cometadata/datacite-rtg-text-other-reclassification-records huggingface dataset:
Should policy makers trust composite indices? A commentary on the pitfalls of inappropriate indices for policy formation
Creators: name: Kaiser, Matthias
name: Chen, Andrew Tzer-Yeu
name: Gluckman, Peter
Publisher: name: arXiv
Year: 2020
Subjects: subject: Computers and Society (cs.CY)
subject: Other Statistics (stat.OT)
subject: FOS: Computer and information sciences

description: This paper critically discusses the use and merits of global indices, in particular, the Global Health Security Index or GHSI (Cameron et 2019) in times of an imminent crisis, like the current pandemic. The index ranked 195 countries according to their expected preparedness in case of a pandemic or other biological threat. The Covid-19 pandemic provides the background to compare each country's predicted performance from the GHSI with the actual performance. In general, there is an inverted relation between predicted versus actual performance, i.e. the predicted top performers are among those that are the worst hit. Obviously, this reflects poorly on the potential policy uses of the index in imminent crisis management. The paper also uses two different data sets, one from the Worldmeter on the spread of the Covid-19 pandemics, and the other one from the INGSA policy tracker, to make comparisons between the actual introduction of pandemic response policies and the corresponding death rate in 29 selected countries.
description: 19 pages, 2 tables, accepted for publication by Health Research Policy and Systems
Förderung auf der Basis des Erlebens Auswirkungen eines systemischen Unterrichtsprojektes auf ein geistig behindertes Mädchen mit einer Sprachentwicklungsstörung
Creators: name: Frommelt, Elisabeth
name: Monsch, Konradine
Publisher: name: Zenodo
Year: 2016
Subjects: Sonderpädagogik
Geistige Behinderung
Mädchen
Sprachentwicklungsstörung
Förderung
Masterarbeit

description: Das Entwicklungsprojekt erforschte, welche Auswirkungen ein Handlungsmodell basierend auf dem systemischen und interdisziplinären Inklusionskonzept „Empathie und Verstehen“ von Nicola Cuomo auf ein geistig behindertes Kind mit Sprachentwicklungsverzögerung und deren Heilpädagogin hat. Die Strategie bestand darin, zuerst den Kontext zu erforschen und wenn nötig zu verändern, wobei konsequent von den Ressourcen ausgegangen worden ist. Die Förderung erfasste die Autonomie, die Sozialisation und die Handlungskompetenz des Mädchens. In der mehrperspektivischen Aktionsforschung kam vor allem die Methode der Videoanalyse zur Anwendung. Als Indikatoren der dokumentierten Situationen und Prozesse dienten die Kategorien „Erdulden – Erleben“. Die Untersuchung von Mai bis November 2016 zeigte, dass sich das Handlungsmodell kompetenzerweiternd auf das Mädchen sowie ihre Heilpädagogin auswirkte.
More than mercenaries? : mercenaries, Sierra Leone, and the rise of private military companies
Creators: name: Coufal, Leonard
Publisher: name: University of British Columbia
Year: 2011

description: The rise of Private Military Companies (PMCs) in the mid 1990s suggests a significant threat to the states' traditional control of force. The impact of these companies on Africa has yet to be fully investigated, and their roots in Africa's mercenary past are often ignored or misunderstood. Sierra Leone's experience with three companies, Gurkha Security Guards (GSG), Executive Outcomes (EO), and Sandline International provides an ideal setting in which to both explore and pinpoint the transformation of freelance mercenaries into modern PMCs. At the center of this debate is Peter Singer's suggestion that modem PMCs are something more than mercenaries. Globalization, private authority, and legitimacy theories provide both guides to such a study and explanatory tools helpful in understanding this radical development. While most observers rightly conclude that such companies are not a direct threat to the state's central role in international relations, or to its control of force, they nonetheless suggest a significant realignment of international relations. EO's success in both Angola and Sierra Leone came amid the company's all-out bid for legitimacy as a private provider of security on the African continent and on the international scene as well. In the final analysis, PMCs did gain significant acceptance, authority, and legitimacy in Sierra Leone, but whether this will transfer to a future for mercenaries in Africa is not decided yet. Most indicators suggest that large-scale PMCs will return as security providers in Africa. Because of this, these companies are indeed more than mercenaries.
title: Monopolistic competition, idiosyncratic productivity and information constraints
Creators: name: Ziegler, Gabriel
Publisher: name: TU Wien
Year: 2014
Subjects: subject: Imperfect information
subject: idiosyncratic productivity
subject: rational inattention
subject: information theory
subject: aggregation
subject: welfare comparison

description: A firm might not have perfect information about its own productivity, because observing the true realization might be too costly in terms of op- portunity costs of attending to other sources of uncertainty. Building on Sims (1998, 2003), I use insights from information theory to study the be- havior of information constrained firms. The focus is on the informational friction on the firm side only. This allows analyzing the implications of imperfect information for individual firms. Additionally, a welfare analysis is conducted by solving a social planner's problem. Interestingly, a com- parison using approximations in log-deviations is not applicable, although such an approximation is often used in the literature. In the decentralized economy, output might not be maximized under full information. Further- more, the distortions due to monopolistic competition are increasing in the amount of information agents are allowed to process.
title: Religious objects and performance : testing the role of materiality
Creators: name: Whitehead, Amy Renee
Publisher: name: The Open University
Year: 2011

