bluuebunny/crossref_metadata_2025_split huggingface dataset:
Two bay crack arrest capability evaluation for metallic fuselage
Authors: Madhavi N , Saritha Rupavath 
Published: December 2018

Abstract
Transport aircraft is a highly complex structure. The aircraft fuselage shell is composed of stressed skin, longitudinal stringers, and circumferential frames. The skin is connected to the stringers and frames mostly by rivets. The fuselage has a number of riveted joints and is subjected to a major loading of differential internal pressurization. When the fuselage is pressurized and depressurized during each take-off and landing cycle of aircraft, the metal skin of fuselage expands and contracts to result in metal fatigue. Due to the presence of a large number of rivet holes, the fuselage skin has a large number of high-stress locations and these are locations of potential crack initiation. The wide-bodied transport aircraft are designed to tolerate large fatigue cracks. This project focuses attention on damage tolerance design of a fuselage structure of transport aircraft. In this project, the stress intensity factor, quantifying the intensity of the stress field around a crack tip for a longitudinal crack under the pressurization load is studied. The objective of this project is to investigate crack initiation, crack growth, fast fracture and crack arrest features in the stiffened panel. The longitudinal crack is initiated from the rivet hole and stress intensity factor is calculated using modified virtual crack closure integral (MVCCI) method at each stage of crack propagation. In order to arrest crack propagation which is the capital importance of tear straps are used, which prevent the further crack propagation. In this project, the linear static stress analysis of the stiffened panel of a fuselage is performed using MSC NASTRAN solver. The pre-processing of the model is done by using MSC PATRAN software.
Accuracy and epistemic conservatism
Authors: Steinberger Florian 
Published: December 2018

Abstract
Epistemic utility theory (EUT) is generally coupled with veritism. Veritism is the view that truth is the sole fundamental epistemic value. Veritism, when paired with EUT, entails a methodological commitment: norms of epistemic rationality are justified only if they can be derived from considerations of accuracy alone. According to EUT, then, believing truly has epistemic value, while believing falsely has epistemic disvalue. This raises the question as to how the rational believer should balance the prospect of true belief against the risk of error. A strong intuitive case can be made for a kind of epistemic conservatism – that we should disvalue error more than we value true belief. I argue that none of the ways in which advocates of veritist EUT have sought to motivate conservatism can be squared with their methodological commitments. Short of any such justification, they must therefore either abandon their most central methodological principle or else adopt a permissive line with respect to epistemic risk.
Simulated predation pressure in Pelobates cultripes tadpoles modulates morphology at the metamorphic stage
Authors: Zamora-Camacho Francisco Javier , Cortés-Manzaneque Susana , Aragón Pedro 
Published: December 2018

AbstractStudies on the impacts of variation of biotic interactions at key life cycle stages are crucial to understand the interface between ecological and developmental processes. Predators exert a major impact on prey fitness. Although direct consumption entails the greatest effect, predators can affect prey by means of other mechanisms. For instance, injuries inflicted by failed predation attempts can jeopardize prey fitness, even beyond the short-term. In anuran tadpoles, failed predation typically results in partial tail loss, which is known to reduce swimming speed. However, the potential consequences of tadpole partial tail loss after metamorphosis remain understudied. Because tail materials could be important in conforming metamorph body, we assess the effects of tadpole partial tail loss on metamorph body size in Iberian spadefoot toads Pelobates cultripes. We clipped 55% tail length of pre-tail-resorption stage anesthetized tadpoles, and compared their body size as metamorphs with anesthetized and non-anesthetized non-tail-clipped controls. Also, we tested whether tail length correlated with metamorph body size of individuals of the control groups. Tail-clipped tadpoles produced smaller metamorphs than both controls (the bdy size of metamorphs from both controls was similar), which could incur costs in mid-term survival or time to first reproduction. This effect could be particularly important in areas with introduced predators, if autochthonous tadpoles lack defenses against them. Results suggest that materials resorbed from tadpole tail tissues might be reallocated into metamorph body, according to the negative effect of shorter tails in a correlational analysis, and clipped tails in an experimental test, on metamorph body size.
Global crises and populism: the role of Eurozone institutions*
Authors: Guiso Luigi , Herrera Helios , Morelli Massimo , Sonno Tommaso 
Published: December 2018

SUMMARY
Populist parties are likely to gain consensus when mainstream parties and status quo institutions fail to manage the shocks faced by their economies. Institutional constraints, which limit the possible actions in the face of shocks, result in poorer performance and frustration among voters who turn to populist movements. We rely on this logic to explain the different support of populist parties among European countries in response to the globalization shock and to the 2008–11 financial and sovereign debt crisis. We predict a greater success of populist parties in response to these shocks in Eurozone (EZ) countries, and our empirical analysis confirms this prediction. This is consistent with voters’ frustration for the greater inability of the EZ governments to react to difficult-to-manage globalization shocks and financial crises. Our evidence has implications for the speed of construction of political unions. A slow, staged process of political unification can expose the European Union to a risk of political backlash if hard to manage shocks hit the economies during the integration process.
Usefulness of a job-exposure matrix ‘MADE’ as a decision tool for compensation of work-related musculoskeletal disorders
Authors: Fadel Marc , Valter Remi , Quignette Alexandre , Descatha Alexis 
Published: December 2018

