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See detailFour reasons why data centers matter, five implications of their social spatial distribution, one graphic to visualize them
Bast, Desmond; Carr, Constance UL; Madron, Karinne Lynda UL et al

in Environment and Planning A (2022)

Data centers constitute a new kind of telecommunications infrastructure that demands attention for four reasons. Data centers are under-examined in the social sciences literature, urban studies, in ... [more ▼]

Data centers constitute a new kind of telecommunications infrastructure that demands attention for four reasons. Data centers are under-examined in the social sciences literature, urban studies, in particular. Data centers present an under explored geography of cyberworlds. Large digital corporations such as Amazon or Google are expanding their role in urban infrastructural development (such as data centers), and it is necessary to research and explain this phenomenon. Data centers present challenges of urban governance. The graphic provided here visualizes the social spatial distribution of data centers in the Washington Metropolitan Area. There are four implications of their social spatial distribution. Data centers are concentrated in metropolitan areas. Data centers have a high demand for energy and water, competing with local residents for these resources. The DC industry is a state-led niche economy. The uneven distribution of data centers can invoke inter-county competition for tax revenue, in addition to access to the water, power, and land resources that data centers require. The scale of the problem is unknown because the input needs of many data centers are not publicly available. [less ▲]

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See detailRobust and Deployable Gesture Recognition for Smartwatches
Kunwar, Utkarsh; Borar, Sheetal; Berghofer, Moritz et al

in Proceedings of the ACM Conference on Intelligent User Interfaces (IUI) (2022)

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See detailSolids on Soli: Millimetre-Wave Radar Sensing through Materials
Čopič Pucihar, Klen; Attygalle, Nuwan T.; Kljun, Matjaž et al

in Proceedings of the ACM on Human-Computer Interaction (2022)

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See detailMaking meaning of multilingualism at work: from competence to conviviality
Lovrits, Veronika UL

in Journal of Multilingual and Multicultural Development (2022)

The present study contributes to recent renewed interest in the social construction of folk linguistic knowledge and directs its focus to a multilingual workplace. The article reports on an in-depth ... [more ▼]

The present study contributes to recent renewed interest in the social construction of folk linguistic knowledge and directs its focus to a multilingual workplace. The article reports on an in-depth sociolinguistic investigation in a European institution in Luxembourg. Data were collected in 2020-2021 with trainees and permanent staff in a terminology and communication unit. The data collection triangulated qualitative techniques of longitudinal interviewing, reflective drawing, writing reflection, and observation. Analysis of participants’ stances uncovered a varying understanding of what multilingualism means in the workplace, how it changes and to what effect. During reflective participation, the trainees heightened their socio-pragmatic awareness of diversity in the meaning-making process. Moreover, they ceased to construct their personal multilingualism as proof of professional competence and started to see it as the basis of their own well-being, personal self-realisation and growth. As such, they re-coupled the social and linguistic aspect of their language use and aligned their stances with the permanent staff. This study aims to inspire more innovative approaches with a potential direct effect in multilingual workplaces, especially in those welcoming workers from monolingual or otherwise homogenous social environments. [less ▲]

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See detailSuSy-EnGaD: Surveillance System Enhanced by Games of Drones
Stolfi Rosso, Daniel UL; Brust, Mathias UL; Danoy, Grégoire UL et al

in Drones (2022), 6(13),

In this article, we propose SuSy-EnGaD, a surveillance system enhanced by games of drones. We propose three different approaches to optimise a swarm of UAVs for improving intruder detection, two of them ... [more ▼]

In this article, we propose SuSy-EnGaD, a surveillance system enhanced by games of drones. We propose three different approaches to optimise a swarm of UAVs for improving intruder detection, two of them featuring a multi-objective optimisation approach, while the third approach relates to the evolutionary game theory where three different strategies based on games are proposed. We test our system on four different case studies, analyse the results presented as Pareto fronts in terms of flying time and area coverage, and compare them with the single-objective optimisation results from games. Finally, an analysis of the UAVs trajectories is performed to help understand the results achieved. [less ▲]

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See detailTechnocratic urban development: Large digital corporations as power brokers of the digital age
Carr, Constance UL; Hesse, Markus UL

in Planning Theory and Practice (2022)

