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See detail"I am definitely manipulated, even when I am aware of it. It’s ridiculous!" - Dark Patterns from the End-User Perspective
Bongard-Blanchy, Kerstin UL; Rossi, Arianna UL; Rivas, Salvador UL et al

in Proceedings of ACM DIS Conference on Designing Interactive Systems (2021)

Online services pervasively employ manipulative designs (i.e., dark patterns) to influence users to purchase goods and subscriptions, spend more time on-site, or mindlessly accept the harvesting of their ... [more ▼]

Online services pervasively employ manipulative designs (i.e., dark patterns) to influence users to purchase goods and subscriptions, spend more time on-site, or mindlessly accept the harvesting of their personal data. To protect users from the lure of such designs, we asked: are users aware of the presence of dark patterns? If so, are they able to resist them? By surveying 406 individuals, we found that they are generally aware of the influence that manipulative designs can exert on their online behaviour. However, being aware does not equip users with the ability to oppose such influence. We further find that respondents, especially younger ones, often recognise the "darkness" of certain designs, but remain unsure of the actual harm they may suffer. Finally, we discuss a set of interventions (e.g., bright patterns, design frictions, training games, applications to expedite legal enforcement) in the light of our findings. [less ▲]

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See detailWhen Choice Happens: A Systematic Examination of Mouse Movement Length for Decision Making in Web Search
Brückner, Lukas; Arapakis, Ioannis; Leiva, Luis A. UL

in Proceedings of the International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR) (2021)

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See detailGlimpse: A Gaze-Based Measure of Temporal Salience
Traver, V. Javier; Zorío, Judith; Leiva, Luis A. UL

in Sensors (2021), 21(9),

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See detailDetermining Pretrial Detention by Algorithm: The Lesser of Two Evils?
Blount, Kelly UL

Article for general public (2021)

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See detailSynergies in Cybersecurity Incident Reporting – The NIS Cooperation Group Publication 04/20 in Context
Schmitz, Sandra UL; Anheier, Fabian UL

in European Data Protection Law Review (2021), 7(1), 101-107

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See detailNational isolation or regional cooperation? The media debate on border closures during the Covid-19 crisis in Luxembourg
Högenauer, Anna-Lena UL

in Small States & Territories (2021), 4(1), 61-74

Having been initially confined largely to China, East Asia and Italy, the Covid-19 crisis swept quickly over Europe in March 2020. Luxembourg was among the many small continental European states with high ... [more ▼]

Having been initially confined largely to China, East Asia and Italy, the Covid-19 crisis swept quickly over Europe in March 2020. Luxembourg was among the many small continental European states with high rates of infection. In the absence of a common European Union response, national responses to the crisis varied strongly. Decisions on the closing of borders and the limiting of cross-border movements have become a symbol of a newly found unilateralism. Luxembourg took the rare decision not to close its borders and disapproved of the restriction of cross-border movements by neighbouring states. The paper argues that this is the result of its size and economic policy which, in the context of EU integration, has led to strong interdependencies and social networks within the cross-border region. This argument is based on an analysis of the pre-Covid-19 situation in Luxembourg as a cross-border metropolitan region and how local newspaper articles can open a window to understand how the disruption caused by the pandemic reconfigured Luxembourg’s borders with its neighbouring European states of Belgium, France and Germany. [less ▲]

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See detailEditorial: Small States and the ‘Corona Crisis’
Högenauer, Anna-Lena UL; Sarapuu, Külli; Trimikliniotis, Nicos

in Small States & Territories, (2021), 4(1), 3-12

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See detail1918, 1945, 1989: Childhood in Times of Political Transformation: Part I
Kind-Kovács, Friederike; Venken, Machteld UL

in Journal of Modern European History (2021), 19(2),

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See detailSociétés civiles, associations et autres groupements
Hiez, David UL

in Revue Trimestrielle de Droit Commercial et de Droit Economique (2021), 1

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See detailRecherches Actuelles en Psychologie Différentielle
Houssemand, Claude UL

Book published by UL (2021)

Par le passé les conduites humaines ont été étudiées selon une approche générale ou une approche différentielle donnant lieu à des courants séparés de la psychologie, les modèles comportementaux laissent ... [more ▼]