Abstract
We aimed to assess the predictivity of the biomechanical job-exposure matrix ‘MADE’ using compensation data from the National Health Insurance for work-related disorders. Data were obtained from 2013 to 2015, area under curves (AUC), sensitivity, specificity and predictive values were calculated using compensation results as reference. We collected 163 128 cases data. AUC ranged from 0.64 for shoulders disorder to 0.82 for knee disorders. If two thresholds were considered, 28.7% of the sample fit under or over those. The matrix showed a fair predictivity. Such matrix cannot replace expertise but might be a tool used for improving compensation process.
Two Visions of Greatness: Roleplay and Realpolitik in UK Strategic Posture
Authors: Blagden David 
Published: December 2018

AbstractHow do states’ desires to perform an international-societal role interact with the imperative to safeguard their security in an anarchic international system? Using the case of the contemporary United Kingdom, this article explores the tensions between roleplay and realpolitik—gaining social recognition as a particular kind of state while doing what it takes to survive—through one key role conception, “Great Power.” Recent scholarship has dubbed Britain a “residual Great Power”: lacking the wherewithal to impose regional order through preponderance, it is still cast into the role of militarized international order-upholder by the allies whose support is necessary for such role-sustainment, America and France. Yet this role-based approach sets a different threshold on capability than the requirement to undertake survival-essential military missions, independent of potentially unreliable allies’ charity—realists’ understanding of “great power.” Theoretically, therefore, the article demonstrates that roleplay and realpolitik remain separate incentive structures underlying states’ foreign policy choices. Empirically, meanwhile, the article shows—through opportunity-cost force-posture analysis—that contemporary Britain is torn between the logics. Striving for independent self-protection capabilities, above-and-beyond the “residual power” criterion, London nonetheless makes a residual power's implicit assumptions about alliance support in the deployment of those capabilities.
Institutional and Individual Factors Affecting Health and Employment for Low-Income Women With Chronic Health Conditions
Authors: Carolan Kelsi , Gonzales Ernest , Lee Kathy , Harootyan Robert A 
Published: December 2018

AbstractObjectivesThis qualitative study explored risk and protective factors affecting employment and health among low-income older women with chronic health conditions or physical disabilities.MethodsThe authors conducted a secondary data analysis of 14 intensive interviews with low-income older women with chronic health conditions who had participated in a federally funded training and employment program for workers aged 55 and older. Qualitative data were analyzed using thematic analysis.ResultsThe physical nature of the work and discrimination were risk factors, with unaccommodating work environments, ageism, and/or ableism, and internalized ageism identified as subthemes of discrimination. Protective factors, namely institutional supports (e.g., access to retraining, time management flexibility) enhanced health and self-confidence. Occupational demands matched with the capacity of the individual resulted in continued employment and improved health.DiscussionWorking conditions can degrade health through exposure to mental and physical health risks, or support health through access to financial and interpersonal resources. Institutional supports such as workplace flexibility and retraining are crucial to obtaining a good fit between occupational demands and the capacity of individuals, enabling a positive relationship between employment and health. Legislation designed to prevent discrimination, enhance opportunities for lifelong learning, and encourage flexible work arrangements among low-income women with chronic health conditions may facilitate healthier working lives.
Cost-effective assembly of the African wild dog (Lycaon pictus) genome using linked reads
Authors: Armstrong Ellie E , Taylor Ryan W , Prost Stefan , Blinston Peter , van der Meer Esther , Madzikanda Hillary , Mufute Olivia , Mandisodza-Chikerema Roseline , Stuelpnagel John , Sillero-Zubiri Claudio , Petrov Dmitri 
Published: December 2018

Abstract

Background
A high-quality reference genome assembly is a valuable tool for the study of non-model organisms. Genomic techniques can provide important insights about past population sizes and local adaptation and can aid in the development of breeding management plans. This information is important for fields such as conservation genetics, where endangered species require critical and immediate attention. However, funding for genomic-based methods can be sparse for conservation projects, as costs for general species management can consume budgets.

Findings
Here, we report the generation of high-quality reference genomes for the African wild dog (Lycaon pictus) at a low cost (&lt;$3000), thereby facilitating future studies of this endangered canid. We generated assemblies for three individuals using the linked-read 10x Genomics Chromium system. The most continuous assembly had a scaffold and contig N50 of 21 Mb and 83 Kb, respectively, and completely reconstructed 95% of a set of conserved mammalian genes. Additionally, we estimate the heterozygosity and demographic history of African wild dogs, revealing that although they have historically low effective population sizes, heterozygosity remains high.

