant des réseaux militaires pour une grande part indépen-dants de l’internet. Des enseignements et recommandations viennent conclure la note, en insistant sur l’importance de l’acceptabilité du temps de retour à la normale et notamment du service dégradé qu’il s’agirait de mettre sur pied. Parmi ces enseignements, certains seront dédiés aux évolutions de la réserve pour que celle-ci soit au mieux adaptée à ces missions nouvelles. [less ▲]

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See detailMIGRATION INTERNATIONALE AU LUXEMBOURG Système d’observation permanente des migrations (OCDE)
Sommarribas, Adolfo UL; Nienaber, Birte UL

Report (2020)

Le Luxembourg reste un pays attractif en termes d’immigration ; entre 2018 et 2019, la population du Grand-Duché a augmenté de 2 %. La part de la population luxembourgeoise représente 59,1 % de cette ... [more ▼]

Le Luxembourg reste un pays attractif en termes d’immigration ; entre 2018 et 2019, la population du Grand-Duché a augmenté de 2 %. La part de la population luxembourgeoise représente 59,1 % de cette croissance contre 40,9 % de nationalités étrangères. L’immigration nette reste le principal facteur expliquant l’augmentation de la population. Le solde migratoire est largement positif pour les ressortissants de nationalité étrangère (12 142) alors qu’il est négatif pour les ressortissants luxembourgeois (-1 067). Le deuxième élément explicatif réside dans le solde naturel global positif (1 947). Si ce solde est largement positif chez les ressortissants étrangers, il est négatif chez les Luxembourgeois. Le regroupement familial reste le principal motif d’immigration pour les ressortissants de pays tiers. Ce type de migration devance l’immigration pour motifs économiques et la migration basée sur la recherche d’une protection internationale. Le nombre de personnes sollicitant une protection internationale est resté à un niveau élevé en 2019 avec 2 047 demandes, même si ce nombre constitue une diminution de 7,1 % par rapport à l’année précédente. En 2019, plusieurs évolutions majeures dans le domaine de l’immigration légale sont à noter. Parmi ces évolutions figurent notamment : l’introduction d’un visa de longue durée visant à simplifier l’entrée et le séjour des ressortissants de pays tiers sans devoir solliciter l’obtention d’un titre de séjour, ainsi que l’adoption de quatre lois tendant à clarifier le statut des ressortissants britanniques résidant au Luxembourg. La loi sur l’immigration a connu d’autres modifications importantes dans le domaine de la lutte contre la migration irrégulière et la rétention et le retour des ressortissants de pays tiers sans droit de séjour. La coopération internationale s’est poursuivie en matière de réadmission, comme le montre l’entrée en vigueur du protocole entre les États du Benelux et le gouvernement de la République de Serbie sur la mise en œuvre de l’accord conclu entre l’UE et la République de Serbie concernant la réadmission des personnes en situation de séjour irrégulier. -Ainsi, l’adoption des projets de loi portant approbation des protocoles en matière de réadmission avec l’Arménie et l’Ukraine. Un changement institutionnel significatif a eu lieu en matière de protection internationale : la loi du 4 novembre 2019 portant création de l’Office national de l’accueil (ONA) a opéré le transfert des compétences relatives à l’accueil des demandeurs de protection internationale du Ministère de la Famille, de l’Intégration et à la Grande Région vers le ministère ayant l’Immigration dans ses attributions. Avec l'entrée en vigueur de la loi au 1er janvier 2020, l'ONA s'est substitué à l'Office luxembourgeois de l'accueil et de l'intégration (OLAI) et a été rattaché au Secrétariat général du ministère des Affaires étrangères et européennes. L’intégration demeure une compétence du ministère de la Famille, de l'Intégration et à la Grande Région. Le 1er janvier 2019, la loi sur le revenu d’inclusion sociale (REVIS) est entrée en vigueur. Une des nouvelles dispositions est que tous les bénéficiaires d’une protection internationale âgés de 25 ans ou plus, de même que les membres de leur famille, peuvent bénéficier du REVIS, sans devoir remplir la condition des 5 ans de résidence au Luxembourg au cours des 20 dernières années. L’hébergement des demandeurs de protection internationale (DPI) reste un défi de taille et les taux d’occupation dans les structures d’hébergement de l’ONA continuent à se situer à des niveaux très élevés. Ceci est notamment dû au fait que la crise du logement affecte particulièrement les bénéficiaires de protection internationale (BPI) qui peinent à trouver un logement privé et à se loger en-dehors des structures d’accueil réservées en principe aux DPI. Dans ce contexte l’ONA a poursuivi ses efforts à inciter les communes à promouvoir la mise en place de structures d’hébergement pour DPI ou de possibilités d’hébergement pour BPI. Sur le plan de la lutte contre la traite des êtres humains les structures d’accueil et de consultation ont été élargies en 2019, notamment pour les hommes victimes de traite. Au niveau international, une déclaration d’intention concernant les nouvelles étapes dans leur coopération transfrontalière pour combattre la traite des êtres humains a été signé le 10 décembre 2019 par les pays du Benelux. Sur le plan des politiques d’intégration, les autorités ont continué à mettre en œuvre le Plan d’action national pluriannuel d’intégration à travers des appels à projets. Les actions visant à promouvoir l’intégration au niveau local ont également été renforcées, comme en témoignent la promotion du développement de plans communaux d’intégration et le soutien financier apporté aux communes par les pouvoirs publics. Le débat parlementaire sur le racisme a conduit à l’adoption d’une motion invitant le gouvernement à réaliser une étude sur le racisme et les discriminations au Luxembourg et d’une résolution dans laquelle la Chambre des Députés s'engage à renforcer les moyens du Centre d’Egalite de Traitement (CET). L’année 2020 a été marquée par la crise sanitaire liée à la Covid-19. La crise sanitaire et les mesures mises en place par les gouvernements, ont fortement impacté la mobilité et les migrations. Contrairement à la France, la Belgique et, surtout, l'Allemagne, le Luxembourg n'a jamais fermé ses frontières. Dans ce contexte le Ministère des Affaires étrangères et européennes a été contraint de négocier des accords avec ses homologues des pays voisins afin d’assurer la continuité du travail des frontaliers, notamment pour ceux travaillant dans le secteur de la santé. [less ▲]

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See detailPRACE Best Practice Guide 2020: Modern Processors
Saastad, O. W.; Kapanova, K.; Markov, S. et al

Report (2020)

This Best Practice Guide (BPG) extends the previously developed series of BPGs by providing an update on new technologies and systems for the further support of European High Performance Computing (HPC ... [more ▼]

This Best Practice Guide (BPG) extends the previously developed series of BPGs by providing an update on new technologies and systems for the further support of European High Performance Computing (HPC) user community in achieving a remarkable performance of their large-scale applications. It covers existing systems and aims to provide support for scientists to port, build and run their applications on these systems. While some benchmarking is part of this guide, the results provided are mainly an illustration of the different systems characteristics, and should not be used as guides for the comparison of systems presented nor should be used for system procurement considerations. Procurement and benchmarking are well covered by other PRACE work packages and are out of this BPG's discussion scope. This BPG document has grown to be a hybrid of field guide and a textbook approach. The system and processor coverage provide some relevant technical information for the users who need a deeper knowledge of the system in order to fully utilise the hardware. While the field guide approach provides hints and starting points for porting and building scientific software. For this, a range of compilers, libraries, debuggers, performance analysis tools, etc. are covered. While recommendation for compilers, libraries and flags are covered we acknowledge that there is no magic bullet as all codes are different. Unfortunately there is often no way around the trial and error approach. Some in-depth documentation of the covered processors is provided. This includes some background on the inner workings of the processors considered; the number of threads each core can handle; how these threads are implemented and how these threads (instruction streams) are scheduled onto different execution units within the core. In addition, this guide describes how the vector units with different lengths (256, 512 or in the case of SVE - variable and generally unknown until execution time) are implemented. As most of HPC work up to now has been done in 64 bit floating point the emphasis is on this data type, specially for vectors. In addition to the processor executing units, memory in its many levels of hierarchy is important. The different implementations of Non-Uniform Memory Access (NUMA) are also covered in this BPG. The guide gives a description of the hardware for a selection of relevant processors currently deployed in some PRACE HPC systems. It includes ARM64(Huawei/HiSilicon and Marvell) and x86-64 (AMD and Intel). It provides information on the programming models and development environment as well as information about porting programs. Furthermore it provides sections about strategies on how to analyze and improve the performance of applications. While this guide does not provide an update on all recent processors, some of the previous BPG releases do cover other processor architectures not discussed in this guide (e.g. Power architecture) and should be considered as a staring point for work. This guide aims also to increase the user awareness on energy and power consumption of individual applications by providing some analysis on usefulness of maximum CPU frequency scaling based on the type of application considered (e.g. CPU-bound, memory-bound, etc.). [less ▲]