Large digital corporations such as Amazon.com or Alphabet Inc. are forging their position in cities by promoting themselves as the sole providers of so-called essential urban infrastructures. In this ... [more ▼]

Large digital corporations such as Amazon.com or Alphabet Inc. are forging their position in cities by promoting themselves as the sole providers of so-called essential urban infrastructures. In this paper, we reflect on how the behaviours of these current-day ‘tech giants’ are similar to those of the mid-20th century, a time period also known for dramatic infrastructural change in North American and Europe. Specifically, we are reminded of Robert Moses and how he pushed for infrastructural change in New York City and State, which were also supposedly the height of state-of-the-art urban planning at the time. He pushed his agenda, however, by brokering power and strong-arming the urban and regional development field. We reflect on Alphabet Inc.’s project in Toronto and Amazon’s search for a second headquarters in New York City and how these LDCs were similarly armed with executive and financial power and an ability to bully the field of urban development in their own interest. Behaving as digital-age power brokers, they engaged managerial-technocratic modes of urban governance to instigate projects that ultimately failed. We argue that Alphabet’s and Amazon’s strategies not only resemble those of Moses, but that all three deploy tactics that debase planning practice itself. [less ▲]

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See detailFiefs des comtes de Luxembourg au 13e siècle (Grande Région SaarLorLux)
Moulin, Philippe; Helfer, Malte UL; Pauly, Michel UL et al

E-print/Working paper (2022)

This map is an attempt at a cartographic representation of the active fiefs of the Counts of Luxembourg between 1200 and 1310. The map is intended to visualise the presence, frequency and type of feudal ... [more ▼]

This map is an attempt at a cartographic representation of the active fiefs of the Counts of Luxembourg between 1200 and 1310. The map is intended to visualise the presence, frequency and type of feudal estates of the Counts of Luxembourg. [less ▲]

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See detailThe story of a bank through the architecture of its headquarters
Duval, Cécile UL; Gabellini, Marco UL; Mouton, Victoria UL

in Bulletin - Finance and Photography (2022), 2

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See detailPsychiatrie
Majerus, Benoît UL

in Poutrin, Isabelle; Lusset, Elisabeth (Eds.) Dictionnaire du fouet et de la fessée. Corriger et punir (2022)

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See detailCamisole
Majerus, Benoît UL

in Poutrin, Isabelle; Lusset, Elisabeth (Eds.) Dictionnaire du fouet et de la fessée. Corriger et punir (2022)

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See detailOne planet: one health. A call to support the initiative on a global science–policy body on chemicals and waste
Brack, Werner; Barcelo Culleres, Damia; Boxall, Alistair B. A. et al

in Environmental Sciences Europe (2022), 34(1), 21

Abstract The chemical pollution crisis severely threatens human and environmental health globally. To tackle this challenge the establishment of an overarching international science–policy body has ... [more ▼]

Abstract The chemical pollution crisis severely threatens human and environmental health globally. To tackle this challenge the establishment of an overarching international science–policy body has recently been suggested. We strongly support this initiative based on the awareness that humanity has already likely left the safe operating space within planetary boundaries for novel entities including chemical pollution. Immediate action is essential and needs to be informed by sound scientific knowledge and data compiled and critically evaluated by an overarching science–policy interface body. Major challenges for such a body are (i) to foster global knowledge production on exposure, impacts and governance going beyond data-rich regions (e.g., Europe and North America), (ii) to cover the entirety of hazardous chemicals, mixtures and wastes, (iii) to follow a one-health perspective considering the risks posed by chemicals and waste on ecosystem and human health, and (iv) to strive for solution-oriented assessments based on systems thinking. Based on multiple evidence on urgent action on a global scale, we call scientists and practitioners to mobilize their scientific networks and to intensify science–policy interaction with national governments to support the negotiations on the establishment of an intergovernmental body based on scientific knowledge explaining the anticipated benefit for human and environmental health. [less ▲]

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See detailSequential On-Device Multitasking within Online Surveys: A Data Quality and Response Behavior Perspective
Decieux, Jean Philippe Pierre UL

in Sociological Methods and Research (2022)

The risk of multitasking is high in online surveys. However, knowledge on the effects of multitasking on answer quality is sparse and based on suboptimal approaches. Research reports inconclusive results ... [more ▼]

