2,929 research outputs found

    Do carácter assistencialista ao cuidado empreendedor de enfermagem

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    Backes DS, Haag BK, Coelho CM, Backes MTS, Hämel K, Büscher A. Do carácter assistencialista ao cuidado empreendedor de enfermagem. In: Backes DS, Ilha S, Colomé JS, eds. Evidencias Empreendedoras na Enfermagem: Ensino, Pesquisa e Extensao. Santa Maria: Universidade Franciscana; 2019: 116-130

    Industrial practitioners' mental models of adversarial machine learning

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    Although machine learning is widely used in practice, little is known about practitioners' understanding of potential security challenges. In this work, we close this substantial gap and contribute a qualitative study focusing on developers' mental models of the machine learning pipeline and potentially vulnerable components. Similar studies have helped in other security fields to discover root causes or improve risk communication. Our study reveals two facets of practitioners' mental models of machine learning security. Firstly, practitioners often confuse machine learning security with threats and defences that are not directly related to machine learning. Secondly, in contrast to most academic research, our participants perceive security of machine learning as not solely related to individual models, but rather in the context of entire workflows that consist of multiple components. Jointly with our additional findings, these two facets provide a foundation to substantiate mental models for machine learning security and have implications for the integration of adversarial machine learning into corporate workflows, decreasing practitioners' reported uncertainty, and appropriate regulatory frameworks for machine learning security

    Family Health Strategy in Brazil - Shaping the profile of nursing in primary health care

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    Hämel K, Backes DS, Giovanella L, Büscher A. Familiengesundheitsstrategie in Brasilien - Profilierung der Pflege in der Primärversorgung. Pflege & Gesellschaft. 2017;22(1):35-50

    Unified health system in the perspective of community leaderships

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    Guerra LR, Pilecco JC, Ferreira CL, Sueli Teresinha G, Hämel K, Backes DS. Sistema Único de Saúde na perspectiva de lideranças comunitárias. Disciplinarum Scientia. 2017;18(1):19-30

    Familiengesundheitszentren in Brasilien (Unidades básicas de saúde, Clínicas da Família)

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    Hämel K, Schaeffer D, Büscher A, Backes DS, Giovanella L. Familiengesundheitszentren in Brasilien (Unidades básicas de saúde, Clínicas da Família). PORT – Patientenorientierte Zentren zur Primär- und Langzeitversorgung. Stuttgart: Robert Bosch Stiftung; 2018

    The Impact of Name-Matching and Blocking on Author Disambiguation

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    In this work, we address the problem of blocking in the context of author name disambiguation. We describe a framework that formalizes different ways of name-matching to determine which names could potentially refer to the same author. We focus on name variations that follow from specifying a name with different completeness (i.e. full first name or only initial). We extend this framework by a simple way to define traditional, new and custom blocking schemes. Then, we evaluate different old and new schemes in the Web of Science. In this context we define and compare a new type of blocking schemes. Based on these results, we discuss the question whether name-matching can be used in blocking evaluation as a replacement of annotated author identifiers. Finally, we argue that blocking can have a strong impact on the application and evaluation of author disambiguation

    The Effect of Domestication and Experience on the Social Interaction of Dogs and Wolves With a Human Companion

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    The results of current wolf-dog studies on human-directed behaviors seem to suggest that domestication has acted on dogs’ general attitudes and not on specific socio-cognitive skills. A recent hypothesis suggests that domestication may have increased dogs’ overall sociability (hypersociability hypothesis). The aim of the present study was to test one aspect of the hypersociability hypothesis, whereby dogs should be more interested in social human contact compared to wolves, and to investigate the relative roles of both domestication and experience on the value that dogs attribute to human social contact. We compared equally raised wolves and dogs kept at the Wolf Science Center (WSCw, WSCd) but also dogs with different human socialization experiences i.e., pet dogs and free-ranging dogs. We presented subjects with a simple test, divided in two phases: in the Pre-test phase animals were exposed to two people in succession. One person invited the animal for a social/cuddle session (contact provider) and the other fed the animal (food provider). In the Test phase, animals could choose which of the two persons to approach, when both stood in a neutral posture. We directly compared WSCd with WSCw and free-ranging dogs with pet dogs. We found that in the Pre-test, WSCd and free-ranging dogs spent more time with the contact provider than WSCw and pet dogs, respectively. The results regarding the free-ranging dog and pet dog comparison were surprising, hence we conducted a follow-up testing pet dogs in a familiar, distraction-free area. Free-ranging dogs and this group of pet dogs did not differ in the time spent cuddling. In the test phase, WSCd were more likely than WSCw to approach the two experimenters. However, neither for the WSCd-WSCw comparison nor for the free-ranging dogs-pet dogs comparison, we could find a clear preference for one person over the other. Our findings support the idea that domestication has affected dogs’ behavior in terms of their overall interest in being in proximity with a human partner also in case of dogs with a relatively sparse socialization experience (free-ranging dogs). However, it remains unclear what the driving motivation to interact with the human may be

    Association mapping for barley traits related to organic farming

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    In context of a larger project dealing with the traits of barley that are related to organic farming (BAR-OF), we performed an association mapping in order to dertermine the genetic loci linked with the respective traits. In two subsequent years (2002 and 2003), we used field results from 96 barley lines and varieties, partially overlapping between the years. The lines/varieties were grown on three Dansih locations (Flakkebjerg, Foulum and Jyndevad). For Foulum and Flakkebjerg, we observed both fields grown under organic and conventional regime; for Jyndevad only fields cultivated under organic conditions were ecploited. Neither in the organic nor in the conventional fields; diseases were controlled chemically. In the resulting five environments per year, deseases (powdery mildew, leaf rust, scald and net blotch), morphology related traits (stem lengh, ear braking, stem breaking and lodging), development related traits (time of heading and time of ripening) and yield related traits (kernel yiedl, kernel weight, kernel density, kernel size, starch and protein content) were observed. for the marker study, we used 65 polymorphic microsatellite markers distributed over all seven barley chromosomes. In the association analysis we applied a GLM analysis in the software TASSE and accepted only association with an error probability lower than 10-5. Beside for ear breaking, we found significant associations for each of the traits observed and always on more than one chromosome. The major part of the associations differed from 2002 to 2003. For the disease resistances and the kernel weight, we observed a relative high stability of the associated marker loci over the years, even so the barley lines on the field experiments differed partially from one year to the other. Surprisingly, we fond the best stability of association comparing the two years for the trait "kernel yield". Further analysis, especially in relation to G x E interaction and the influence of organic/conventional conditions will be published in an upcoming paper
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