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See detailLa remontée en puissance à la lumière des vulnérabilités et dépendances industrielles révélées par la crise sanitaire
Fouillet, Thibault UL

Report (2020)

remontée en puissance dépend évidemment du niveau de puissance ambitionné et des délais imposés pour y parvenir. Le niveau retenu extrapolé du contrat opérationnel, de la LPM et des différentes ... [more ▼]

remontée en puissance dépend évidemment du niveau de puissance ambitionné et des délais imposés pour y parvenir. Le niveau retenu extrapolé du contrat opérationnel, de la LPM et des différentes déclarations officielles est une force adaptée à la haute intensité au modèle complet. Cette force dont l’ossature est constituée par une division interarmes et interalliés OTAN, dispose de la capacité d’entrer en premier dans un cadre non permissif (outrepassant la capacité A2AD adverse). Disposant d’une capacité de commandement de niveau corps d’armée elle engerbe, outre 2 brigades terrestres nationales, des forces alliées et doit permettre à la France d’assurer les responsabilités de nation cadre. La réalisation par la BISD de cette capacité nationale compte tenu de l’état actuel des forces, des parcs, et des dépôts, dépend évidemment des délais accordés pour cette remontée en puissance. La remontée en puissance dans l’urgence sous la pression d’évènements extérieurs périlleux permettrait dans le court terme d’ici à 2025 de satisfaire les besoins exprimés par la LPM sans laisser de place à l’innovation, mais en optimisant les réparations de matériels existants ainsi que l’augmentation de leurs volumes tout en acceptant des lacunes qui ne pourraient être comblées que par le concours d’éléments spécialisés américains, en particulier dans les domaines C4ISR et de la défense contre les tirs indirects et les forces aériennes ennemies. La remontée en puissance progressive pour sa part, envisagée à horizon 2030, permet de mieux tirer parti des innovations apportées en particulier par le système scorpion et certains armements en cours de développement (munitions de précisions, capacités drones…). Toutefois même dans cette logique certaines capacités négligées demeureraient incomplètes du fait d’abandons capacitaires industriels (défense sol-air terrestre notamment), et pourraient souffrir à l’avenir d’une capacité industrielle fragilisée par la crise sanitaire. En vue de combler ces manques, deux voies de renforcement de la BISD ont été envisagées : une vision nationale et une vision européenne. Si dans la plupart des cas la voie nationale apparaît comme pertinente notamment afin de garantir une capacité de production même en cas de crise mondiale ; lorsqu’il s’agit de capacités globales à recréer (C-RAM) ou de hautes technologies, une mutualisation de la R&D et des coûts au niveau européen apparaît comme plus adéquate. Dans tous les cas, le développement de capacités dimensionnantes ne peut s’inscrire que dans le temps long, selon un horizon 2040 voire 2050, dépassant de loin l’ambition de remontée en puissance décrite dans cette note, et impliquant entre temps la poursuite d’une dépendance aux capacités américaines déployées en coalition dans le cadre d’opérations de haute intensité. Fort de ces éléments un ensemble de recommandations tant pour la BISD que pour l’armée de Terre a pu être formulé (dont le détail est disponible au § 3.2) qui peut se résumer selon deux priorités :  À court terme : déterminer une structure de pilotage permettant de certifier la prise en compte des besoins de l’armée de Terre dans la relance générale de l’économie des industries de défense.  À moyen terme : assurer la remontée en puissance de l’armée de Terre en accélérant la mise en oeuvre des programmes futurs des forces terrestres (en particulier le segment lourd) pour prévoir sur le long terme les besoins opérationnels et les intégrer dans la prochaine LPM. L’enjeu étant de pouvoir anticiper à plus long terme les coopérations européennes structurantes et les dépendances critiques aux forces américaines (ainsi que les voies éventuelles pour les atténuer). [less ▲]

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See detailDeep Learning to Predict the Feasibility of Priority-Based Ethernet Network Configurations
Mai, Tieu Long UL; Navet, Nicolas UL

Report (2020)

This study is a contribution towards leveraging deep learning to further automate the design of communication architectures used in critical systems and, ultimately, design systems that are more efficient ... [more ▼]

This study is a contribution towards leveraging deep learning to further automate the design of communication architectures used in critical systems and, ultimately, design systems that are more efficient in terms of resource usage. Two well identified use-cases of deep-learning, and AI at large, in the design of critical systems are 1) fast prediction techniques that can replace, at some stages of the design, exact approaches, and 2) technology-agnostic configuration algorithms, {\it i.e.} algorithms not relying on extensive domain knowledge. This paper contributes to the first use-case and presents what is, to the best of our knowledge, the first deep learning model for feasibility prediction of real-time Ethernet networks. Machine learning has been recently applied in real-time systems to predict whether Ethernet network configurations are feasible in terms of meeting deadline constraints without executing conventional schedulability analysis. However, the existing prediction techniques require domain expertise to choose the relevant input features and may perform poorly when topologies or traffic patterns differ significantly from the ones in the training data. To overcome these problems, we propose a Graph Neural Network (GNN) prediction model that synthesizes relevant features directly from the raw data. This deep learning model possesses the ability to exploit relations among flows, links, and queues in switched Ethernet networks, and, over the 13 testing sets used in this work, has proven an ability to generalize beyond the training data that is significantly superior to traditional ML algorithms. We also explore the use of ensembles of GNNs and show that it enhances the robustness of the predictions. An evaluation on heterogeneous testing sets comprising actual automotive networks, shows that ensembles of 32 GNN models features a prediction accuracy ranging from 79.3% to 90% for Ethernet networks using priorities as the Quality-of-Service mechanism. The use of ensemble models provides a speedup factor ranging from 77 to 1715 compared to schedulability analysis. Such speed-up factors unlock new possibilities for design-space exploration and the development of near-interactive design tools. A practical advantage of our model is that it automates the feature engineering process, and does not require domain expertise. In that regard, the model could potentially be efficient in other areas of real-time computing. [less ▲]

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See detailSupporting Families and Children Beyond COVID-19: Social protection in Southern and Eastern Europe and Central Asia
Richardson, Dominic; Cebotari, Victor UL; Carraro, Alessandro et al

Report (2020)

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See detailThe Wealth of Families: The Intergenerational Transmission of Wealth in Britain in Comparative Perspective
Nolan, Brian; Palomino, Juan; van Kerm, Philippe UL et al

Report (2020)

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See detailLe statut de résident de longue durée dans l'UE
Petry, Ralph UL; Sommarribas, Adolfo UL

Report (2020)