description: This thesis addresses the problematic nature of religious materiality in Western discourses, illustrated by its typical relegation to being representational instead of sensual, embodied or tangible. Two ethnographic accounts highlight the prominent role that materiality plays in vernacular religious contexts in contemporary England and Spain. With a focus on offerings and gift giving, the practices and performances that take place in relation to statue forms of Our Lady of Avalon (the Glastonbury Goddess) in her temple, and the Virgin of Alcala de los Gazules, Andalusia, in her shrine, exemplify an aspect of the lived, everyday reality of religion. In these contexts, in tension with religious doctrine, the relationships that take place between statues and devotees show that instead of being mere objects, statues of the Goddess and Virgin are subjective, relational participants in ceremony, rites and ritual, and they play central roles in how human relationships with the divine are maintained and negotiated. Using the discourses of animism and fetishism to test the role of materiality, this thesis further considers how making offerings to statues exemplifies a form of Western animism (different from Tylorean animism where alien spirits inhabit dead matter) where objects and subjects bring each other into coinspired, co-relational being through encounters. Here, 'subjecthood' is achieved through relationships and relational encounters, and a multiplicity of ontological possibilities emerge which challenge commonly accepted modem dualisms, i.e. subject/object, mind/matter.
Casimir effect in a dilute Bose gas in canonical ensemble within improved Hartree-Fock approximation
Creators: name: Van Thu, Nguyen
Publisher: name: arXiv
Year: 2020
Subjects: subject: Quantum Gases (cond-mat.quant-gas)
subject: FOS: Physical sciences

description: The Casimir effect in a dilute Bose gas confined between two planar walls is investigated in the canonical ensemble at zero temperature by means of Cornwall-Jackiw-Tomboulis effective action approach within the improved Hartree-Fock approximation. Our results show that: (i) the Casimir energy and the resulting Casimir force in the canonical ensemble remarkably differ from those in the grand canonical ensemble; (ii) when the distance between two planar walls increases, the Casimir energy and Casimir force decay in accordance with a half-integer power law in the canonical ensemble instead of an integer power law in the grand canonical ensemble.
Gli effetti della politica monetaria degli Stati Uniti sul mercato dell'eurodollaro.
Creators: name: BARATTIERI, V.
Publisher: name: Moneta e Credito
Year: 2014

description: La prima sezione dell’articolo descrive i tratti salienti della politica monetaria seguita dalla Riserva Federale nel 1969; la seconda esamina le fonti diverse dei depositi utilizzate dalle grandi banche e le contromisure adottate dalla Riserva Federale; la terza sezione analizza le ripercussioni degli acquisti di eurodollari sulla bilancia dei pagamenti degli Stati Uniti; la quarta studia gli effetti sul mercato dell’eurodollaro delle misure monetarie restrittive adottate negli Stati Uniti e contiene un breve esame della proposto di Kindleberger per una politica monetaria mondiale e della proposta di Bernstein per interventi coordinati delle autorità monetarie sui mercati dei cambi a termine; la quinta sezione suggerisce l’introduzione di riserve obbligatorie flessibili sugli acquisti di eurodollari allo scopo di assicurare ai vari paesi quella indipendenza monetaria che è stata seriamente intaccata nel corso del 1969.
description: Moneta e Credito, V. 23, N. 90 (1970)
Comparison of electron-nucleus quasi-elastic cross sections using spectral functions with (e,e') data from 0.5 GeV to 1.5 GeV and effects on neutrino quasi-elastic cross sections
Creators: name: Nakamura, Hiroki
name: Seki, Ryoichi
name: Sakuda, Makoto
Publisher: name: arXiv
Year: 2004
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We carry out a relativistic calculation of the cross sections of electron-16O and -12C quasi-elastic scattering and quasi-free Delta production and compare with the (e,e') data systematically in the wide energy range of 0.5 - 1.5 GeV. Using the same formalism, we examine the mu-neutrino quasi-elastic scattering from 16O. The model incorporating the nuclear correlation effects agrees better with the electron-nucleus scattering data than a uniform Fermi-Gas model. In the neutrino quasi-elastic scattering, the nuclear correlation has an appreciable effect on the cross section of high-energy scattered leptons, and it may have an important consequence in the neutrino oscillation measurements aiming at a few % precision.
description: 7 pages, to be published in the Proceedings of The Third International Workshop on Neutrino-Nucleus Interactions in the Few GeV Region (NuInt04)
title: Oligopolistic pricing with heterogeneous firms and sequential consumer search
Creators: name: Satdarov, Alexander
Publisher: name: TU Wien
Year: 2014
Subjects: subject: Consumer Search
subject: Oligopoly
subject: Price dispersion

