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See detailÅ snakke 'pedagogikk' til 'education': Internasjonalisering og problemet med konseptuell hegemoni i studiet av pedagogikk.
Biesta, Gert UL

in Norsk Pedagogisk Tidskrift (2013), 97(3), 172-184

I lys av internasjonaliseringen av den anglo-amerikanske konstruksjonen av feltet «education», presenterer og diskuterer artikkelen problemet med konseptuell hegemoni i pedagogisk forskning. Ved å drøfte ... [more ▼]

I lys av internasjonaliseringen av den anglo-amerikanske konstruksjonen av feltet «education», presenterer og diskuterer artikkelen problemet med konseptuell hegemoni i pedagogisk forskning. Ved å drøfte forskjellen mellom den engelskspråklige konstruksjonen «education» og den tyskspråklige konstruksjonen «Pädagogik», viser artikkelen hvordan en monokulturell tilnærming til pedagogikk – ved å ødelegge viktige og levedyktige alternativer – står i fare for å gjøre feltet meget sårbart. I forsøket på å gjøre distinksjonen mellom de to konstruksjonene tydelig, er det i oversettelsen av artikkelen systematisk benyttet begrepet «education» og kombinasjoner med «education» i tilknytning til den anglo-amerikanske konstruksjonen. «Pädagogik» og tyskspråklige begrep er brukt i tilknytning til den kontinentale konstruksjonen. Ellers er begrepene «pedagogikk» og «pedagogisk» brukt. [less ▲]

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See detailA spirituality of the good turn
Weber, Jean-Marie UL

Speeches/Talks (2017)

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See detailA survey on sustainability in ICT a computing perspective
Tantar, Alexandru-Adrian UL; Tantar, Emilia UL

in GECCO 2014 - Companion Publication of the 2014 Genetic and Evolutionary Computation Conference (2014)

The rise of the data centers industry, together with the emergence of large cloud computing that require large quantities of resources to be maintained, brought the need of providing a sustainable ... [more ▼]

The rise of the data centers industry, together with the emergence of large cloud computing that require large quantities of resources to be maintained, brought the need of providing a sustainable development process. Through this paper we aim to provide an introductory insight on the status and tools available to tackle this perspective within the evolutionary and genetic algorithms community. Existing advancement are also emphasized and perspectives outlined. [less ▲]

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See detailA szervezett bűnözés elleni fellépés állami eszközeiről
Ligeti, Katalin UL; Csúri, András

in Nagy, F. (Ed.) Festschrift für Mihály Vida (2006)

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See detailA training-resistant anomaly detection system
Muller, Steve UL; Lancrenon, Jean; Harpes, Carlo et al

in Computers & Security (2018), 76

Modern network intrusion detection systems rely on machine learning techniques to detect traffic anomalies and thus intruders. However, the ability to learn the network behaviour in real-time comes at a ... [more ▼]

Modern network intrusion detection systems rely on machine learning techniques to detect traffic anomalies and thus intruders. However, the ability to learn the network behaviour in real-time comes at a cost: malicious software can interfere with the learning process, and teach the intrusion detection system to accept dangerous traffic. This paper presents an intrusion detection system (IDS) that is able to detect common network attacks including but not limited to, denial-of-service, bot nets, intrusions, and network scans. With the help of the proposed example IDS, we show to what extent the training attack (and more sophisticated variants of it) has an impact on machine learning based detection schemes, and how it can be detected. © 2018 Elsevier Ltd [less ▲]

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See detailA wie Anfang
Heimböckel, Dieter UL

Article for general public (2012)

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See detailA-EKB-EA – Fragebogen zur Erfassung von Ambivalenz in Eltern-Kind-Beziehungen im Erwachsenenalter. Test Info.
Michels, Tom; Albert, Isabelle UL; Ferring, Dieter UL

in Focus Diagnostica (2011), 57 (1)

Ambivalenz in der Beziehung zu Mutter und Vater und anderen Familienmitgliedern stellt neben dem Solidaritätskonzept eine bedeutsame Dimension für die Beschreibung intergenerationeller Beziehungen dar ... [more ▼]