Les ressortissants de pays tiers migrent vers l’Union européenne pour différentes raisons : raisons économiques, raisons familiales, pour suivre des études ou pour obtenir une protection internationale ... [more ▼]

Les ressortissants de pays tiers migrent vers l’Union européenne pour différentes raisons : raisons économiques, raisons familiales, pour suivre des études ou pour obtenir une protection internationale. Certaines de ces personnes restent sur le territoire des États membres de nombreuses années, et tissent des liens avec l’État membre concerné. C’est pourquoi l’intégration des ressortissants de pays tiers résidents de longue durée dans les États membres est considérée comme un élément clé pour promouvoir la cohésion économique et sociale au sein de l’Union européenne. L’un des premiers textes législatifs adoptés par l’UE en matière d’immigration vers l’Union européenne a été la directive 2003/109/CE du Conseil du 25 novembre 2003 relative au statut des ressortissants de pays tiers résidents de longue durée (ci-après la « directive »). Bien que la directive soit entrée en vigueur le 23 janvier 2006, sa mise en œuvre par les États membres n’a pas été uniforme. C’est la raison pour laquelle l’EMN Luxembourg a décidé, à la demande des autorités luxembourgeoises, de lancer une étude sur ce sujet par l’intermédiaire du Réseau européen des migrations. Comme il était nécessaire de procéder à une évaluation adéquate de la mise en œuvre de la directive, le comité directeur du REM a mandaté, le 21 octobre 2019, l’EMN Luxembourg de recueillir des informations via le mécanisme des questions ad-hoc du REM afin d’établir l’état des lieux de la mise en œuvre de la directive. Les informations nécessaires à l’élaboration de la présente note de synthèse ont été recueillies par le biais de quatre questions ad-hoc du REM portant sur des aspects spécifiques du statut de résident de longue durée (ci-après le « statut RLD ») dans l’UE. [less ▲]

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See detailCoronavirus pandemic in the EU – Fundamental Rights Implications in Luxembourg -July2020
Vukovich, Lilla UL; Vysotskaya, Volha UL; Nienaber, Birte UL

Report (2020)

The state of emergency which was declared for three months in Luxembourg came to its end on 24 June 2020. After three weeks of intense legislative work, on 22 June 2020 the parliament adopted two “COVID ... [more ▼]

The state of emergency which was declared for three months in Luxembourg came to its end on 24 June 2020. After three weeks of intense legislative work, on 22 June 2020 the parliament adopted two “COVID-19 laws” to provide a continuous legislative framework addressing the COVID-19 situation after the end of the state of emergency. The first piece of legislation contains measures with respect to individuals. They revolve around the limitation of mass gatherings, the application of protective measures such as wearing face masks or social distancing, and the identification, follow-up and removal of infected and potentially infected people. The second piece of legislation targets measures relating to economic, sporting or cultural activities and welcoming the public. It reinforces the current health restrictions and rules, for example in restaurants, bars, and cafes. [less ▲]

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See detailLong-term resident status in the EU
Petry, Ralph UL; Sommarribas, Adolfo UL

Report (2020)

Third-country nationals migrate to the European Union for different reasons: economic migration, family reasons, studies, or in search of international protection. Some of these individuals stay in the ... [more ▼]

Third-country nationals migrate to the European Union for different reasons: economic migration, family reasons, studies, or in search of international protection. Some of these individuals stay in the territory of the Member States for a considerable number of years and develop attachments to the Member State. For this reason, integration of third-country nationals who are long-term residents in the Member States is considered as a key element in promoting economic and social cohesion in the European Union. One of the first pieces of EU legislation that was adopted dealing with immigration to the European Union was the Council Directive 2003/109/EC of 25 November 2003 concerning the status of third-country nationals who are long-term residents. While the Directive entered into force on 23 January 2006, the implementation of the Directive by Member States had not been uniform. This is the reason why EMN Luxembourg decided, at the request of the Luxembourgish authorities, to launch a study on this topic through the European Migration Network. As it was necessary to make a proper assessment of the implementation of the Directive, it was decided by the EMN Steering Board on 21 October 2019 that EMN Luxembourg would collect information through the EMN Ad-Hoc Query mechanism to establish the set out a state of play of the implementation of the Directive. The information for elaborating this Inform was collected through four EMN Ad-hoc queries highlighting specific elements of the long-term resident status in the EU. [less ▲]

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See detailLe bilan de l'évaluation systémique de l'éducation a Luxembourg
Hoffmann, Danielle UL; Schmit, Paul; Ugen, Sonja UL

Report (2020)

Dans le domaine de l'éducation, le Luxembourg participe depuis 20 ans régulièrement à des études d’évaluation systémique, menées à l’échelle nationale et internationale, afin de pouvoir fonder ses ... [more ▼]

Dans le domaine de l'éducation, le Luxembourg participe depuis 20 ans régulièrement à des études d’évaluation systémique, menées à l’échelle nationale et internationale, afin de pouvoir fonder ses décisions politiques sur des données empiriques solides. La présente rétrospective comprend une vue d’ensemble des types de données et de rapports disponibles sur le Luxembourg ainsi que de leurs principaux constats transversaux (chapitre 2). La publication des résultats des premières études PISA menées au début des années 2000 (MENFP & SCRIPT, 2000, 2004) avait entraîné un choc, car le pays et les parties prenantes avaient été confrontés à un ranking mitigé concernant la performance du système scolaire luxembourgeois, comparée aux autres pays participants. Les principaux constats ont été corroborés de manière cohérente dans d’autres études également (p.ex. ICCS en 2009, ICILS en 2018). Des performances faibles généralisées ont été rapportées dans tous les domaines évalués. Les caractéristiques des élèves (contexte socio-économique, migratoire et linguistique) ont un effet important sur leur performance dans le système scolaire luxembourgeois. L’équité en matière de réussite scolaire est jugée faible et constitue un véritable défi. Ces constats relatifs à l’importance des caractéristiques des élèves dans leur réussite n’étaient pas tout à fait nouveaux, car ils avaient déjà été documentés, dans les grandes lignes, dans le cadre de l’étude Magrip de 1968 (Brunner & Martin, 2011; Kerger & Schrobildgen, 1986). En revanche, ce qui est surprenant, c’est que, d’une part, ces constats ont peu évolué au fil des différents cycles d’évaluation et que, d’autre part, les facteurs déterminants menant à ces résultats se sont encore renforcés au fil du temps. Ainsi, depuis leur introduction en 2009, les épreuves standardisées (« ÉpStan »), le programme de monitoring scolaire continu adapté au système scolaire luxembourgeois, ont confirmé les défis inhérents. Les principaux constats des évaluations systémiques effectuées au cours de ces 20 dernières années ont permis d’identifier 8 domaines thématiques prioritaires sur lesquels l'Observatoire national de la qualité scolaire (ONQS) désire concentrer son action au cours des années à venir (chapitre 3). En vue d’une mise en perspective internationale, les approches de plusieurs pays sont présentées, afin de recenser des constats partagés et des enseignements à tirer. Toutefois, les limites d’un tel exercice de comparaison sont également examinées, car le contexte socio-culturel et socio-politique spécifique à un pays détermine, de manière considérable, le choix et le développement du modèle éducatif national (chapitre 4). L’utilisation des évaluations systémiques ainsi que l’impact de celles-ci sur la définition de la politique éducative sont analysés sur ces 20 dernières années. Le rôle du monitoring scolaire présente deux différences importantes sur la période examinée. Ainsi, au cours de la première décennie étudiée, les évaluations systémiques avaient servi d’éléments déclencheurs pour motiver une politique volontariste de réformes. Ensuite, au cours de la seconde décennie étudiée, la stratégie a mué, pour diverses raisons, vers des axes de développement ayant guidé et structuré des actions de réforme plus ciblées, mais de moindre envergure (chapitre 5). L’ONQS conclut le présent rapport en formulant trois recommandations, fondées sur le bilan des évaluations systémiques auxquelles a participé le Luxembourg, adressées aux acteurs politiques, sur base de l’article 4 de la loi du 13 mars 2018 (chapitre 6). [less ▲]