description: Two types of stores compete by choosing prices for a homogeneous good with constant marginal costs. The first type is in charge of two prices, while the second type is a regular firm that chooses one price. Consumers search sequentially with perfect recall. Some consumers have zero search costs, and some of them get first price quotation for free then incur positive search costs for each next price drawn. We examine whether the firrm of the first type can exploit its additional market power and compete for both types of consumers simultaneously by setting different prices and creating a price dispersion in equilibrium. Three types of equilibria are considered, which fully exhaust the parameter space. In all types of equilibria, the presence of the firm of the first type leads to uniformly higher profits for both firm types of firms when compared with the Stahl(1989) model in which all firms are identical. Furthermore, being a regular firm is beneficial for some parameter values in terms of higher profits.
A 2D analysis of percolation and filamentarity in the SDSS DR1
Creators: name: Pandey, Biswajit
name: Bharadwaj, Somnath
Publisher: name: arXiv
Year: 2004
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: We have used the Largest Cluster Statistics and the Average Filamentarity to quantify respectively the connectivity and the shapes of the patterns seen in the galaxy distribution in two volume limited subsamples extracted from the equatorial strips of the Sloan Digital Sky Survey (SDSS) Data Release One (DR1). The data was projected onto the equatorial plane and analyzed in two dimensions (2D). Comparing the results with Poisson point distributions at various levels of smoothing we find evidence for a network like topology with filaments being the dominant patterns in the galaxy distribution. With increasing smoothing, a transition from many individual filamentary structures to an interconnected network is found to occur at a filling factor 0.5-0.6. We have tested the possibility that the connectivity and the morphology of the patterns in the galaxy distribution may be luminosity dependent and find significant evidence for a luminosity-morphology relation, the brighter galaxies exhibiting lowers levels of connectivity and filamentarity compared to the fainter ones. Using a statistical technique, Shuffle, we show that the filamentarity in both the SDSS strips is statistically significant up to 80 Mpc/h but not beyond. Larger filaments, though identified, are not statistically significant. Our findings reaffirm earlier work establishing the filaments to be the largest known statistically significant coherent structures in the universe.
description: 12 pages, 8 figures, New references added, Accepted to MNRAS
Damping of electromagnetic waves due to electron-positron pair production
Creators: name: Bulanov, S. S.
name: Fedotov, A. M.
name: Pegoraro, F.
Publisher: name: arXiv
Year: 2004
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: The problem of the backreaction during the process of electron-positron pair production by a circularly polarized electromagnetic wave propagating in a plasma is investigated. A model based on the relativistic Boltzmann-Vlasov equation with a source term corresponding to the Schwinger formula for the pair creation rate is used. The damping of the wave, the nonlinear up-shift of its frequency due to the plasma density increase and the effect of the damping on the wave polarization and on the background plasma acceleration are investigated as a function of the wave amplitude.
description: 11 pages, 5 figures; revtex4
Dualismo e integrazione interna delle economie sottosviluppate.
Creators: name: MYINT, H.
Publisher: name: Moneta e Credito
Year: 2014
Subjects: subject: Economic dualism, less developed, underdeveloped countries, policy, traditional sector, capital, foreign exchange
subject: F31, E22, O20, O38

description: The work re-examines the nature and causes of economic dualism in the underdeveloped countries and considers some of its implications for development policy. Dualism may be defined as the co-existence of a “modern” sector and a “traditional” sector within the domestic economic framework of a country. Existing theories attempt to explain the differences between the two sectors in terms of sociological and technological factors. In contrast, the author argues that the most significant aspect of economic dualism as it exists in the present-day underdeveloped countries is that scarce inputs such as capital funds, foreign exchange and public economic facilities are being made available on excessively favourable terms to the larger units in the modern sector, and on excessively unfavourable terms to the small economic units in the traditional sector. This interpretation emphasises the importance of domestic policies to promote integration by removing the causes of unequal access to scarce economic resources. JEL: F31, E22, O20, O38
description: Moneta e Credito, V. 23, N. 91 (1970)
title: Unison, workplace learning and enhancing learning network theory : a case study
Creators: name: Gibbs, Elizabeth Stephanie
Publisher: name: The Open University
Year: 2010

description: Following a review of the UK's long term skill requirements in 2006 (Leitch 2006), the government has been looking at ways to increase the UK's skills base through employer engagement in training and education. Trade unions and higher education institutions have had a vital role in this process through the establishment of a wide variety of collaborative projects aimed at enhancing basic, intermediate and higher skills. One example of such a partnership is the Learning Partnership Route (LPR) to Social Work qualification. Whilst a number of authors have detailed the role of trade unions in work-based learning partnerships with public sector organisations, including in social care (see, for example, Sutherland and Rainbird 2000), there is a shortage of academic literature relating specifically to UNISON's role in informal learning in these organisations.

 This research study uses a case study method applying a critical realist approach, to look in depth at one social care organisation in which the LPR was run. The key theory utilised for data analysis is the Learning Network Theory (LNT) (Poell et al 2000). The LNT is one theory which has been put forward to describe organisational learning in the literature and uses the actors, structures and processes to interpret and describe how learning is organised.