Conclusions
We show that 10x Genomics Chromium data can be used to effectively generate high-quality genomes from Illumina short-read data of intermediate coverage (~25x–50x). Interestingly, the wild dog shows higher heterozygosity than other species of conservation concern, possibly due to its behavioral ecology. The availability of reference genomes for non-model organisms will facilitate better genetic monitoring of threatened species such as the African wild dog and help conservationists to better understand the ecology and adaptability of those species in a changing environment.
Implementation and enforcement of smoke-free policies in public housing
Authors: Kegler Michelle C , Lea Jaimie , Lebow-Skelley Erin , Lefevre Adrienne M , Diggs Pam , Haard�rfer Regine 
Published: December 2018

Abstract
Smoke-free policies such as those required by the US Department of Housing and Urban Development have the potential to reduce persistent income-related disparities in secondhand smoke exposure. To understand the implementation and enforcement process, as well as barriers and facilitators to compliance and enforcement, we conducted semi-structured interviews (n=37) with representatives from 23 Public Housing Authorities (PHAs) with some level of smoking restriction in place, along with residents from 14 of these PHAs, from January to August 2016. Residents were typically notified of the new policy through group meetings, new resident orientations and/or one-on-one discussions during lease renewal or annual recertification. Timing of implementation varied, with advanced notice of 6 months or a year most common. Enforcement typically involved a series of verbal and/or written warnings, followed by written notice of lease violation, and eventual notice of lease termination and/or eviction. Challenges in enforcement were generally classified as monitoring difficulties or legal concerns. Characterizing current practices (e.g. advance notice, clear communication of escalating consequences, cessation support and concrete evidence of violation) from early adopters sets the stage for identifying best practices and helps to ensure successful and fair implementation of smoke-free policies in subsidized housing.
A Note on the Dimension of the Largest Simple Hecke Submodule
Authors: Bettin Sandro , Perret-Gentil Corentin , Radziwiłł Maksym 
Published: December 2018

Abstract
For $k\geq 2$ even, let $d_{k,N}$ denote the dimension of the largest simple Hecke submodule of $S_{k}(\Gamma _0(N); {\mathbb{Q}})^{\textrm{new}}$. We show, using a simple analytic method, that $d_{k,N} \gg _k \log \log N / \log (2p)$ with $p$, the smallest prime co-prime to $N$. Previously, bounds of this quality were only known for $N$ in certain subsets of the primes. We also establish similar (and sometimes stronger) results concerning $S_{k}(\Gamma _0(N), \chi )$, with $k \geq 2$ an integer and $\chi $ an arbitrary nebentypus.
Spectral Data for Spin Higgs Bundles
Authors: Mukhopadhyay Swarnava , Wentworth Richard 
Published: December 2018

Abstract
In this paper we determine the spectral data parametrizing Higgs bundles in a generic fiber of the Hitchin map for the case where the structure group is the special Clifford group with fixed Clifford norm. These are spin and “twisted” spin Higgs bundles. The method used relates variations in spectral data with respect to the Hecke transformations for orthogonal bundles introduced by Abe. The explicit description also recovers a result from the geometric Langlands program, which states that the fibers of the Hitchin map are the dual abelian varieties to the corresponding fibers of the moduli spaces of projective orthogonal Higgs bundles (in the even case) and projective symplectic Higgs bundles (in the odd case).
Differential Pathogen-Specific Immune Reconstitution in Antiretroviral Therapy-Treated Human Immunodeficiency Virus-Infected Children
Authors: Muenchhoff Maximilian , Adland Emily , Roider Julia , Kløverpris Henrik , Leslie Alasdair , Boehm Stephan , Keppler Oliver T , Ndung’u Thumbi , Goulder Philip J R 
Published: December 2018

Abstract

Background
Susceptibility to coinfections in human immunodeficiency virus (HIV)-infected patients remains increased despite antiretroviral therapy (ART). To elucidate mechanisms involved in immune reconstitution, we studied immune activation, immune exhaustion, and HIV- and copathogen-specific T-cell responses in children before and after ART.

Methods
We prospectively enrolled 25 HIV-infected children to study HIV-, cytomegalovirus (CMV)-, and tuberculosis (TB)-specific T-cell responses before and 1 year after initiation of ART using intracellular cytokine (interleukin-2, interferon-γ, tumor necrosis factor-α) staining assays after in vitro stimulation. We further measured expression of activation, immune exhaustion, and memory phenotype markers and studied proliferative responses after antigen stimulation.