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See detailPraxistagebücher aus der Sozialen Arbeit in Zeiten von Covid-19 – Möglichkeiten, Herausforderungen und Grenzen der digitalen Kommunikation
Flammang, Manou Laure UL; Böwen, Petra UL

Report (2020)

In this publication, representatives from 8 different practical fields of social work describe how communication and interaction with their target groups changed during the confinement measures due to ... [more ▼]

In this publication, representatives from 8 different practical fields of social work describe how communication and interaction with their target groups changed during the confinement measures due to Covid-19 and how they deal with this exceptional situation. The focus is on digital communication with the addressees. The publication is rounded off by a comprehensive analysis of the practice diaries and considerations for the future of digitisation in social work. It contains contributions in German and in French. [less ▲]

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See detailRapport RIAL 2019
Bernard Gottlieb; Meyers, Christian UL

Report (2020)

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See detailQUALINET White Paper on Definitions of Immersive Media Experience (IMEx)
Perkis, Andrew; Timmerer, Christian; Baraković, Sabina et al

Report (2020)

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See detailAttracting and Protecting Seasonal Workers from third countries in the EU
Sommarribas, Adolfo UL; Rozenberga, Zane UL; Nienaber, Birte UL

Report (2020)

For almost 150 years, Luxembourg depends on two kinds of migration, qualified and non-qualified, in order to deal with the workforce needs of its economy. Compared to other EU Member States, Luxembourg is ... [more ▼]

For almost 150 years, Luxembourg depends on two kinds of migration, qualified and non-qualified, in order to deal with the workforce needs of its economy. Compared to other EU Member States, Luxembourg is a country with the largest proportion of foreigners; however, this foreign population is mainly composed of EU citizens. In Luxembourg, 296.500 residents (47,4%) of a total population of 626.100 are foreigners. 247.900 are EU citizens representing 39.6% of the total population of the country and 83,6% of the foreign population of the country. The 48.600 third-country nationals represent only 7,8% of the total population and 16.4% of the foreign population. Due to its size and geographic location, Luxembourg has an access to a very particular form of economic migration: cross-border workers. Globalisation has also played a decisive role in the development of economic migration for the Luxembourgish labour market. The financial center was obliged to become highly specialised in order to remain competitive in regards to other financial centers and to maintain its volume of business. In order to maintain its competitive advantage, Luxembourg needs highly skilled personnel, which, up until now, the country has found within the Greater Region. With regards to the labour market: the number of salaried workers on 31 December 2019 shows that Luxembourgish residents represented only 26,5%, EU citizens (other than Luxembourgish) 23,4% and third-country national residents only 4,2%. Cross-border workers from Belgium, France and Germany represented 46% of the workforce. The Luxembourgish labour market is not a national labour market but rather a labour market of the Greater Region with a trend to become an international labour market. This situation can be explained in the context of the free movement of services and the posted workers coming from other Member States to Luxembourg. The need of workforce must be placed in this particular context, taking into account the “internal reserves”, the free movement of persons from which EU citizens, who reside in the country, benefit and the large majority of cross-border workers. To this framework one must add a range of measures that were introduced by the Luxembourgish authorities in order to regulate the labour market. Some of these measures did not have labour market needs as their only objective, but were also foreseen to manage integration processes. The attitude of the successive governments was to adapt immigration to the economic needs of the country. The government policy intends to implement an economic diversification policy, focused on attracting high added value activities such as ICT, health technologies, space, logistics, industry and FinTech. In consequence and taking into consideration the specificities of Luxembourg’s labour market, third-country national seasonal workers are not a priority of the Luxembourgish government. [less ▲]

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See detailANNUAL REPORT ON MIGRATION AND ASYLUM Luxembourg 2019
Sommarribas, Adolfo UL; Hallack, Florence UL; Rozenberga, Zane UL et al

Report (2020)

The present report provides an overview of the main developments and debates in relation to migration and asylum in Luxembourg in 2019. Luxembourg remains an important country of immigration, as evidenced ... [more ▼]

The present report provides an overview of the main developments and debates in relation to migration and asylum in Luxembourg in 2019. Luxembourg remains an important country of immigration, as evidenced by the figures on net migration, which remains the main reason for the demographic growth of the Luxembourgish resident population. Net immigration of third-country nationals remains high (7 336) and exceeds that of citizens of the European Union (EU; 4 806). The number of people applying for international protection remained high in 2019 (2 047 applications) compared to the levels registered pre-‘migration crisis’ (1 091 in 2014). Family reunification remains the principal reason for third-country nationals to immigrate to Luxembourg, followed by economic reasons and international protection. Several major developments occurred in the field of legal migration. The introduction of a new long-term visa simplifies the entry and stay of third-country nationals for a period of up to one year, without having to apply for a residence permit. In order to guarantee the rights of British citizens working and residing in Luxembourg before the withdrawal of the United Kingdom (UK) from the EU (Brexit) four laws were adopted, most of them were supposed to enter into force if there was a non-deal Brexit. Other important changes related to migration result from the adoption of the law of 4 December 2019 amending the law of 29 August 2009 on the free movement of persons and immigration (hereinafter Immigration Law). This law takes into account the expert’s comments during the evaluation in 2016 of the application of Schengen. [less ▲]

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See detailVarieties of Democracy (V-DEM) Report "Autocratization Surges - Resistance Grows" (2020)
Danescu, Elena UL

Report (2020)

Main findings 2020. Autocratization – the decline of democratic traits – accelerates in the world: for the first time since 2001, autocracies are in the majority: 92 countries – home to 54% of the global ... [more ▼]

Main findings 2020. Autocratization – the decline of democratic traits – accelerates in the world: for the first time since 2001, autocracies are in the majority: 92 countries – home to 54% of the global population. Almost 35% of the world’s population live in autocratizing nations – 2.6 billion people. EU has its first non-democracy as a member: Hungary is now classed as an electoral authoritarian regime. Major G20 nations and all regions of the world are part of the “third wave of autocratization”: autocratization is affecting Brazil, India, the United States of America, and Turkey, which are major economies with sizeable populations, exercising substantial global military, economic, and political influence. Latin America is back to a level last recorded in the early 1990s while Eastern Europe and Central Asia are at post-Soviet Union lows. India is on the verge of losing its status as a democracy due to the severely shrinking of space for the media, civil society, and the opposition under Prime Minister Modi’s government. Pro-democracy resistance grows from 27% in 2009 to 44% in 2019 amidst the autocratization surge. During 2019, citizens in 29 democracies mobilized against autocratization, such as in Bolivia, Poland, and Malawi. Citizens staged mass protests in 34 autocracies, among them Algeria, Hong Kong, and Sudan. [less ▲]

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See detailHOW DO EU MEMBER STATES TREAT CASES OF MISSING UNACCOMPANIED MINORS?
Sommarribas, Adolfo UL

Report (2020)

The phenomenon of migrant children going missing has recently received increased attention from the media in several Member States and the European Parliament. The debate focusses on unaccompanied minors ... [more ▼]

The phenomenon of migrant children going missing has recently received increased attention from the media in several Member States and the European Parliament. The debate focusses on unaccompanied minors who go missing. There is concern that the disappearance of unaccompanied minors is not addressed yet in an effective manner, as reflected in several recent publications by international organisations2 and European NGOs. In response to this concern, the EMN, at the request of the European Commission, has mapped how cases of unaccompanied children going missing are being treated in the Member States, and respectively, how data on missing children is collected. NGOs have been asked to reflect on the outcomes of this mapping exercise. [less ▲]