The case study findings revealed how Unison's trusting relationship with the social care employer and their coherent notion of the concept of a learning organisation, enabled them to become involved in both formal and informal aspects of workplace learning. Evidence is also presented to critique and enhance the LNT, extending the LNT to incorporate the concepts of formal and informal learning.
Quiescent X-ray emission from an evolved brown dwarf ?
Creators: name: Stelzer, B.
Publisher: name: arXiv
Year: 2004
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: I report on the X-ray detection of Gl569Bab. During a 25ksec Chandra observation the binary brown dwarf is for the first time spatially separated in X-rays from the flare star primary Gl569A. Companionship to Gl569A constrains the age of the brown dwarf pair to ~300-800 Myr. The observation presented here is only the second X-ray detection of an evolved brown dwarf. About half of the observing time is dominated by a large flare on Gl569Bab, the remainder is characterized by weak and non-variable emission just above the detection limit. This emission -- if not related to the afterglow of the flare -- represents the first detection of a quiescent corona on a brown dwarf, representing an important piece in the puzzle of dynamos in the sub-stellar regime.
description: to appear in ApJL
Wer hilft mir meinen Weg zu finden? Gefährdete Jugendliche im Spannungsfeld zwischen Schule und Berufsausbildung
Creators: name: Brunner, Monika
Publisher: name: Zenodo
Year: 2016
Subjects: Sonderpädagogik
Jugend
Berufsausbildung
Masterarbeit

description: Timeout-Angebote unterstützen junge Menschen durch ausgewählte Konzepte und versuchen einen drohenden Schulausschluss zu verhindern. Auf der Sekundarstufe I arbeiten einige Schulen eng mit Betrieben zusammen und ermöglichen den Jugendlichen dadurch, Erfahrungen in der Berufswelt zu machen. Die vorliegende Arbeit untersucht Risiko- und Schutzfaktoren im Übergang von der Schule in die Berufsausbildung gefährdeter Jugendlicher und prüft, wie andere Timeout-Schulen die Berufspraktika in ihr Konzept integrieren. Anhand von Literaturrecherche wurden mittels Leitfadeninterview und Kurzfragebogen Schulleitungen befragt und in ihren Aussagen mit dem Angebot der Timeout-Schule Chur verglichen. Es konnte festgestellt werden, dass Berufspraktika die Eingliederung in die Berufswelt erleichtern und den Jugendlichen neue Perspektiven für ihre Zukunft aufzeigen.
The Impact of Fat Contents and Different Cooking Processes on the Potential Health Concerns of Polycyclic Aromatic Hydrocarbons in Chicken Doner Kebabs
Creators: name: Karslıoğlu, Betül
name: Kolsarıcı, Nuray
Publisher: name: Taylor & Francis
Year: 2024
Subjects: subject: Biochemistry
subject: Medicine
subject: Cell Biology
subject: Environmental Sciences not elsewhere classified
subject: Chemical Sciences not elsewhere classified
subject: Ecology
subject: FOS: Biological sciences
subject: Immunology
subject: FOS: Clinical medicine
subject: Biological Sciences not elsewhere classified

description: This study investigated the effects of different fat contents and cooking techniques on the presence of PAHs in chicken doner kebabs, as well as the dietary exposure and potential health risks for the Turkish population. The methodology for the detection and quantification of 16 PAH compounds in chicken doner samples using high-performance liquid chromatography (HPLC-UV) was validated. The limit of detection (LOD), quantification (LOQ), recovery, and relative standard deviation (RSD) were found to be 0.44%–1.14%, 1.45%–3.56%, 63.12%–101.50%, and 0.14%–3.16%, respectively. Our findings revealed that, among the analyzed compounds, BaA was the most dominant PAH compound, and that the charcoal cooking technique resulted in the highest accumulation of both BaP and PAH4 concentrations in chicken doner kebabs. Additionally, a significant increase in PAH levels was observed in relation to higher fat content. Moreover, it was found that the estimated daily intake (EDI) of BaP and PAH4 was higher in charcoal-grilled, well-done, high-fat chicken doner samples. As a result, the fact that the Margin of Exposure (MOE) values calculated for chicken doner samples across the Turkish population are above 10,000 indicates a low level of concern.
Intensity Scan Context: Coding Intensity and Geometry Relations for Loop Closure Detection
Creators: name: Wang, Han
name: Wang, Chen
name: Xie, Lihua
Publisher: name: arXiv
Year: 2020
Subjects: subject: Robotics (cs.RO)
subject: Computer Vision and Pattern Recognition (cs.CV)
subject: FOS: Computer and information sciences