Ambivalenz in der Beziehung zu Mutter und Vater und anderen Familienmitgliedern stellt neben dem Solidaritätskonzept eine bedeutsame Dimension für die Beschreibung intergenerationeller Beziehungen dar. Psychologische Ambivalenz ist dabei definiert durch das gleichzeitige Auftreten von widersprüchlichen Motiven, Emotionen und Handlungstendenzen gegenüber einer Person. In der vorliegenden Studie wurde ein „Fragebogen zur Erfassung von Ambivalenz in Eltern-Kind-Beziehungen im Erwachsenenalter” entwickelt, der k = 23 Items umfasst und in einer Mutter- respektive Vaterversion vorliegt. Exploratorische und konfirmatorische Analysen in einer Stichprobe von N = 210 Personen jungen und mittleren Erwachsenenalters zeigten unterschiedliche zweifaktorielle Strukturen des Verfahrens für die Vater- und die Mutterversion. Es wurde weiter eine Kurzversion der Instrumente entwickelt, die Vergleiche zwischen elterlichen Beziehungen erlaubt. Die Prüfung der psychometrischen Kennwerte zeigte zufriedenstellende Reliabilitätsschätzungen; ebenso ergaben sich erste Hinweise auf eine substantielle kriterienbezogene Validität der Skalen. [less ▲]

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See detail«A-t-on le droit de cédéromiser René Magritte? »
Roelens, Nathalie UL

in L'imaginaire de l'écran/Screen Imaginary (2004)

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See detailA. Dynastien: Luxemburg
Margue, Michel UL; Pauly, Michel UL

in Paravicini, Werner (Ed.) Höfe und Residenzen im spätmittelalterlichen Reich. Ein dynastisch-topographisches Handbuch. (2003)

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See detailA17044 Community health workers for non-communicable disease interventions in the digital age
Mishra, Shiva Raj; Lygidakis, Charilaos UL; Neupane, Dinesh et al

in Journal of Hypertension (2018, October)

Objectives: In this study, we review the evidence and discuss how the digitalization affects the CHWs programs for tackling non-communicable diseases (NCDs) in low-and-middle income countries (LMICs ... [more ▼]

Objectives: In this study, we review the evidence and discuss how the digitalization affects the CHWs programs for tackling non-communicable diseases (NCDs) in low-and-middle income countries (LMICs). Methods: We conducted a review of literature covering two databases: PubMED and Embase. A total of 97 articles were abstracted for full text review of which 21 are included in the analysis. Existing theories were used to construct a conceptual framework for understanding how digitalization affects the prospects of CHW programs for NCDs. Results: We identified three benefits and three challenges of digitalization. Firstly, it will help improve the access and quality of services, notwithstanding its higher establishment and maintenance costs. Secondly, it will add efficiency in training and personnel management. Thirdly, it will leverage the use of data generated across grass-roots platforms to further research and evaluation. The challenges posed are related to funding, health literacy of CHWs, and systemic challenges related to motivating CHWs. More than 60 digital platforms were identified, including mobile based networking devices (used for behavioral change communication), Web-applications (used for contact tracking, reminder system, adherence tracing, data collection, and decision support), videoconference (used for decision support) and mobile applications (used for reminder system, supervision, patients’ management, hearing screening, and tele-consultation). Conclusion: The digitalization efforts of CHW programs are afflicted by many challenges, yet the rapid technological penetration and acceptability coupled with the gradual fall in costs constitute encouraging signals for the LMICs. Both CHWs interventions and digital technologies are not inexpensive, but they may provide better value for the money. [less ▲]

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See detailThe A_infty de Rham theorem and integration of representations up to homotopy
Arias Abad, Camilo; Schatz, Florian UL

in International Mathematics Research Notices (2013), 2013(16), 3790-3855

We use Chen's iterated integrals to integrate representations up to homotopy. That is, we construct an A-infinity functor from the representations up to homotopy of a Lie algebroid A to those of its ... [more ▼]

We use Chen's iterated integrals to integrate representations up to homotopy. That is, we construct an A-infinity functor from the representations up to homotopy of a Lie algebroid A to those of its infinity groupoid. This construction extends the usual integration of representations in Lie theory. We discuss several examples including Lie algebras and Poisson manifolds. The construction is based on an A-infinity version of de Rham's theorem due to Gugenheim. The integration procedure we explain here amounts to extending the construction of parallel transport for superconnections, introduced by Igusa and Block-Smith, to the case of certain differential graded manifolds. [less ▲]

