940 resultados para Formal concept analysis


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ENDERS, Bertha Cruz ; BRITO RS ; MONTEIRO, Akemi Ywata. Analise conceitual e pensamento critico: uma relacao complementar na enfermagem. Rev Gaucha Enferm, Porto Alegre (RS) 2004 dez;25(3):295-305.

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O propósito deste trabalho é mostrar a relação entre o processo de análise conceitual e as habilidades de pensamento crítico na enfermagem. Utilizando uma abordagem de ensaio discursivo, argumenta-se que a técnica de análise conceitual promove a criticidade em alunos de enfermagem. Os passos da atividade de análise são examinados quanto às operações cognitivas neles inseridas e que representam habilidades de raciocínio crítico. Reflete-se sobre a análise conceitual como atividade didática na promoção do pensamento crítico em uma experiência com alunos de graduação. Conclui-se que os dois processos se complementam no repensar e no enfrentamento de desafios na enfermagem

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ENDERS, Bertha Cruz ; BRITO RS ; MONTEIRO, Akemi Ywata. Analise conceitual e pensamento critico: uma relacao complementar na enfermagem. Rev Gaucha Enferm, Porto Alegre (RS) 2004 dez;25(3):295-305.

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The aim of this review was to identify the factors associated with positive experiences in non-professional carers of someone with a cancer diagnosis. A systematic search of the following electronic databases was undertaken: Cochrane Library, CINAHL, PsycINFO, SocINDEX and Medline. Literature was searched using terms relating to cancer, caring and positive experiences. Additional records were identified through a manual search of relevant reference lists. The search included studies published in English from 1990- June 2015. Two raters were involved in data extraction, quality appraisal, coding, synthesis, and analysis. Evolutionary concept analysis was used as a guiding framework in order to focus on attributes associated with positive experiences. Fifty two articles were included in this review. Analysis identified four overarching attributes: ‘gender’, ‘personal resources’, ‘finding meaning’ and ‘social context’. Despite the challenges associated with caring this combination of internal and external factors enabled some carers to report positive experiences related to caring. This knowledge may be clinically helpful when designing supportive interventions. Strengths and limitations of these claims are discussed.

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O propósito deste trabalho é mostrar a relação entre o processo de análise conceitual e as habilidades de pensamento crítico na enfermagem. Utilizando uma abordagem de ensaio discursivo, argumenta-se que a técnica de análise conceitual promove a criticidade em alunos de enfermagem. Os passos da atividade de análise são examinados quanto às operações cognitivas neles inseridas e que representam habilidades de raciocínio crítico. Reflete-se sobre a análise conceitual como atividade didática na promoção do pensamento crítico em uma experiência com alunos de graduação. Conclui-se que os dois processos se complementam no repensar e no enfrentamento de desafios na enfermagem

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In this work, we present a sound and complete axiomatic system for conditional attribute implications (CAIs) in Triadic Concept Analysis (TCA). Our approach is strongly based on the Simplification paradigm which offers a more suitable way for automated reasoning than the one based on Armstrong’s Axioms. We also present an automated method to prove the derivability of a CAI from a set of CAI s.

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Conventional tilted implants are used in oral rehabilitation for heavily absorbed maxilla to avoid bone grafts; however, few research studies evaluate the biomechanical behavior when different angulations of the implants are used. The aim of this study was evaluate, trough photoelastic method, two different angulations and length of the cantilever in fixed implant-supported maxillary complete dentures. Two groups were evaluated: G15 (distal tilted implants 15°) and G35 (distal tilted implants 35°) n = 6. For each model, 2 distal tilted implants (3.5 x 15 mm long cylindrical cone) and 2 parallel tilted implants in the anterior region (3.5 x 10 mm) were installed. Photoelastic models were submitted to three vertical load tests: in the end of cantilever, in the last pillar and in the all pillars at the same time. We obtained the shear stress by Fringes software and found values for total, cervical and apical stress. The quantitative analysis was performed using the Student tests and Mann-Whitney test; p ≥ 0.05. There is no difference between G15 and G35 for total stress regardless of load type. Analyzing the apical region, G35 reduced strain values considering the distal loads (in the cantilever p = 0.03 and in the last pillar p = 0.02), without increasing the stress level in the cervical region. Considering the load in all pillars, G35 showed higher stress concentration in the cervical region (p = 0.04). For distal loads, G15 showed increase of tension in the apical region, while for load in all pillars, G35 inclination increases stress values in the cervical region.