description: Loop closure detection is an essential and challenging problem in simultaneous localization and mapping (SLAM). It is often tackled with light detection and ranging (LiDAR) sensor due to its view-point and illumination invariant properties. Existing works on 3D loop closure detection often leverage the matching of local or global geometrical-only descriptors, but without considering the intensity reading. In this paper we explore the intensity property from LiDAR scan and show that it can be effective for place recognition. Concretely, we propose a novel global descriptor, intensity scan context (ISC), that explores both geometry and intensity characteristics. To improve the efficiency for loop closure detection, an efficient two-stage hierarchical re-identification process is proposed, including a binary-operation based fast geometric relation retrieval and an intensity structure re-identification. Thorough experiments including both local experiment and public datasets test have been conducted to evaluate the performance of the proposed method. Our method achieves higher recall rate and recall precision than existing geometric-only methods.
description: Accepted in International Conference on Robotics and Automation (ICRA) 2020
Entering the Era of Dark Matter Astronomy? Near to Long-Term Forecasts in X-Ray and Gamma-Ray Bands
Creators: name: Zhong, Dawei
name: Valli, Mauro
name: Abazajian, Kevork N.
Publisher: name: arXiv
Year: 2020
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We assess Galactic Dark Matter (DM) sensitivities to photons from annihilation and decay using the spatial and kinematic information determined by state-of-the-art simulations in the Latte suite of Feedback In Realistic Environments (FIRE-2). For kinematic information, we study the energy shift pattern of DM narrow emission lines predicted in FIRE-2 and discuss its potential as DM-signal diagnosis, showing for the first time the power of symmetric observations around $l=0^{\circ}$. We find that the exposures needed to resolve the line separation of DM to gas by XRISM at $5σ$ to be large, $\gtrsim 4$ Ms, while exposures are smaller for Athena ($\lesssim 50$ ks) and Lynx ($\lesssim 100$ ks). We find that large field-of-view exposures remain the most sensitive methods for detection of DM annihilation or decay by the luminosity of signals in the field of view dominating velocity information. The $\sim$4 sr view of the Galactic Center region by the Wide Field Monitor (WFM) aboard the eXTP mission will be highly sensitive to DM signals, with a prospect of $\sim 10^5$ to $10^6$ events from the 3.5 keV line in a 100 ks exposure, with the range dependent on photon acceptance in WFM's field of view. We also investigate detailed all-sky luminosity maps for both DM annihilation and decay signals - evaluating the signal-to-noise for a DM detection with realistic X-ray and gamma-ray backgrounds - as a guideline for what could be a forthcoming era of DM astronomy.
description: 18 pages, 12 figures, 1 table. Estimate for eXTP S/N revised, typo on Athena exposure corrected, text improved
Boson-Fermion coherence in a spherically symmetric harmonic trap
Creators: name: Miyakawa, Takahiko
name: Meystre, Pierre
Publisher: name: arXiv
Year: 2004
Subjects: subject: Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
subject: FOS: Physical sciences

description: We consider the photoassociation of a low-density gas of quantum-degenerate trapped fermionic atoms into bosonic molecules in a spherically symmetric harmonic potential. For a dilute system and the photoassociation coupling energy small compared to the level separation of the trap, only those fermions in the single shell with Fermi energy are coupled to the bosonic molecular field. Introducing a collective pseudo-spin operator formalism we show that this system can then be mapped onto the Tavis-Cummings Hamiltonian of quantum optics, with an additional pairing interaction. By exact diagonalization of the Hamiltonian, we examine the ground state and low excitations of the Bose-Fermi system, and study the dynamics of the coherent coupling between atoms and molecules. In a semiclassical description of the system, the pairing interaction between fermions is shown to result in a self-trapping transition in the photoassociation, with a sudden suppression of the coherent oscillations between atoms and molecules. We also show that the full quantum dynamics of the system is dominated by quantum fluctuations in the vicinity of the self-trapping solution.
description: 16 pages, 14 figures
Domanda estera e fattori interni nell'espansione delle esportazioni dei paesi sottosviluppati.
Creators: name: KRAVIS, I.B.
Publisher: name: Moneta e Credito
Year: 2014
Subjects: subject: Less developed countries, world trade, exports, growth, development
subject: O40, F10, F43

description: One interesting and important issue in the trade-development area arises out of the failure of the exports of less developed countries (LDCs) to keep pace with the expansion of world trade since the end of World War II. The question is to what extent this failure can be attributed to factors that are internal to the economies of the LDC and to what degree external demand conditions are responsible. In this paper, the author brings together the available evidence on this question and explores some possible further avenues. Since exports are hardly an end in themselves, the relation of exports to economic growth is also examined. JEL: O40, F10, F43
description: Moneta e Credito, V. 23, N. 91 (1970)
title: A collaborative design process for educational digital resources in African higher education
Creators: name: Ngimwa, Pauline Gachaki
Publisher: name: The Open University
Year: 2012

description: Within Africa, access to digital library systems is critical in supporting higher level teaching, learning and research. Currently there is a high demand with inadequate resources which often produces poorly supported learning outcomes. The effectiveness of current resources is further limited by poor design processes, which is worsened by stakeholders (academics, e-learning technologists and digital librarians and designers) often working in isolation. Ultimately, designed resources become less user-centred and sustainable. This thesis sought to provide empirically developed collaborative design process guidance for design stakeholders developing educational digital resources within African higher education.

Following a Human Computer Interaction research approach, eleven best practice digital library projects identified from three case studies of African universities (in Kenya, Uganda and South Africa) were investigated. Data was drawn from interviews, observations and an examination of documents.

This investigation identified three interrelated factors that impacted on the design process (i. e. human relationships, innovative technologies and policies). The human relationships factor comprised multidisciplinary design stakeholders and included a subset i. e. design champions (multidisciplinary and domain champions) whose role changed the facilitation and eventual output of the other stakeholders in the design process. The multidisciplinary champions took on a participatory approach to engagement while the domain champions assumed an approach that was less engaging. The innovative technologies factor comprised universal technologies and `flexible' technologies (i. e. Web 2.0 applications and the Open Source Software) which supported the design process and enhanced user-centeredness and sustainability of the projects. Existing institutional and national policies supported stakeholder collaboration and application of the innovative technologies. The absence of any of these factors in the digital library projects weakened the design process and reduced effectiveness of digital resources.