Par le passé les conduites humaines ont été étudiées selon une approche générale ou une approche différentielle donnant lieu à des courants séparés de la psychologie, les modèles comportementaux laissent, aujourd’hui, une place de plus en plus importante aux variations inter et intra-individuelles. La psychologie différentielle longtemps restreinte à l’étude de champs particuliers, comme celui des méthodes par exemple, bénéficie de ce nouveau paradigme et participe activement à cette évolution conceptuelle. En parallèle, ses thématiques de recherche se voient modifiées par la prise en compte des intérêts des autres disciplines avec lesquelles elle collabore. Dès lors, elle aborde, comme ses précurseurs l’avaient définie, des champs plus en lien avec les évolutions sociétales actuelles : éducation différenciée, formation tout-au-long de la vie, orientation, sélection des personnes ou ressources humaines. De plus, les avancées techniques et technologiques lui permettent de faire évoluer ses outils d’investigation et de diagnostic, sur lesquels elle s’est, depuis son origine, arcboutée et qui sont actuellement le testing assisté par ordinateur, le testing adaptatif, l’intelligence artificielle ou les interfaces homme-machine. Enfin, par la prise en compte des théories et des méthodes de sciences émergentes (sciences cognitives et neurosciences), elle se dote de nouveaux moyens d’analyse des différences individuelles. Ainsi une certaine mutation de la psychologie différentielle s’observe au travers de différents travaux récents initiés au sein de cette discipline et que le présent ouvrage Recherches actuelles en psychologie différentielle tente de mettre en lumière. En effet, ce recueil, composé des synthèses de certaines communications orales et affichées présentées lors des XXIIIème Journées de Psychologie Différentielle (Luxembourg, 2018) se veut, sans être exhaustif, le reflet de certaines voies nouvelles de ce domaine scientifique et souhaite ainsi donner une image nouvelle et actuelle de la psychologie différentielle, des réalisations et perspectives de recherche de cette discipline. [less ▲]

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See detailPrecoding with Received-Interference Power Control for Multibeam Satellite Communication Systems
Lagunas, Eva UL; Perez-Neira, Ana Isabel; Martinez, Marc et al

in Frontiers in Space Technologies (2021)

Zero-Forcing (ZF) and Regularized Zero-Forcing (RZF) precoding are low-complexity sub-optimal solutions widely accepted in the satellite communications community to mitigate the resulting co-channel ... [more ▼]

Zero-Forcing (ZF) and Regularized Zero-Forcing (RZF) precoding are low-complexity sub-optimal solutions widely accepted in the satellite communications community to mitigate the resulting co-channel interference caused by aggressive frequency reuse. However, both are sensitive to the conditioning of the channel matrix, which can greatly reduce the achievable gains. This paper brings the attention to the benefits of a design that allows some residual received interference power at the co-channel users. The motivation behind this approach is to relax the dependence on the matrix inversion procedure involved in conventional precoding schemes. In particular, the proposed scheme aims to be less sensitive to the user scheduling, which is one of the key limiting factors for the practical implementation of precoding. Furthermore, the proposed technique can also cope with more users than satellite beams. In fact, the proposed precoder can be tuned to control the interference towards the co-channel beams, which is a desirable feature that is not met by the existing RZF solutions. The design is formulated as a non-convex optimization and we study various algorithms in order to obtain a practical solution. Supporting results based on numerical simulations show that the proposed precoding implementations are able to outperform the conventional ZF and RZF schemes. [less ▲]

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See detailA robust protocol for the generation of human midbrain organoids
Zagare, Alise UL; Gobin, Matthieu UL; Monzel, Anna et al

in STAR Protocols (2021)

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See detailLa proposta di direttiva sui salari minimi adeguati nella prospettiva di contrasto all’in-work poverty
Ratti, Luca UL

in Diritto delle Relazioni Industriali (2021)

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See detailLoss of Ambra1 promotes melanoma growth and invasion.
Di Leo, Luca; Bodemeyer, Valérie; Bosisio, Francesca M. et al

in Nature communications (2021), 12(1), 2550

Melanoma is the deadliest skin cancer. Despite improvements in the understanding of the molecular mechanisms underlying melanoma biology and in defining new curative strategies, the therapeutic needs for ... [more ▼]

Melanoma is the deadliest skin cancer. Despite improvements in the understanding of the molecular mechanisms underlying melanoma biology and in defining new curative strategies, the therapeutic needs for this disease have not yet been fulfilled. Herein, we provide evidence that the Activating Molecule in Beclin-1-Regulated Autophagy (Ambra1) contributes to melanoma development. Indeed, we show that Ambra1 deficiency confers accelerated tumor growth and decreased overall survival in Braf/Pten-mutated mouse models of melanoma. Also, we demonstrate that Ambra1 deletion promotes melanoma aggressiveness and metastasis by increasing cell motility/invasion and activating an EMT-like process. Moreover, we show that Ambra1 deficiency in melanoma impacts extracellular matrix remodeling and induces hyperactivation of the focal adhesion kinase 1 (FAK1) signaling, whose inhibition is able to reduce cell invasion and melanoma growth. Overall, our findings identify a function for AMBRA1 as tumor suppressor in melanoma, proposing FAK1 inhibition as a therapeutic strategy for AMBRA1 low-expressing melanoma. [less ▲]

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See detailGaussian approximation for sums of region-stabilizing scores
Bhattacharjee, Chinmoy UL; Molchanov, Ilya

E-print/Working paper (2021)