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Authorised trustee status is a legal concept which has economic implications; one of the major implications is that it assists in the direction of investment funds into particular securities and areas of the economy. The concept of authorised trustee status, while attempting to achieve specific outcomes for the beneficiaries of trusts cannot be relied upon to secure these results. Economic analysis of the role of the trustee maintains that this role is one of portfolio manager; a role which is complex but which is explicable in terms of definable procedures and practices. The role of trustee as portfolio manager is one which requires greater financial knowledge than can be assumed is possessed by all trustees. The trustee as portfolio manager is required to maintain a review of decisions make under powers to invest trust assets. A solution to the problem of authorised trustee status is proposed. The solution takes two parts: the first is the adoption of the prudent person approach but with the codification of duties of the trustee and the explicit listing of the factors that a trustee should consider in using the investment powers. The second part of the proposed solution is to link the investment powers of trustees to the best practice features of securities advisers who are now licensed by a regulatory body, the Australian Securities and Investment Commission.

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A necessidade de (re)afirmar a identidade dos lugares e regiões com o objectivo de aumentar a sua competitividade no mercado global de bens, serviços e ideias tem sido geralmente adoptado nas políticas de desenvolvimento regional e local, mais de um modo retórico do que operacional. Faltam, de facto, instrumentos analíticos adequados para a avaliação da identidade territorial no contexto do nexo local-global. Neste artigo é discutido o enquadramento conceptual e metodológico necessário para o estudo das mudanças nas identidades territoriais e é apresentada evidência empírica dos conhecimentos, atitudes e práticas dos agentes de desenvolvimento local em Portugal.

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Mestrado em Intervenção Sócio-Organizacional na Saúde - Ramo de especialização: Qualidade e Tecnologias da Saúde

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A Work Project, presented as part of the requirements for the Award of a Masters Degree in Finance from the NOVA – School of Business and Economics

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Magdeburg, Univ., Fak. für Informatik, Diss., 2011

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Magdeburg, Univ., Fak. für Maschinenbau, Diss., 2014

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ABSTRACT: BACKGROUND: Decision curve analysis has been introduced as a method to evaluate prediction models in terms of their clinical consequences if used for a binary classification of subjects into a group who should and into a group who should not be treated. The key concept for this type of evaluation is the "net benefit", a concept borrowed from utility theory. METHODS: We recall the foundations of decision curve analysis and discuss some new aspects. First, we stress the formal distinction between the net benefit for the treated and for the untreated and define the concept of the "overall net benefit". Next, we revisit the important distinction between the concept of accuracy, as typically assessed using the Youden index and a receiver operating characteristic (ROC) analysis, and the concept of utility of a prediction model, as assessed using decision curve analysis. Finally, we provide an explicit implementation of decision curve analysis to be applied in the context of case-control studies. RESULTS: We show that the overall net benefit, which combines the net benefit for the treated and the untreated, is a natural alternative to the benefit achieved by a model, being invariant with respect to the coding of the outcome, and conveying a more comprehensive picture of the situation. Further, within the framework of decision curve analysis, we illustrate the important difference between the accuracy and the utility of a model, demonstrating how poor an accurate model may be in terms of its net benefit. Eventually, we expose that the application of decision curve analysis to case-control studies, where an accurate estimate of the true prevalence of a disease cannot be obtained from the data, is achieved with a few modifications to the original calculation procedure. CONCLUSIONS: We present several interrelated extensions to decision curve analysis that will both facilitate its interpretation and broaden its potential area of application.