These three factors have been used to develop the Collaborative Educational Resources Design (CERD) process model as a guidance tool to support multidisciplinary design stakeholders indesigning effective digital resources.
Incomplete Descriptor Mining with Elastic Loss for Person Re-Identification
Creators: name: Tan, Hongchen
name: Bian, Yuhao
name: Wang, Huasheng
name: Liu, Xiuping
name: Yin, Baocai
Publisher: name: arXiv
Year: 2020
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: FOS: Computer and information sciences

description: In this paper, we propose a novel person Re-ID model, Consecutive Batch DropBlock Network (CBDB-Net), to capture the attentive and robust person descriptor for the person Re-ID task. The CBDB-Net contains two novel designs: the Consecutive Batch DropBlock Module (CBDBM) and the Elastic Loss (EL). In the Consecutive Batch DropBlock Module (CBDBM), we firstly conduct uniform partition on the feature maps. And then, we independently and continuously drop each patch from top to bottom on the feature maps, which can output multiple incomplete feature maps. In the training stage, these multiple incomplete features can better encourage the Re-ID model to capture the robust person descriptor for the Re-ID task. In the Elastic Loss (EL), we design a novel weight control item to help the Re-ID model adaptively balance hard sample pairs and easy sample pairs in the whole training process. Through an extensive set of ablation studies, we verify that the Consecutive Batch DropBlock Module (CBDBM) and the Elastic Loss (EL) each contribute to the performance boosts of CBDB-Net. We demonstrate that our CBDB-Net can achieve the competitive performance on the three standard person Re-ID datasets (the Market-1501, the DukeMTMC-Re-ID, and the CUHK03 dataset), three occluded Person Re-ID datasets (the Occluded DukeMTMC, the Partial-REID, and the Partial iLIDS dataset), and a general image retrieval dataset (In-Shop Clothes Retrieval dataset).
description: Acceped by IEEE Transactions on Circuits and Systems for Video Technology (TCSVT)
Comparing the temperatures of galaxy clusters from hydro-N-body simulations to Chandra and XMM-Newton observations
Creators: name: Mazzotta, P.
name: Rasia, E.
name: Moscardini, L.
name: Tormen, G.
Publisher: name: arXiv
Year: 2004
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: Theoretical studies of the physical processes in clusters of galaxies are mainly based on the results of numerical simulations, which in turn are often directly compared to X-ray observations. Although trivial in principle, these comparisons are not always simple. We show that the projected spectroscopic temperature of clusters obtained from X-ray observations is always lower than the emission-weighed temperature. This bias is related to the fact that the emission-weighted temperature does not reflect the actual spectral properties of the observed source. This has implications for the study of thermal structures in clusters, especially when strong temperature gradients, like shock fronts, are present. In real observations shock fronts appear much weaker than what is predicted by emission-weighted temperature maps. We propose a new formula, the spectroscopic-like temperature function that better approximates the spectroscopic temperature, making simulations more directly comparable to observations
description: 4 pages, 7 color figures, to appear in the proceedings of the XXXIXth Rencontres de Moriond "Exploring the Universe", La Thuile, Italy, March 28-April 4, 2004
La svalutazione del marco finlandese nel 1967.
Creators: name: MATTSON, G.
Publisher: name: Moneta e Credito
Year: 2014
Subjects: subject: Finland, Finnish mark, devaluation, balance of payments deficit, growth, employment, price stability
subject: F32, E31, E24, E41

description: Criticism of the adjustable peg system of international payments is mounting and well-known economists have gone as far as to deny that devaluation can have positive results in the modern world. Accordingly, the present article examines the latest devaluation of the Finnish mark which took place in October 1967 and was by about 24 percent. After briefly touching on the factors which led to Finland’s serious balance-of-payments deficit, the author discusses the main components in the measures which accompanied the devaluation, with particular attention to the “sliding” export levy and the incomes policy. The results obtained by the end of 1969 in terms of growth, employment, external balance and price stability are then described and the reasons for the apparent short-term success of this experiment are evaluated. JEL: F32, E31, E24, E41
description: Moneta e Credito, V. 23, N. 91 (1970)
From Eurafrica to multilateralism : the Europeanization of France's Africa policy
Creators: name: Iverson, Andrew Wesley Pascal
Publisher: name: University of British Columbia
Year: 2011

description: This paper explores the forces driving the far-reaching changes in French Africa policy over the past fifty years. Why has France's Africa policy changed? How has France's position within the EU affected these changes? Has French Africa policy "Europeanized"? After placing my approach in the context of the wider field of Europeanization research, this paper explores exceptionalism in French colonial policy and discusses its legacy in the EC's early Africa policy. I will demonstrate that in the first years of EC policy, France managed to impose its national agenda on the EC level. I then show that this changed by the mid-1970s as the EC gained a strengthened identity in the area of development policy. Based on analysis of changes in military policy, political discourse styles, and institutions, this paper will show that EC development policy has significantly shaped the context of France's current policy in Africa.
Investigating the connection between gamma-ray activity and relativistic jet in 3C273 during 2015-2019
Creators: name: Kim, Dae-Won
name: Trippe, Sascha
name: Kravchenko, Evgeniya V.
Publisher: name: arXiv
Year: 2020
Subjects: subject: High Energy Astrophysical Phenomena (astro-ph.HE)
subject: FOS: Physical sciences