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See detailExiste-t-il une approche sociologique permettant de mieux recruter pour mieux fidéliser ?
Fouillet, Thibault UL

Report (2020)

En préambule de la réflexion, il importe de noter que ces préoccupations (recrutement/fidélisation) ne sont pas spécifiques à l’armée de Terre française. La plupart des armées occidentales – mais pas ... [more ▼]

En préambule de la réflexion, il importe de noter que ces préoccupations (recrutement/fidélisation) ne sont pas spécifiques à l’armée de Terre française. La plupart des armées occidentales – mais pas seulement – connaissent des difficultés de recrutement et de fidélisation, malgré les différences de méthodes de gestion des ressources humaines, et les différences d’emploi des forces armées. La situation est critique dans l’armée de Terre britannique. Devant les difficultés de recrutement, l’US Army réforme complètement sa gestion du personnel ainsi que ses méthodes de recrutement. L’armée de Terre, malgré ses inquiétudes légitimes, se trouve dans une situation raisonnablement favorable comparée à ses homologues. Son image en tant qu’employeur a cependant été brouillée depuis une dizaine d’années, entre les difficultés dues au logiciel Louvois, les annonces de réductions de personnels, les communications sur la vétusté des matériels et le manque de moyens… Il importe donc de restaurer, sur le moyen terme, l’image d’une institution solide, aux valeurs affirmées et qui prend soin de ses hommes, même après leur départ. Cela implique de personnaliser la communication, de favoriser l’identification de chacun à des soldats soit par la rencontre directe, soit en racontant leur histoire. Un discours « à hauteur d’homme », favorisant le contact direct, mobilisant l’imaginaire autour de l’esprit guerrier, incite ainsi les jeunes recrues à s’identifier à une institution prestigieuse, à l’histoire riche. Une réflexion sur l’élargissement du vivier de recrutement pourrait être engagée sur plusieurs points en cas de besoin : élargissement géographique à certains pays, élargissement du critère d’âge, ou encore modulation des critères sportifs et médicaux pour certaines spécialités sous tension seulement, lorsque cela est compatible avec les nécessités du service. La démarche de recrutement pourrait être affinée, soit en ciblant de façon très précise certains bassins ou certaines filières, soit en renforçant la possibilité pour les régiments de recruter eux-mêmes, avec une communication personnalisée. La fidélisation est en revanche insatisfaisante. Plusieurs explications sont en concurrence, mais aucune ne se dégage vraiment. En l’absence d’études sociologiques poussées, on peine à saisir les raisons profondes des départs anticipés ou des non-renouvellements de contrats. Pour mieux comprendre les expériences des militaires du rang et des sous-officiers, en particulier, des études sociologiques de terrain sur un temps long seraient nécessaires. Il existe néanmoins de nombreuses études, menées par différents organismes (HCECM, EMAT, IDA, CAA…) mais il manque un échelon de synthèse pour agréger ces données et pouvoir faire des corrélations. Pour l’armée de Terre, la création d’un esprit de corps dès le départ est une condition favorisant l’attachement à l’institution. Dans cette optique, le CFIM pourrait être repensé, afin de créer un récit d’initiation fort favorisant l’esprit de corps et dissuadant les moins motivés. Dans la même veine, la poursuite des efforts engagés sur les marqueurs identitaires de l’institution (« esprit guerrier », traditions) ne peut que renforcer le capital symbolique de l’armée française. La possibilité d’évoluer tout au long de sa carrière et de se former doit permettre de maintenir l’intérêt des personnels pour leur métier. Il importe donc de poursuivre les efforts déjà entrepris sur la flexibilité des parcours, ainsi que de réfléchir, notamment pour les militaires du rang et les sous-officiers, à la possibilité de parcours valorisants pour chaque spécialité, par exemple en offrant la possibilité de faire une formation longue dans le civil ou encore en alternant les allers-retours entre les industries de défense et l’armée, par le biais de filières de formation communes. Enfin, il est possible de mieux impliquer les réserves sur les questions de recrutement, tant à des fins de rayonnement que pour favoriser une meilleure connaissance des armées. [less ▲]

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See detailDraft prEN 1994-1-1: 042020 + comments, Document
Schäfer, Markus UL; Hicks, Stephen; Banfi, Mike et al

Report (2020)

Development of second generation for Eurocode 4, part 1: prEN 1994-1-1: April 2020

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See detailCountry study - Coronavirus COVID-19 outbreak in the EU - Fundamental Rights Implications - Luxembourg
Vysotskaya, Volha UL; Vukovich, Lilla UL; Nienaber, Birte UL

Report (2020)

The report intends to cover the possible impacts of the outbreak of the virus on fundamental rights and freedoms within the Grand Duchy. This includes impacts of quarantine measures, issues concerning ... [more ▼]

The report intends to cover the possible impacts of the outbreak of the virus on fundamental rights and freedoms within the Grand Duchy. This includes impacts of quarantine measures, issues concerning pharmaceutical supplies and testing, situation of employees and families in this specific situation, as well as several other socio-political concerns. [less ▲]

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See detailSuicidal Behaviour in Youth in Luxembourg - Findings from the HBSC 2014 Luxembourg Study
Catunda, Carolina UL; van Duin, Claire UL; Heinz, Andreas UL et al

Report (2020)

Suicide is one of the leading causes of death among young people worldwide. In order to prevent suicides, early identification of groups at risk is needed. In the Luxembourgish HBSC study, data on ... [more ▼]

Suicide is one of the leading causes of death among young people worldwide. In order to prevent suicides, early identification of groups at risk is needed. In the Luxembourgish HBSC study, data on suicidal behaviours among adolescents were collected in 2006, 2010 and 2014. These can be used to identify suicide risk factors and to develop comprehensive suicide prevention programs. In Luxembourg, the suicide rate has fluctuated around 15 deaths per 100 000 inhabitants per year, for more than ten years. In the period 2006 – 2016, 20 deaths were registered as suicide in the age group of 10 to 19-year-olds. These suicides represent approximately 19% of all deaths registered in this age group. In the Luxembourgish HBSC study conducted in 2014, 875 adolescents indicated to have contemplated suicide in the last 12 months, which amounts to 15.1% of the adolescents in the study. In the same year, 811 adolescents (14.0%) indicated to have made a suicide plan in the last 12 months, and 448 adolescents (7.7%) to have attempted suicide (at least once) in the last year. In first instance, bivariate logistic regressions analyses were conducted for 24 independent variables with three suicidal behaviours (contemplation of suicide, planning of suicide and suicide attempt) and sadness as dependent variables in order to identify potential risk factors. These risk factors were further tested in multivariate logistic regressions, in order to make a statement about the relevance of these factors for suicidal behaviour of adolescents in Luxembourg, while taking into account the dependence between the risk factors. Results from multivariate logistic regressions indicate that subjective health complaints are the most important risk factor for suicidal behaviour. Adolescents who have recurrent multiple health complaints are at higher risk for suicidal behaviour than adolescents who do not have health complaints. Life satisfaction is the second most important risk factor for suicidal behaviour. Adolescents with lower levels of life satisfaction are at higher risk for suicidal behaviour than adolescents who have higher levels of life satisfaction. Gender-specific analyses show that the risk factors differ between girls and boys for suicidal behaviour. [less ▲]

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See detailTrends from 2006-2018 in Health, Health Behaviour, Health Outcomes and Social Context of Adolescents in Luxembourg
Heinz, Andreas UL; van Duin, Claire UL; Kern, Matthias Robert UL et al

Report (2020)

This report shows how 30 health indicators developed in the four Luxembourg HBSC surveys conducted in 2006, 2010, 2014 and 2018. There were positive trends especially in the health behaviour of the pupils ... [more ▼]