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See detailGaussian approximation in random minimal directed spanning trees
Bhattacharjee, Chinmoy UL

E-print/Working paper (2021)

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See detailThe application of factorial surveys to study recruiters’ hiring intentions: comparing designs based on hypothetical and real vacancies
Gutfleisch, Tamara; Samuel, Robin UL; Sacchi, Stefan

in Quality & Quantity (2021), 55

Factorial survey experiments have been widely used to study recruiters’ hiring intentions. Respondents are asked to evaluate hypothetical applicant descriptions, which are experimentally manipulated, for ... [more ▼]

Factorial survey experiments have been widely used to study recruiters’ hiring intentions. Respondents are asked to evaluate hypothetical applicant descriptions, which are experimentally manipulated, for hypothetical job descriptions. However, this methodology has been criticized for putting respondents in hypothetical situations that often only partially correspond to real-life hiring situations. It has been proposed that this criticism can be overcome by sampling real-world vacancies and the recruiters responsible for filling them. In such an approach, only the applicants’ descriptions are hypothetical; respondents are asked about a real hiring problem, which might increase internal and external validity. In this study, we test whether using real vacancies triggers more valid judgments compared to designs based on hypothetical vacancies. The growing number of factorial survey experiments conducted in employer studies makes addressing this question relevant, both for methodological and practical reasons. However, despite the potential implications for the validity of data, it has been neglected so far. We conducted a factorial survey experiment in Luxembourg, in which respondents evaluated hypothetical applicants referring either to a currently vacant position in their company or to a hypothetical job. Overall, we found little evidence for differences in responses by the design of the survey experiment. However, the use of real vacancies might prove beneficial depending on the research interest. We hope that our comparison of designs using real and hypothetical vacancies contributes to the emerging methodological inquiry on the possibilities and limits of using factorial survey experiments in research on hiring. [less ▲]

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See detailIs This Time Really Different? Flight-to-Safety and the COVID-19 Crisis
Löwen, Celina; Kchouri, Bilal UL; Lehnert, Thorsten UL

in PLoS ONE (2021)

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See detailTropical Fock-Goncharov coordinates for SL3-webs on surfaces II: naturality
Sun, Zhe UL; Douglas, Daniel C.

E-print/Working paper (2020)

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See detailThe Monk's Guide to the Sacred Remains. Johannes Scheckmann's Heiltumsbücher between Hagiography and Curiosity
Dubuisson, Bastien UL

Presentation (2020, November 12)

At the dawn of Reformation and the religious tensions that spread across Europe in the 16th century, the German city of Trier was the theatre of a particular religious craze considered a peak in the ... [more ▼]

At the dawn of Reformation and the religious tensions that spread across Europe in the 16th century, the German city of Trier was the theatre of a particular religious craze considered a peak in the development of personal piety. During his second stay in the Mosellan city in 1512, emperor Maximilian of Habsburg ordered the clergy to excavate the tunica Christi, a relic that had remained buried under the main altar of the eastern choir of the cathedral since the end of the 12th century. This inventio was followed by a series of ostensiones to show the Holy Tunic to the mass of people gathered in front of the cathedral. Being located on the pilgrimage route to Aachen and Cologne, the churches of Trier took advantage of the influx of pilgrims to promote their own places of worship. A real “flood of relics” (“Heiltumsflut”) fell upon the city with all the drifts that went with it such as the digging of bones and a massive consumption of indulgence letters, a lucrative activity heavily criticized by Martin Luther a few years later. In this context, a whole literature related to these ostensiones reliquiarum as well as to the history of the city and of its churches emerged (so-called Heiltumsschriften), the most notorious example being Johannes Enen’s “Medulla Gestorum Trevirensium”, a vernacular treaty published in 1514, with a second edition in 1515. Two years later, in 1517, a Latin version of the above-mentioned text was released (“Epitome alias medulla Gestorum Trevirorum”). Its author was Johannes Scheckmann, a monk from the Benedictine abbey of St Maximin who had already published four other prints and is believed to be behind a series of hagiographic texts preserved in manuscript form only. Traditionally, Heilthumsbücher can be defined as printed brochures containing textual and visual information necessary for pilgrims to follow the exhibition ceremony of relics in a particular church. Yet, Scheckmann’s publications intrigue by their prosaic developments that lay far beyond the literary limits of their counterparts. Acting as a true hagiographer, the monk of Saint-Maximin shaped a new form of compendium by reemploying a classical hagiographical repertory, including one of the two only preserved medieval treaties about the cult of the saints and the worship of their relics: Thiofrid of Echternach’s Flores Epytaphii Sanctorum (ca. 1100). My paper’s proposal aims to explore to which extend Scheckmann’s work takes place in the context of an increased competition between sanctuaries to attract pilgrims; it also analysis the intended message of his writings in consideration with the past literature about the local saints. [less ▲]