Results
We observed differential, pathogen-specific changes after 1 year of ART in cytokine profiles of CD4 T-cell responses that were associated with shifts in memory phenotype and decreased programmed cell death 1 (PD-1) expression. The proliferative capacity of HIV- and PPD-specific responses increased after 1 year of ART. Of note, the recovery of CMV- and TB-specific responses was correlated with a decrease in PD-1 expression (r = 0.83, P = .008 and r = 0.81, P = .0007, respectively).

Conclusions
Reconstitution of immune responses on ART is associated with alterations in T-cell phenotype, function, and PD-1 expression that are distinct for HIV, TB, and CMV. The PD-1 pathway represents a potential target for immunotherapy in HIV-infected patients on ART with insufficient immune reconstitution.
Species Delineation Within the Euwallacea fornicatus (Coleoptera: Curculionidae) Complex Revealed by Morphometric and Phylogenetic Analyses
Authors: Gomez Demian F , Skelton James , Steininger M Sedonia , Stouthamer Richard , Rugman-Jones Paul , Sittichaya Wisut , Rabaglia Robert J , Hulcr Jiri 
Published: December 2018

Abstract
The ambrosia beetle Euwallacea fornicatus Eichhoff sensu lato is a complex of genetically divergent emerging pests responsible for damages to tree industries and ecosystems around the world. All lineages within the species complex are currently considered morphologically identical, presenting problems for their delineation and highlighting the shortcomings of species concepts based solely on type-specimen morphology. The objectives of this work were to 1) broaden the geographic sampling of the E. fornicatus complex in Asia, 2) reconstruct relationships between clades and populations, 3) find morphological characters or combinations of characters which are useful in delimiting the genetic lineages of the E. fornicatus species complex, and 4) propose taxonomic delimitation of species where morphology and phylogenetic identity correlate. Our integrated approach using molecular and morphological evidence suggests four clades that differ morphologically, but with overlap, therefore, cytochrome oxidase c subunit I (COI) barcoding remains necessary for assigning specimens to a clade. The following taxonomic changes are proposed: E. fornicatus (Eichhoff 1868) (= ‘Tea Shot Hole Borer Clade a’); E. fornicatior (Eggers 1923), stat. rev. (= ‘Tea Shot Hole Borer Clade b’); E. whitfordiodendrus (Schedl 1942), stat. rev. (= ‘Polyphagous Shot Hole Borer’); and E. kuroshio Gomez and Hulcr, sp. nov. (= ‘Kuroshio Shot Hole Borer’). This approach delivers a practical, evidence-based guidance for species delineation that can address overlapping variation in morphological characters of an emerging pest species complex.
deepBioWSD: effective deep neural word sense disambiguation of biomedical text data
Authors: Pesaranghader Ahmad , Matwin Stan , Sokolova Marina , Pesaranghader Ali 
Published: December 2018

AbstractObjectiveIn biomedicine, there is a wealth of information hidden in unstructured narratives such as research articles and clinical reports. To exploit these data properly, a word sense disambiguation (WSD) algorithm prevents downstream difficulties in the natural language processing applications pipeline. Supervised WSD algorithms largely outperform un- or semisupervised and knowledge-based methods; however, they train 1 separate classifier for each ambiguous term, necessitating a large number of expert-labeled training data, an unattainable goal in medical informatics. To alleviate this need, a single model that shares statistical strength across all instances and scales well with the vocabulary size is desirable.Materials and MethodsBuilt on recent advances in deep learning, our deepBioWSD model leverages 1 single bidirectional long short-term memory network that makes sense prediction for any ambiguous term. In the model, first, the Unified Medical Language System sense embeddings will be computed using their text definitions; and then, after initializing the network with these embeddings, it will be trained on all (available) training data collectively. This method also considers a novel technique for automatic collection of training data from PubMed to (pre)train the network in an unsupervised manner.ResultsWe use the MSH WSD dataset to compare WSD algorithms, with macro and micro accuracies employed as evaluation metrics. deepBioWSD outperforms existing models in biomedical text WSD by achieving the state-of-the-art performance of 96.82% for macro accuracy.ConclusionsApart from the disambiguation improvement and unsupervised training, deepBioWSD depends on considerably less number of expert-labeled data as it learns the target and the context terms jointly. These merit deepBioWSD to be conveniently deployable in real-time biomedical applications.
Fiscal interactions in the short and the long run: evidence from German reunification
Authors: Baskaran Thushyanthan 
Published: December 2018

AbstractThis paper uses the quasi-experiment of Germany’s reunification to test for strategic interactions in local taxation. After reunification, East-German municipalities were allowed to choose, for the first time in decades, local business and property tax rates. I explore whether the tax rates they chose were influenced by the tax rates in adjacent West-German municipalities. The results show that East-German municipalities mimicked the business tax rates of their western neighbors immediately after reunification, but not in later years. I find no evidence for interactions in property tax rates. These results are broadly consistent with models of social learning in fiscal policy.