179,129 research outputs found

    A Pragmatic System-failure Assessment and Response Model

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    Several attack models exist today that attempt to describe cyber-attacks to varying degrees of granularity. Fast and effective decision-making during cyber-attacks is often vital, especially during incidents in which reputation, finance and physical damage can have a crippling effect on people and organisations. Such attacks can render an organisation paralysed, and it may cease to function, we refer to such an incident as a “System Failure”. In this paper we propose a novel conceptual model to help analysts make pragmatic decisions during a System Failure. Our model distils the essence of attacks and provides an easy-to-remember framework intended to help analysts ask relevant questions at the right time, irrespective of what data is available to them. Using abstraction-based reasoning our model allows enterprises to achieve “some” situational awareness during a System Failure, but more importantly, enable them to act upon their understanding and to justify their decisions. Abstraction drives the reasoning process making the approach relevant today and in the future, unlike several existing models that become deprecated over time (as attacks evolve). In the future, it will be necessary to trial the model in exercises to assess its value

    Analyzing Use of Thanks to You: Insights for Language Teaching and Assessment in Second and Foreign Language Contexts

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    This investigation of thanks to you in British and American usage was precipitated by a situation at an American university, in which a native Arabic speaker said thanks to you in isolation, making his intended meaning unclear. The study analyzes use of thanks to you in the Corpus of Contemporary American English and the British National Corpus to gain insights for English language instruction /assessment in the American context, as well as English-as-a-lingua-franca contexts where the majority of speakers are not native speakers of English or are speakers of different varieties of English but where American or British English are for educational purposes the standard varieties. Analysis of the two corpora revealed three functions for thanks to you common to British and American usage: expressing gratitude, communicating "because of you" positively, and communicating "because of you" negatively (as in sarcasm). A fourth use of thanks to you, thanking journalists/guests for being on news programs/talk shows, occurred in the American corpus only. Analysis indicates that felicitous use of thanks to you for each of these meanings depends on the presence of a range of factors, both linguistic and material, in the context of utterance

    Expanding Paramedicine in the Community (EPIC): study protocol for a randomized controlled trial.

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    BackgroundThe incidence of chronic diseases, including diabetes mellitus (DM), heart failure (HF) and chronic obstructive pulmonary disease (COPD) is on the rise. The existing health care system must evolve to meet the growing needs of patients with these chronic diseases and reduce the strain on both acute care and hospital-based health care resources. Paramedics are an allied health care resource consisting of highly-trained practitioners who are comfortable working independently and in collaboration with other resources in the out-of-hospital setting. Expanding the paramedic's scope of practice to include community-based care may decrease the utilization of acute care and hospital-based health care resources by patients with chronic disease.Methods/designThis will be a pragmatic, randomized controlled trial comparing a community paramedic intervention to standard of care for patients with one of three chronic diseases. The objective of the trial is to determine whether community paramedics conducting regular home visits, including health assessments and evidence-based treatments, in partnership with primary care physicians and other community based resources, will decrease the rate of hospitalization and emergency department use for patients with DM, HF and COPD. The primary outcome measure will be the rate of hospitalization at one year. Secondary outcomes will include measures of health system utilization, overall health status, and cost-effectiveness of the intervention over the same time period. Outcome measures will be assessed using both Poisson regression and negative binomial regression analyses to assess the primary outcome.DiscussionThe results of this study will be used to inform decisions around the implementation of community paramedic programs. If successful in preventing hospitalizations, it has the ability to be scaled up to other regions, both nationally and internationally. The methods described in this paper will serve as a basis for future work related to this study.Trial registrationClinicalTrials.gov: NCT02034045. Date: 9 January 2014

    Pragmatic trials

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    Gemeinschaft and Gesellschaft: The Geopolitics of Academic Plagiarism