This report shows how 30 health indicators developed in the four Luxembourg HBSC surveys conducted in 2006, 2010, 2014 and 2018. There were positive trends especially in the health behaviour of the pupils: they smoke less and drink less alcohol. They also report more frequently that they brush their teeth regularly, eat more fruit and fewer sweets and consume fewer soft drinks. From 2006-2018, however, there were also deteriorations. For example, more pupils feel stressed from school and rate the climate among classmates worse. In addition, there are more pupils who are overweight and exercise less and more pupils report having psychosomatic health complaints. [less ▲]

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See detailNetzWerk 3
Böwen, Petra UL; Flammang, Manou Laure UL

Report (2020)

"NetzWerk- Wissenschaft trifft Praxis, Politik und Oeffentlichkeit" ist eine regelmäßig ersccheinende Publikation und dokumentiert die vielfältigen Angebote des PraxisBüros der uni.lu. Das PraxisBüro- die ... [more ▼]

"NetzWerk- Wissenschaft trifft Praxis, Politik und Oeffentlichkeit" ist eine regelmäßig ersccheinende Publikation und dokumentiert die vielfältigen Angebote des PraxisBüros der uni.lu. Das PraxisBüro- die nationale Plattform der Sozialen Arbeit in Luxemburg- bietet allen Akteuren Vernetzung, Austausch, Veranstaltungen und Informationen aus Luxemburg und der Großregion. Das Schwerpunktthema dieser Ausgabe: "Soziale Arbeit und Digitalisierung"; der Praxis- und Kontakttag am 24.10.2019 [less ▲]

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See detailLes systèmes automatisés vont-ils redéfinir la nature du combat terrestre ?
Fouillet, Thibault UL

Report (2020)

L’analyse des doctrines des grandes puissances étrangères confirme une tendance à la massification des systèmes automatisés (SA) et une progressive autonomisation de leurs capacités aussi bien létales que ... [more ▼]

L’analyse des doctrines des grandes puissances étrangères confirme une tendance à la massification des systèmes automatisés (SA) et une progressive autonomisation de leurs capacités aussi bien létales que non létales. A cet égard, les principales puissances, USA, Chine, Russie, Israël, préparent le déploiement de Systèmes d’Armes Autonomes Létaux (SALA) sous supervision humaine, à la différence d’autres Etats comme la France et le Canada qui refusent de déshumaniser le combat. Ce phénomène appelé à se développer du fait des progrès techniques et informatiques, pourrait connaître une accélération avec la maîtrise de l’intelligence artificielle et les progrès de miniaturisation. Cette prolifération pouvant se faire de manière discrète puisque la composition des SALA n’implique pas, pour une majeure partie, de composants soumis à un contrôle de la communauté internationale. Cette menace impacte notablement la plupart des huit facteurs de supériorité opérationnelle retenus par l’armée de Terre, sensibles à l’apparition de nouveaux moyens automatiques et autonomes, et doit conduire les forces à évoluer en termes capacitaires (Doctrine, Organisation, R-H, Entrainement, Soutien, Equipement). Il s’agit ainsi, de moderniser progressivement les forces terrestres françaises par l’introduction de systèmes d’armes automatiques et adaptés à la lutte contre les SALA en assurant leur compatibilité avec les moyens existants, en particulier le système infovalorisé SCORPION. Pour garantir l’efficacité des forces aéroterrestres, il faut savoir tirer le meilleur parti des modules et plateformes automatiques, tout en préservant la place centrale de l’Homme. Cet impératif nécessitera d’accorder une attention particulière, au rythme d’introduction des systèmes autonomes dans les forces, au type de missions qui leurs sont confiées et à la relation Homme/Machine, par le développement de systèmes préservant la cohérence de l’action malgré une automatisation progressive de leurs fonctions. Toutefois, il ne faudrait pas que le respect de principes éthiques empêche d’anticiper les risques constitués par le déploiement de SALA par l’adversaire. Dans cette perspective, la protection de la force avec des moyens adaptés constitue un autre impératif, tout aussi important. En effet, l’introduction de systèmes létaux autonomes en masse par un adversaire pourrait faire notablement évoluer la nature du combat. Une force ennemie ainsi dotée de très nombreux SALA, agissant au sol et près du sol, pourrait tirer parti au cours d’un engagement d’un effet de saturation et de relative insensibilité aux pertes matérielles en privilégiant la brutalité à la manœuvre. [less ▲]

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See detailStatelessness in the EU
Sommarribas, Adolfo UL

Report (2020)

Statelessness is a global phenomenon which is also present in the European Union. At the end of 2018, UNHCR estimated the total number of stateless persons in the European Union plus Norway at 399 283 ... [more ▼]

Statelessness is a global phenomenon which is also present in the European Union. At the end of 2018, UNHCR estimated the total number of stateless persons in the European Union plus Norway at 399 283 individuals. This includes both stateless individuals and persons of undetermined nationality. UNHCR and UNICEF also estimate that, in 2017, there were 2 100 children registered stateless in Europe, a fourfold increase since 2010. Article 1 of the 1954 Convention Relating to the Status of Stateless Persons defines a stateless person as ‘a person who is not considered as a national by any State under the operation of its law’. Statelessness is a legal anomaly, which can prevent those concerned from accessing fundamental human, civil, political, economic, social and cultural rights. As a result, such persons often live in conditions of protracted marginalisation and discrimination, facing numerous difficulties, such as the inability to receive medical assistance, enrol in educational programmes, acquire property, obtain legal employment, marry or open a bank account. Even though statelessness can occur in various contexts, its most common causes include state succession, ill-defined or discriminatory nationality laws, and arbitrary deprivation of nationality. Statelessness can also be a consequence of forced displacement and forced migration and can result when people face difficulties accessing civil registration documents, including birth certificates, necessary to acquire or confirm nationality. [less ▲]

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See detailWomen’s Empowerment and Child Wellbeing in Ethiopia
Cebotari, Victor UL; Ramful, Nesha; Elezaj, Erëblina et al

Report (2020)

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See detailPandemic Simulation and Forecasting of exit strategies:Convergence of Machine Learning and EpidemiologicalModels
Ghamizi, Salah UL; Rwemalika, Renaud UL; Cordy, Maxime UL et al

Report (2020)

The COVID-19 pandemic has created a public health emergency unprecedented in this century. The lack ofaccurate knowledge regarding the outcomes of the virus has made it challenging for policymakers to ... [more ▼]

The COVID-19 pandemic has created a public health emergency unprecedented in this century. The lack ofaccurate knowledge regarding the outcomes of the virus has made it challenging for policymakers to decideon appropriate countermeasures to mitigate its impact on society, in particular the public health and the veryhealthcare system.While the mitigation strategies (including the lockdown) are getting lifted, understanding the current im-pacts of the outbreak remains challenging. This impedes any analysis and scheduling of measures requiredfor the different countries to recover from the pandemic without risking a new outbreak.Therefore, we propose a novel approach to build realistic data-driven pandemic simulation and forecastingmodels to support policymakers. Our models allow the investigation of mitigation/recovery measures andtheir impact. Thereby, they enable appropriate planning of those measures, with the aim to optimize theirsocietal benefits.Our approach relies on a combination of machine learning and classical epidemiological models, circum-venting the respective limitations of these techniques to allow a policy-making based on established knowl-edge, yet driven by factual data, and tailored to each country’s specific context. [less ▲]

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See detailLa fiscalité écologique au Luxembourg : quels effets redistributifs ?
Vergnat, Vincent UL; d'Ambrosio, Conchita UL; Liégeois, Philippe

Report (2020)