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See detailAAARN Italian unit: International adoption in Italy
Molina, Paola; Ongari, Barbara; Casonato, Marta et al

Scientific Conference (2011)

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See detailAachen - Mailand - Rom - Jerusalem: die Luxemburger als Kaiserdynastie. Die Kaiserkrönung Heinrichs VII. in den maas-moselländischen Quellen
Margue, Michel UL

in Penth, Sabine; Thorau, Peter (Eds.) Rom 1312. Die Kaiserkrönung Heinrichs VII. und die Folgen. Die Luxemburger als Herrscherdynastie von gesamteuropäischer Bedeutung (2016)

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See detailDie Aachener Thomas-Stahlforschung als kulturelles Kampffeld : Fritz Wüst, der Aachener Hütten-Aktien-Verein und die Forschungen der Technischen Hochschule Aachen zur Verbesserung des Thomas-Verfahrens 1901–1918
Krebs, Stefan UL

in Rasch, Manfred; Maas, Jacques (Eds.) Das Thomas-Verfahren in Europa. Entstehung – Entwicklung – Ende (2009)

Auf dem Feld der Thomas-Stahlforschung bestanden zwischen 1901 und 1918 besondere Voraussetzungen für eine enge Wechselwirkung zwischen der Technischen Hochschule Aachen und dem Aachener Hütten-Aktien ... [more ▼]

Auf dem Feld der Thomas-Stahlforschung bestanden zwischen 1901 und 1918 besondere Voraussetzungen für eine enge Wechselwirkung zwischen der Technischen Hochschule Aachen und dem Aachener Hütten-Aktien-Verein in Rothe Erde bei Aachen. Der 1901 nach Aachen berufene Professor Fritz Wüst betrieb mit Nachdruck die Verwissenschaftlichung der Eisenhüttenkunde. Zu seinem Programm gehörten experimentelle Feldstudien, Laborforschung und Theoriebildung. Das Hüttenwerk in Rothe Erde war bis 1918 einer der bedeutendsten deutschen Thomas-Stahlproduzenten. Die räumliche Nähe der beiden Institutionen und gute Kontakte des Betriebsdirektors Fritz Kintzlé zur Hochschule ließen eine fruchtbare Zusammenarbeit erwarten. Ein Blick auf die Beiträge des Aachener Eisenhüttenmännischen Instituts zur Verbesserung des Thomas-Verfahrens zeigt in der Folge jedoch ein anderes Bild. Zwar entstand 1907 mit der Doktorarbeit von Leo Laval eine wegweisende experimentelle Untersuchung des Thomas-Prozesses, jedoch resultierten daraus keine Impulse für weitergehende Forschungsvorhaben. Im Gegenteil – ausgehend von Lavals Arbeit, entwickelte Wüst die durchaus provokante These, dass das Thomas-Verfahren binnen kürze von den Herdfrischverfahren abgelöst werden würde. Dementsprechend fanden am Aachener Institut bis 1918 keine herausragenden Forschungen zum Thomas-Verfahren mehr statt. Zur Erklärung von Wüsts Haltung schließt der Beitrag mit der Deutung der Thomas-Stahlforschung als kulturelles Kampffeld im Sinne von Pierre Bourdieu. [less ▲]

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See detailAarbechter erzielen – les ouvriers racontent
Caregari, Laure UL; Sauer, Arnaud UL; Scuto, Denis UL

in Forum für Politik, Gesellschaft und Kultur in Luxemburg (2011), 305

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See detailAASA: locating the central administration of a subsidiary company which is part of a group of companies under Article 60 of Brussels I Regulation
Okoli, Chukwuma UL

in European Company Law (2015), 1

There is no definition of the term “central administration” under Article 60(1)(b) of Brussels I; and Article 60 of Brussels I does not make specific provisions for locating the central administration of ... [more ▼]