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    This chapter uses Tönnies’ notions of Gemeinschaft and Gesellschaft to examine the issue of plagiarism from a culturalist perspective. According to this, plagiarism is understood not as a universal or unequivocal evil, but as one component of a particular ethical system that took hold within a specific historical and social context, roughly contemporary with the European Enlightenment. Today, that ethical framework is so deeply entrenched in the power structures of the modern world that its values go largely unquestioned in countries at the centre of the world economic system. However, as we move away from the centre towards the periphery, we find that those values become weaker, and may enter into conflict with another moral code, which is usually more traditional in nature, though no less coherent. Indeed, in some parts of the world, it is those traditional values that actually hold sway in local universities, raising serious problems for academic mobility and the internationalization of knowledge. The very concept of plagiarism is also full of inherent contradictions, caused, at least in part, by historical tensions generated by the passage from one kind of society to the other. Vestiges of the Gemeinschaft continue to penetrate all aspects of modern university culture, ranging from teaching practices (the persistence of imitatio in academic writing courses) and hierarchical relations (the power balance inherent in the tutor/student dynamic) to the very philosophy of knowledge underlying modern science (where the rhetorical implications of the citation procedure sit uncomfortably alongside a metadiscourse of transcendental truth). Hence, this chapter argues that, in a context of increased globalization, there is a need for a deeper understanding of the various dynamics at work in this complex concept

    Rape Culture and Epistemology

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    We consider the complex interactions between rape culture and epistemology. A central case study is the consideration of a deferential attitude about the epistemology of sexual assault testimony. According to the deferential attitude, individuals and institutions should decline to act on allegations of sexual assault unless and until they are proven in a formal setting, i.e., a criminal court. We attack this deference from several angles, including the pervasiveness of rape culture in the criminal justice system, the epistemology of testimony and norms connecting knowledge and action, the harms of tacit idealizations away from important contextual factors, and a contextualist semantics for 'knows' ascriptions

    Implementation and evaluation of the VA DPP clinical demonstration: protocol for a multi-site non-randomized hybrid effectiveness-implementation type III trial.

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    BackgroundThe Diabetes Prevention Program (DPP) study showed that lifestyle intervention resulted in a 58% reduction in incidence of type 2 diabetes among individuals with prediabetes. Additional large randomized controlled trials have confirmed these results, and long-term follow-up has shown sustained benefit 10-20 years after the interventions ended. Diabetes is a common and costly disease, especially among Veterans, and despite strong evidence supporting the feasibility of type 2 diabetes prevention, the DPP has not been widely implemented. The first aim of this study will evaluate implementation of the Veterans Affairs (VA) DPP in three VA medical centers. The second aim will assess weight and hemoglobin A1c (A1c) outcomes, and the third aim will determine the cost-effectiveness and budget impact of implementation of the VA DPP from a health system perspective.Methods/designThis partnered multi-site non-randomized systematic assignment study will use a highly pragmatic hybrid effectiveness-implementation type III mixed methods study design. The implementation and administration of the VA DPP will be funded by clinical operations while the evaluation of the VA DPP will be funded by research grants. Seven hundred twenty eligible Veterans will be systematically assigned to the VA DPP clinical demonstration or the usual care VA MOVE!® weight management program. A multi-phase formative evaluation of the VA DPP implementation will be conducted. A theoretical program change model will be used to guide the implementation process and assess applicability and feasibility of the DPP for VA. The Consolidated Framework for Implementation Research (CFIR) will be used to guide qualitative data collection, analysis, and interpretation of barriers and facilitators to implementation. The RE-AIM framework will be used to assess Reach, Effectiveness, Adoption, Implementation, and Maintenance of the VA DPP. Twelve-month weight and A1c change will be evaluated for the VA DPP compared to the VA MOVE!ProgramMediation analyses will be conducted to identify whether program design differences impact outcomes.DiscussionFindings from this pragmatic evaluation will be highly applicable to practitioners who are tasked with implementing the DPP in clinical settings. In addition, findings will determine the effectiveness and cost-effectiveness of the VA DPP in the Veteran population

    Robust Processing of Natural Language

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    Previous approaches to robustness in natural language processing usually treat deviant input by relaxing grammatical constraints whenever a successful analysis cannot be provided by ``normal'' means. This schema implies, that error detection always comes prior to error handling, a behaviour which hardly can compete with its human model, where many erroneous situations are treated without even noticing them. The paper analyses the necessary preconditions for achieving a higher degree of robustness in natural language processing and suggests a quite different approach based on a procedure for structural disambiguation. It not only offers the possibility to cope with robustness issues in a more natural way but eventually might be suited to accommodate quite different aspects of robust behaviour within a single framework.Comment: 16 pages, LaTeX, uses pstricks.sty, pstricks.tex, pstricks.pro, pst-node.sty, pst-node.tex, pst-node.pro. To appear in: Proc. KI-95, 19th German Conference on Artificial Intelligence, Bielefeld (Germany), Lecture Notes in Computer Science, Springer 199
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