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See detailChanging Trends in Gender Equality in Ethiopia
Elezaj, Erëblina; Cebotari, Victor UL; Ramful, Nesha et al

Report (2020)

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See detailAssessment of the 2020 National Reform Programme
Andersen, Katja Natalie UL

Report (2020)

From the perspective of primary, secondary and higher education, the 2020 NRP focuses on the two objectives (1) dropping out of school with a target rate under 10% and (2) higher education with a target ... [more ▼]

From the perspective of primary, secondary and higher education, the 2020 NRP focuses on the two objectives (1) dropping out of school with a target rate under 10% and (2) higher education with a target rate of people between 30 and 34 years of age having a HE qualification reaches 66%. At first glance, both of these target rates may not appear ambitious enough, since similar results have already been achieved in previous years (e.g., 9.3% ESL rate in 2015; see section 2.0). Nevertheless, in view of the specific situation of Luxembourg, which has the highest proportion of foreigners in the European Union, the rates described in the 2020 NRP appear appropriate. In order to achieve the objectives of the 2020 NRP on the ESL rate and the HE rate, the considerations formulated on lifelong learning appear to be of particular importance. [less ▲]

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See detailYAC – Young People and COVID-19. Preliminary Results of a Representative Survey of Adolescents and Young Adults in Luxembourg
Residori, Caroline UL; Sozio, Maria Eugenia; Schomaker, Léa UL et al

Report (2020)

Overall, the preliminary results of the representative survey of adolescents and young adults in Luxembourg paint a complex picture. In general, young people seem to be aware of their responsibility to ... [more ▼]

Overall, the preliminary results of the representative survey of adolescents and young adults in Luxembourg paint a complex picture. In general, young people seem to be aware of their responsibility to contain the coronavirus. The majority have the necessary information and opportunities to act in a way that reflects this responsibility. There are suggestions of negative impacts stemming from COVID-19 and measures to combat COVID-19, but these do not appear to be the prevailing dynamic at the time of completing the survey. However, it is likely that negative effects will increase the longer the COVID-19 pandemic lasts and the more individual and social resources are depleted. There are already detectable beginnings of sociodemographic and socioeconomic differences in how people are coping with the COVID-19 pandemic. It is therefore important to continue to provide young people with support for mastering the transition between childhood and adulthood despite COVID-19 and to responsibly provide them with the opportunities and spaces this requires. This process must pay particular attention to inequalities that are developing and being reinforced. [less ▲]

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See detailGerman Emigration and Remigration Panel Study (GERPS): Methodology and Data Manual of the Baseline Survey (Wave 1)
Ette, Andreas; Decieux, Jean Philippe Pierre UL; Erlinghagen, Marcel et al

Report (2020)

International migration between economically highly developed countries is a central component of global migration flows. Still, surprisingly little is known about the international mobility of the ... [more ▼]

International migration between economically highly developed countries is a central component of global migration flows. Still, surprisingly little is known about the international mobility of the populations of these affluent societies. The aim of the German Emigration and Remigration Panel Study (GERPS) is to collect data to analyse the individual consequences of international migration as well as the consequences for the country of origin. GERPS is based on an origin-based multistage probability sample using the German population registers as a sampling frame. The realised net sample includes more than 11,000 persons who recently moved abroad from Germany and persons returning to Germany after having lived abroad. The study follows a multi-destination country design and allows comparative analyses of migrants and non-migrants who stayed in the country of origin. GERPS is a panel study with at least four waves during a period of at least 24 months. This documentation, however, presents the methodology and the data for the first wave providing the baseline survey. Detailed information is provided to invite external researchers to apply the new data infrastructure to their own research and to disseminate the innovative research design to construct migrant samples. [less ▲]

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See detailArgumentation Label Functions - Technical Report
Cramer, Marcos; Dauphin, Jérémie UL

Report (2020)

An important approach to abstract argumentation is the labeling-based approach, in which one makes use of labelings that assign to each argument one of three labels: in, out or und. In this paper, we ... [more ▼]

An important approach to abstract argumentation is the labeling-based approach, in which one makes use of labelings that assign to each argument one of three labels: in, out or und. In this paper, we address the question, which of the twenty-seven functions from the set of labels to the set of labels can be represented by an argumentation framework. We prove that in preferred, complete and grounded semantics, eleven labeling functions can be represented in this way while sixteen labeling functions cannot be represented by any argumentation framework. We show how this analysis of labeling functions can be applied to prove an impossibility result: Argumentation frameworks extended with a certain kind of weak attack relation cannot be flattened to the standard Dung argumentation frameworks. [less ▲]

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See detailGesund Altern - Ergebnisse einer Repräsentativumfrage zu Altersbildern junger Erwachsener
Blawert, Anne; Kornadt, Anna Elena UL; Schröder, Helmut et al

Report (2020)

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See detailRAPPORT ANNUEL SUR LES MIGRATIONS ET L'ASILE Luxembourg 2019
Sommarribas, Adolfo UL; Hallack, Florence UL; Rozenberga, Zane UL et al

Report (2020)

Le présent rapport trace les principaux développements et débats relatifs à la migration et à l'asile au Luxembourg en 2019. Le Luxembourg reste un pays d'immigration important, comme en témoignent les ... [more ▼]

Le présent rapport trace les principaux développements et débats relatifs à la migration et à l'asile au Luxembourg en 2019. Le Luxembourg reste un pays d'immigration important, comme en témoignent les chiffres du solde migratoire, qui reste la principale raison de la croissance démographique de la population résidente luxembourgeoise. L'immigration nette de ressortissants de pays tiers reste élevée (7 336) et dépasse celle des citoyens de l'Union européenne (UE; 4 806). Le nombre de personnes demandant une protection internationale est resté élevé en 2019 (2 047 demandes) par rapport aux niveaux enregistrés avant la «crise migratoire» (1 091 en 2014). Le regroupement familial reste la principale raison pour laquelle les ressortissants de pays tiers immigrent au Luxembourg, suivi des raisons économiques et de la protection internationale. Plusieurs développements majeurs se sont produits dans le domaine de la migration légale. L'introduction d'un nouveau visa de longue durée simplifie l'entrée et le séjour des ressortissants de pays tiers pour une période pouvant aller jusqu'à un an, sans avoir à demander un permis de séjour. Afin de garantir les droits des citoyens britanniques travaillant et résidant au Luxembourg avant le retrait du Royaume-Uni (UK) de l'UE (Brexit), quatre lois ont été adoptées, la plupart d'entre elles étant censées entrer en vigueur en cas d’un Brexit sans accord. D'autres changements importants liés à la migration résultent de l'adoption de la loi du 4 décembre 2019 modifiant la loi du 29 août 2009 sur la libre circulation des personnes et l'immigration. Cette loi prend en compte les commentaires de l'expert lors de l'évaluation en 2016 de l'application de Schengen. [less ▲]

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See detailYouth Survey Luxembourg – Technical Report 2019
Sozio, Maria Eugenia; Procopio, Alessandro UL; Samuel, Robin UL

Report (2020)

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See detailResponses to COVID-19
Andersen, Katja Natalie UL

Report (2020)

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See detailData Centric Engineering and Data-Driven Modelling - Computational Engineering Lab Report 2019
Bordas, Stéphane UL; Peters, Bernhard UL; Viti, Francesco UL et al

Report (2019)

https://www.cambridge.org/core/journals/data-centric-engineering

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See detailPathways to citizenship for third-country nationals in Luxembourg
Sommarribas, Adolfo UL; Petry, Ralph UL; Nienaber, Birte UL

Report (2019)

The main objective of this study of the European Migration Network is to provide objective and reliable information about the pathways to citizenship for third-country nationals in Luxembourg, with a ... [more ▼]