description: Due to its powerful radiation over the entire electromagnetic spectrum and its radio jet activity, the blazar 3C273 offers the opportunity to study the physics of $γ$-ray emission from active galactic nuclei. Since a historically strong outburst in 2009, 3C273 showed relatively weak emission in the gamma-ray band over multiple years. However, recent Fermi-Large Area Telescope observations indicate elevated activity during 2015-2019. We aim at constraining the origin of the gamma-ray outbursts towards 3C273 and investigate their connection to the parsec-scale jet. We generate Fermi-LAT gamma-ray light curves with multiple binning intervals and study the spectral properties of the gamma-ray emission. Using a 3-mm ALMA light curve, we study the correlation between radio and gamma-ray emission. Relevant activity in the parsec-scale jet of 3C273 is investigated with 7-mm VLBA observations obtained close in time to notable gamma-ray outbursts. We find two prominent gamma-ray outbursts in 2016 (MJD 57382) and 2017 (MJD 57883) accompanied by mm-wavelength flaring activity. The gamma-ray photon index time series show a weak hump-like feature around the gamma-ray outbursts. The monthly gamma-ray flux-index plot indicates a transition from softer-when-brighter to harder-when-brighter at $1.03\times10^{-7}\rm\,ph\,cm^{-2}\,s^{-1}$. A significant correlation between the gamma-ray and mm-wavelength emission is found, with the radio lagging the gamma-rays by about 105-112 days. The 43-GHz jet images reveal the known stationary features (i.e., the core, S1, and S2) in a region upstream of the jet. We find indication for a propagating disturbance and a polarized knot between the stationary components around the times of both gamma-ray outbursts.
description: 14 pages, 11 figures, 3 tables. To appear in A&A (submitted: 2020 January 10; accepted: 2020 March 5)
Mass and Decay Constant of $I=1/2$ Scalar Meson In QCD Sum Rule
Creators: name: Du, Dong-Sheng
name: Li, Jing-Wu
name: Yang, Mao-Zhi
Publisher: name: arXiv
Year: 2004
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We calculate the mass and decay constant of $I=1/2$ scalar mesons composed of quark-antiquark pairs based on QCD sum rule. The quauk-antiquark pairs can be $s\bar{q}$ or $q\bar{s}$ ($q=u,d$) in quark model, the quantum numbers of spin and orbital angular momentum are S=1, L=1. We obtain the mass of the ground sate in this channel is $1.410\pm 0.049$GeV. This result favors that $K_{0}^{\ast}(1430)$ is the lowest scalar state of $s\bar{q}$ or $q\bar{s}$. We also predict the first excited scalar resonance of $s\bar{q}$ is larger than 2.0 GeV.
description: 14 pages, 5 figures, Latex, some content added
Problemi monetari e di cambio nel quadro dell'integrazione europea.
Creators: name: MASERA, F.
Publisher: name: Moneta e Credito
Year: 2014

description: L’articolo in sintesi sostiene che, sia pure concedendo che ogni valutazione di benefici e costi comporta un certo margine di giudizio di valore, sembra di poter rivelare che, in ogni caso di squilibrio di bilancia dei pagamenti dovuto a differenziali nei costi in rapporto alla produttività, variazioni graduali nel tempo della parità della moneta, appaiono come il minor male, tanto più se si considerano gli effetti negativi che, in termini di mancati incrementi di produttività, avrebbe la caduta degli investimenti, diretta conseguenza, quest0ultima, di politiche intese a ridurre il volume delle importazioni attraverso il rallentamento dell’attività produttiva.
description: Moneta e Credito, V. 23, N. 91 (1970)
Open Source Computer Vision-based Layer-wise 3D Printing Analysis
Creators: name: Petsiuk, Aliaksei L.
name: Pearce, Joshua M.
Publisher: name: arXiv
Year: 2020
Subjects: subject: Computer Vision and Pattern Recognition (cs.CV)
subject: FOS: Computer and information sciences

description: The paper describes an open source computer vision-based hardware structure and software algorithm, which analyzes layer-wise the 3-D printing processes, tracks printing errors, and generates appropriate printer actions to improve reliability. This approach is built upon multiple-stage monocular image examination, which allows monitoring both the external shape of the printed object and internal structure of its layers. Starting with the side-view height validation, the developed program analyzes the virtual top view for outer shell contour correspondence using the multi-template matching and iterative closest point algorithms, as well as inner layer texture quality clustering the spatial-frequency filter responses with Gaussian mixture models and segmenting structural anomalies with the agglomerative hierarchical clustering algorithm. This allows evaluation of both global and local parameters of the printing modes. The experimentally-verified analysis time per layer is less than one minute, which can be considered a quasi-real-time process for large prints. The systems can work as an intelligent printing suspension tool designed to save time and material. However, the results show the algorithm provides a means to systematize in situ printing data as a first step in a fully open source failure correction algorithm for additive manufacturing.
description: 29 pages, 19 figures
Next-to-leading-order predictions for D^{*+-} plus jet photoproduction at DESY HERA
Creators: name: Heinrich, Gudrun
name: Kniehl, Bernd A.
Publisher: name: arXiv
Year: 2004
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences

description: We study the photoproduction of a D^{*+-} meson in association with a hadron jet at next-to-leading order in the parton model of QCD with non-perturbative fragmentation functions extracted from LEP1 data of e^+e^- annihilation. The transverse-momentum and rapidity distributions recently measured at DESY HERA in various kinematic ranges nicely agree with our theoretical predictions. This provides a useful test of the universality and the scaling violations of the fragmentation functions predicted by the factorization theorem. These comparisons also illustrate the significance of the charm component in the resolved photon. This is elaborated by investigating the cross-section distributions in x_obs^gamma and cos(theta^*).
description: 20 pages, 10 figures
Presentation: Improvement of Open Journal System (OJS) to Optimize Journal Accreditation Score
Creators: name: Dwi Wahyuningrum
name: Nugraini, Lysa Dora Ayu
name: Oktavia Dewi Alfiani
name: Ediyanto
name: Agus Harjanto
Publisher: name: Zenodo
Year: 2022

description: This material has presented on 1st International Conference on Advance Research in Social and Economic Science. October 25, 2022
Interventi delle banche centrali sul mercato dei cambi a termine.
Creators: name: VERNUCCI, A.
Publisher: name: Moneta e Credito
Year: 2014

description: L’intervento sul mercato a termine da parte delle Banche Centrali per il sostegno del cambio a pronti e per la protezione delle riserve è uno strumento di indubbia e rapida efficacia perché crea condizioni obbiettive di profitto per stimolare gli effetti voluti. E’ invece assurdo il suo impiego in situazioni di debolezza di fondo pechè non si possono finanziare all’infinito disavanzi persistenti richiamando continuamente nuovi fondi e spostando nel tempo il regolamento degli impegni relativi ai precedenti afflussi, a prescindere dal fatto che i capitali a breve sono per loro natura non solo limitati ma anche reversibili
description: Moneta e Credito, V. 23, N. 91 (1970)
Collective behavior in nuclear interactions and shower development
Creators: name: Canoa, V.
name: Armesto, N.
name: Pajares, C.
name: Vazquez, R. A.
Publisher: name: arXiv
Year: 2004
Subjects: subject: Astrophysics (astro-ph)
subject: FOS: Physical sciences

description: The mechanism of hadronic interactions at very high energies is still unclear. Available accelerator data constrain weakly the forward rapidity region which determines the development of atmospheric showers. This ignorance is one of the main sources of uncertainty in the determination of the energy and composition of the primary in hadron-induced atmospheric showers. In this paper we examine the effect on the shower development of two kinds of collective effects in high-energy hadronic interactions which modify the production of secondary particles. The first mechanism, modeled as string fusion, affects strongly the central rapidity region but only slightly the forward region and is shown to have very little effect on the shower development. The second mechanism implies a very strong stopping; it affects modestly the profile of shower maximum but broadens considerably the number distribution of muons at ground. For the latter mechanism, the development of air showers is faster mimicking a heavier projectile. On the other hand, the number of muons at ground is lowered, resembling a shower generated by a lighter primary.
description: 17 pages, 10 figures
All-plus helicity off-shell gauge invariant multigluon amplitudes at one loop
Creators: name: Blanco, Etienne
name: van Hameren, Andreas
name: Kotko, Piotr
name: Kutak, Krzysztof
Publisher: name: arXiv
Year: 2020
Subjects: subject: High Energy Physics - Phenomenology (hep-ph)
subject: FOS: Physical sciences

description: We calculate one loop scattering amplitudes for arbitrary number of positive helicity on-shell gluons and one off-shell gluon treated within the quasi-multi Regge kinematics. The result is fully gauge invariant and possesses the correct on-shell limit. Our method is based on embedding the off-shell process, together with contributions needed to retain gauge invariance, in a bigger fully on-shell process with auxiliary quark or gluon line.
description: 20 pages; typos corrected, labels/normalization homogenized
Mezzoggiorno e obbiettivi globali.
Creators: name: CAMPOLONGO, A.
Publisher: name: Moneta e Credito
Year: 2014

description: Con un coefficiente di efficienza dell’investimento lordo al Mezzogiorno di non oltre 25% (corrispondente all’ingrosso al 30% sull’investimento netto) e con un reddito lordo al Mezzogiorno stesso nel 1970 dell’ordine di 12.500 M ( 23% della stima ISE per l’Italia intera), l’investimento darebbe luogo nel Mezzogiorno e nel 1971 ad un incremento del reddito lordo dell’ordine di 800 M, corrispondenti al saggio del 65%; e ad un saggio di incremento insensibilmente crescente negli anni seguenti.
description: Moneta e Credito, V. 23, N. 92 (1970)