There is no definition of the term “central administration” under Article 60(1)(b) of Brussels I; and Article 60 of Brussels I does not make specific provisions for locating the central administration of a subsidiary company within a corporate group. English Courts in Anglo American South Africa Limited after a re-evaluation of the correctness of previous decisions by English judges on the subject of Article 60(1)(b), provided an autonomous interpretation of central administration, and sought to apply the concept of central administration in a “European way” to a subsidiary company within a corporate group. The author challenges the approach of English judges for not referring the question of how Article 60(1)(b) applies to corporate groups to the CJEU. [less ▲]

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See detailAb initio and semiempirical modeling of excitons and trions in monolayer TiS3
Torun, Engin UL; Sahin, H.; Chavez, A. et al

in Physical Review. B, Condensed Matter (2018), 98

We explore the electronic and the optical properties of monolayer TiS3, which shows in-plane anisotropy and is composed of a chain-like structure along one of the lattice directions. Together with its ... [more ▼]

We explore the electronic and the optical properties of monolayer TiS3, which shows in-plane anisotropy and is composed of a chain-like structure along one of the lattice directions. Together with its robust direct band gap, which changes very slightly with stacking order and with the thickness of the sample, the anisotropic physical prop- erties of TiS3 make the material very attractive for various device applications. In this study, we present a detailed investigation on the effect of the crystal anisotropy on the excitons and the trions of the TiS3 monolayer. We use many-body perturbation theory to calculate the absorption spectrum of anisotropic TiS3 monolayer by solving the Bethe-Salpeter equation. In parallel, we implement and use a Wannier-Mott model for the excitons that takes into account the anisotropic effective masses and Coulomb screening, which are obtained from ab initio calculations. This model is then extended for the investigation of trion states of monolayer TiS3. Our calculations indicate that the absorption spectrum of monolayer TiS3 drastically depends on the polarization of the incoming light, which excites different excitons with distinct binding energies. In addition, the binding energies of positively and the negatively charged trions are observed to be distinct and they exhibit an anisotropic probability density distribution. [less ▲]

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See detailAb initio approaches to Resonant Raman Spectroscopy of Transition Metal Dichalcogenides
Pereira Coutada Miranda, Henrique UL

Doctoral thesis (2017)

This thesis deals with the theory and simulation of resonant Raman spectroscopy in two-dimensional transition metal dichalcogenides. We present two different ab initio approaches. In the first, we ... [more ▼]

This thesis deals with the theory and simulation of resonant Raman spectroscopy in two-dimensional transition metal dichalcogenides. We present two different ab initio approaches. In the first, we calculate the Raman susceptibility tensor as a function of laser energy from the change of the dielectric susceptibility with atomic displacements. In the second, we formulate the Raman tensor in terms of time-dependent perturbation theory and calculate it using electron-light and electron-phonon coupling matrix elements obtained from density functional theory. We investigate the role of resonance, quantum interference and excitonic effects in the Raman spectra of single and triple-layer MoTe2. We compare our simulations with experimental results, explaining the dependence of the Raman intensities on the excitation energy. We demonstrate that the two approaches are formally and numerically equivalent in the adiabatic limit. In addition, the second approach allows to include the dynamical effects and captures a shift of the intensities with respect to the adiabatic case. This method is also more computationally efficient and is extended to include temperature effects using many-body perturbation theory. We have implemented both of these methods in a software package with interfaces to open source ab initio codes. Furthermore, we have developed web based tools to visualize excitonic states and phonon modes. [less ▲]

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See detailAb initio calculation of the G peak intensity of graphene: Laser-energy and Fermi-energy dependence and importance of quantum interference effects
Reichardt, Sven UL; Wirtz, Ludger UL

in Physical Review B (2017), 95(19), 195422

We present the results of a diagrammatic, fully ab initio calculation of the G peak intensity of graphene. The flexibility and generality of our approach enables us to go beyond the previous analytical ... [more ▼]

We present the results of a diagrammatic, fully ab initio calculation of the G peak intensity of graphene. The flexibility and generality of our approach enables us to go beyond the previous analytical calculations in the low-energy regime. We study the laser and Fermi energy dependence of the G peak intensity and analyze the contributions from resonant and nonresonant electronic transitions. In particular, we explicitly demonstrate the importance of quantum interference and nonresonant states for the G peak process. Our method of analysis and computational concept is completely general and can easily be applied to study other materials as well. [less ▲]

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