The main objective of this study of the European Migration Network is to provide objective and reliable information about the pathways to citizenship for third-country nationals in Luxembourg, with a particular focus on the ordinary naturalisation procedure. The laws and regulations regarding the acquisition of nationality in Luxembourg underwent a complete overhaul in 2017, with the amended Law of 8 March 2017 on Luxembourgish nationality abrogating the Law of 23 October 2008. This new Nationality Law instituted a number of important overarching modifications and additions that are addressed throughout the study. In general, the Luxembourg Nationality Law does not differentiate between applications introduced by EU citizens or third-country nationals. Apart from obtaining Luxembourgish nationality by simple operation of law, i.e. automatically and without any action being taken by the person concerned, the Luxembourgish Nationality Law foresees three modes through which a third-country national can acquire Luxembourgish nationality by procedural means: acquisition of nationality via ordinary naturalisation, via option or via reclamation. A look at the statistics regarding the acquisition of nationality via procedural means, including all the pathways open to third-country nationals, for the period 2014 to 2018 show that the simplified option procedure (regrouping all the 10 specific cases) is the most common pathway through which third-country nationals have acquired Luxembourgish nationality, followed by the reclamation procedure and the ordinary naturalization. In this context, it is important to make a distinction between acquisitions by residents of Luxembourg and by persons that are not residing in Luxembourg. Luxembourg introduced the principle of multiple nationalities through the legislative reform of 2008, which resulted in a significant increase of acquisitions of Luxembourgish nationality, as applicants are no longer required to renounce their other nationality or nationalities. [less ▲]

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See detailLe concept russe de « guerre nouvelle génération » du Général Gerasimov : quelle exploitation pour l’armée de Terre ?
Fouillet, Thibault UL

Report (2019)

A l’instar du moteur ayant permis de rétablir le mouvement en 1940 après la paralysie opérée par le feu en 1914, la doctrine russe formulée autour du document cadre de 2014 et des discours du Général ... [more ▼]

A l’instar du moteur ayant permis de rétablir le mouvement en 1940 après la paralysie opérée par le feu en 1914, la doctrine russe formulée autour du document cadre de 2014 et des discours du Général Gerasimov permet en s’adaptant à la donne sociologique et technologique contemporaine de rétablir une liberté d’action et de conduire avec succès une bataille malgré la menace du feu nucléaire, permettant une atteinte rapide des buts de guerre (tout en prévenant l’escalade). Cette doctrine de guerre nouvelle génération fondée en réaction à la guerre hybride américaine et intériorisant les grandes tendances d’évolutions capacitaires, constitue une énième mutation de la guerre par fondation d’une stratégie intégrale dont l’originalité repose sur un emploi coordonné de moyens de toute nature (civils, techniques) et pour les moyens militaires, sur un appareil conventionnel modernisé et infovalorisé. Les modalités opérationnelles qui en découlent recouvrent alors quatre domaines :  L’intégration multi-domaines pour la réalisation de frappes en profondeur dans l’ensemble de l’épaisseur du système ennemi (au sens large), notamment par un usage d’opérations couplées (actions non-linéaires/actions conventionnelles) ;  La fondation d’une architecture C4ISR complète permettant de basculer du combat collaboratif aux opérations collaboratives dans la profondeur ;  Le retour de la menace d’ADM tactiques et le développement d’une capacité de dissuasion conventionnelle par acquisition de moyens à « efficience nucléaire » ;  La centralité des capacités robotiques et notamment leur massification tactique pour produire des effets de saturation à faibles coûts. Ainsi, est mis en exergue un modèle d’opérations privilégiant les actions coordonnées sur l’ensemble des capacités ennemis (population, économie, structures civiles) en usant de la totalité des fonctions disponibles (champs immatériels de désinformation, cyber, proxies, etc. et également champs matériels de frappes en profondeur) pour produire des effets tactiques et opérationnels suffisant pour paralyser la capacité de réaction ennemie. Modèle qui n’est que partiellement compatible avec la conception française de la guerre, puisque faisant fi du respect du droit international et ne prenant pas en compte le cas d’opérations défensives. Par conséquent les enseignements que l’adT peut tirer de la doctrine russe, aussi bien en offensive qu’en défensive, sont centrés sur les voies et moyens d’une action coordonnée de l’ensemble des domaines de la lutte dans le cadre d’opérations dans la profondeur et ce sur l’ensemble du spectre des engagements ; des OPEX à la haute intensité. [less ▲]

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See detailThe funding of the online press: from its origin to the temporary state subsidies.
Kies, Raphaël UL; Hamdi, Mohamed Amin UL

Report (2019)

Following the objectives of the Media Pluralism Monitor, this section aims to analyse to what extent the introduction of public funding dedicated to the online journalism contributes to reinforce the ... [more ▼]

Following the objectives of the Media Pluralism Monitor, this section aims to analyse to what extent the introduction of public funding dedicated to the online journalism contributes to reinforce the independence, plurality and the quality of the journalistic offer in the country. We will first provide an overview of the issues online media face in Luxembourg before dealing more in detail withthe new national regulation on online media funding. Specifically, we will analyse how it differs from the existing public subsidies for the print media and to what extend online media have benefited from these fundings. This analysis should allow us to evaluate whether the introduction of the subsidies for online journalism positively affects the media concentration, the linguistic and ideological plurality and whether it contributes to improving the quality of the media production. [less ▲]

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See detailRAPPORT TRAVAIL ET COHÉSION SOCIALE − L'ÉTAT SOCIAL ET LE BIEN-ÊTRE DE LA SOCIÉTÉ LUXEMBOURGEOISE
Ametepe, Fofo; Franziskus, Anne; Hartung, Anne UL et al

Report (2019)

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See detailEN/FR/DE Bericht über die "Demenzforschungstage" 2019. Einbezug von Betroffenen in die Forschung zu kognitivem Altern und Demenz
Leist, Anja UL

Report (2019)

On 19 and 20 September 2019, the first "Dementia Research Forum" took place on the Belval campus of the University of Luxembourg. People living with dementia were invited to the university to discuss the ... [more ▼]

On 19 and 20 September 2019, the first "Dementia Research Forum" took place on the Belval campus of the University of Luxembourg. People living with dementia were invited to the university to discuss the research questions of the ERC-CRISP project and to advise the researchers on the dissemination of the research results. The idea of giving people affected by dementia a voice in research projects is already being successfully implemented in other countries such as the UK. The report presents some information on the research project for the general public. After that, the contributions of the participants are summarised. [less ▲]

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See detailEmployers’ hiring decisions in relation to young people in Luxembourg (EDYPOLU). Short report
Gutfleisch, Tamara Rebecca UL; Samuel, Robin UL

Report (2019)

In this report, we present a selection of preliminary descriptive results from the EDYPOLU research project funded by the University of Luxembourg (2017-2020). The research project examines the labour ... [more ▼]

In this report, we present a selection of preliminary descriptive results from the EDYPOLU research project funded by the University of Luxembourg (2017-2020). The research project examines the labour market for young people in Luxembourg with an interest in operational staffing needs, general human resource requirements and selection processes of recruiters. The main objective of the project is to identify possible obstacles for a successful entry into the labor market for young job seekers in Luxembourg by studying the general mechanisms in recruiters’ evaluation of young job candidates. To this end, we conducted an online survey among recruiters working in different occupational fields in Luxembourg between November 2018 and January 2019. A pilot study was conducted in spring 2018. The EDYPOLU recruiter survey builds on the Horizon 2020 project NEGOTIATE (https://negotiate-research.eu/). In the context of NEGOTIATE, a recruiter survey was conducted in four countries: Bulgaria, Greece, Norway, and Switzerland. EDYPOLU surveys a number of topics that have also been examined in NEGOTIATE. This makes it possible to draw some comparisons between the results of both studies. [less ▲]

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