The risk of multitasking is high in online surveys. However, knowledge on the effects of multitasking on answer quality is sparse and based on suboptimal approaches. Research reports inconclusive results concerning the consequences of multitasking on task performance. However, studies suggest that especially sequential-multitasking activities are expected to be critical. Therefore, this study focusses on sequential-on-device-multitasking activities (SODM) and its consequences for data quality. Based on probability-based data, this study aims to reveal the prevalence of SODM based on the javascript function OnBlur, to reflect its determinants and to examine the consequences for data quality. Results show that SODM was detected for 25% of all respondents and that respondent attributes and the device used to answer the survey are related to SODM. Moreover, it becomes apparent that SODM is significantly correlated to data quality measures. Therefore, I propose SODM behavior as a new instrument for researching suboptimal response behavior. [less ▲]

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See detailLa mode modeste et ses paradoxes
Roelens, Nathalie UL

Speeches/Talks (2022)

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See detailHow to conduct a meta‑analysis in eight steps: a practical guide
Hansen, Christopher UL; Steinmetz, Holger; Block, Jörn

in Management Review Quarterly (2022), 72(1), 1-19

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See detailWavelet methods to study the pointwise regularity of the generalized Rosenblatt process
Daw, Lara UL; Loosveldt, Laurent UL

E-print/Working paper (2022)

We prove that we can identify three types of pointwise behaviour in the regularity of the (generalized) Rosenblatt process. This extends to a non Gaussian setting previous results known for the ... [more ▼]

We prove that we can identify three types of pointwise behaviour in the regularity of the (generalized) Rosenblatt process. This extends to a non Gaussian setting previous results known for the (fractional) Brownian motion. On this purpose, fine bounds on the increments of the Rosenblatt process are needed. Our analysis is essentially based on various wavelet methods. [less ▲]

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See detailpatRoon 2.0: Improved non-target analysis workflows including automated transformation product screening
Helmus, Rick; van de Velde, Bas; Brunner, Andrea M. et al

in Journal of Open Source Software (2022), 7(71), 4029

Non-target analysis (NTA) via chromatography coupled to high resolution mass spectrometry (HRMS) is used to monitor and identify organic chemicals in the environment. Biotic and abiotic processes can ... [more ▼]

Non-target analysis (NTA) via chromatography coupled to high resolution mass spectrometry (HRMS) is used to monitor and identify organic chemicals in the environment. Biotic and abiotic processes can transform original chemicals (parents) into transformation products (TPs). These TPs can be of equal or more concern than their parent compounds and are therefore critical to monitor and identify in the environment (Escher & Fenner, 2011; Farré et al., 2008), often with NTA. Given the amount of data generated by NTA, advanced automated data processing workflows are essential. The open-source, R-based (R Core Team, 2021) platform patRoon (Helmus, ter Laak, et al., 2021) offers automated, straightforward, flexible and comprehensive NTA workflows. This article describes improvements introduced in patRoon 2.0, including extensive TP screening and simultaneous processing of positive and negative HRMS data. The updated documentation and code are available via https://rickhelmus.github.io/patRoon and archived in Helmus, Velde, et al. (2021). [less ▲]

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See detailThe Corona Pandemic and Its Implications for the Mental Health and Mental Healthcare of Older Adults
Albert, Isabelle UL; Kornadt, Anna Elena UL

in GeroPsych: Journal of Gerontopsychology and Geriatric Psychiatry (2022), 35(1),

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See detailThe Minor Order of Homomorphisms via Natural Dualities
Poiger, Wolfgang UL; Teheux, Bruno UL

in Order: A Journal on the Theory of Ordered Sets and its Applications (2022)

We study the minor relation for algebra homomorphims in finitely generated quasivarieties that admit a logarithmic natural duality. We characterize the minor homomorphism posets of finite algebras in ... [more ▼]

We study the minor relation for algebra homomorphims in finitely generated quasivarieties that admit a logarithmic natural duality. We characterize the minor homomorphism posets of finite algebras in terms of disjoint unions of dual partition lattices and investigate reconstruction problems for homomorphisms. [less ▲]

Detailed reference viewed: 63 (10 UL)