900 resultados para ETL Conceptual and Logical Modeling


Relevância:

100.00% 100.00%

Publicador:

Resumo:

O conceito de promoção da saúde vem sendo desenvolvido há aproximadamente trinta anos e já está sedimentado. Atualmente, torna-se muito importante elaborar estratégias para sua implementação. O presente artigo é uma reflexão sobre a prática da advocacia em saúde enquanto estratégia para a implementação dos princípios e diretrizes da promoção da saúde. O ponto de partida é o questionamento sobre como conciliar os aspectos conceituais e metodológicos da promoção da saúde, considerados dentro de nossa realidade. A conclusão principal aponta para uma proposta de desenvolvimento de uma " Advocacia em Promoção da Saúde."

Relevância:

100.00% 100.00%

Publicador:

Resumo:

We consider binary infinite order stochastic chains perturbed by a random noise. This means that at each time step, the value assumed by the chain can be randomly and independently flipped with a small fixed probability. We show that the transition probabilities of the perturbed chain are uniformly close to the corresponding transition probabilities of the original chain. As a consequence, in the case of stochastic chains with unbounded but otherwise finite variable length memory, we show that it is possible to recover the context tree of the original chain, using a suitable version of the algorithm Context, provided that the noise is small enough.

Relevância:

100.00% 100.00%

Publicador:

Resumo:

The results of a combined experimental program and numerical modeling program to evaluate the behavior of ungrouted hollow concrete blocks prisms under uniaxial compression are addressed. In the numerical program, three distinct approaches have been considered using a continuum model with a smeared approach, namely plane-stress, plane-strain and three-dimensional conditions. The response of the numerical simulations is compared with experimental data of masonry prisms using concrete blocks specifically designed for this purpose. The elastic and inelastic parameters were acquired from laboratory tests on concrete and mortar samples that constitute the blocks and the bed joint of the prisms. The results from the numerical simulations are discussed with respect to the ability to reproduce the global response of the experimental tests, and with respect to the failure behavior obtained. Good agreement between experimental and numerical results was found for the peak load and for the failure mode using the three-dimensional model, on four different sets of block/mortar types. Less good agreement was found for plain stress and plain strain models.

Relevância:

100.00% 100.00%

Publicador:

Resumo:

The crisis in the historical profession today is both conceptual and political, both methodological and practical. To the crises of the decline of great narrative history for the popular audience, the multiculturalist challenge to Eurocentric history, and the loss of faith in grand themes of progress and liberation that provided moral and political guidance through history’s lessons, must be added the crisis created by the implications of literary and rhetorical theory for the very practice of history itself.

Relevância:

100.00% 100.00%

Publicador:

Resumo:

In this paper we present a model of specification-based testing of interactive systems. This model provides the basis for a framework to guide such testing. Interactive systems are traditionally decomposed into a functionality component and a user interface component; this distinction is termed dialogue separation and is the underlying basis for conceptual and architectural models of such systems. Correctness involves both proper behaviour of the user interface and proper computation by the underlying functionality. Specification-based testing is one method used to increase confidence in correctness, but it has had limited application to interactive system development to date.

Relevância:

100.00% 100.00%

Publicador:

Resumo:

Realistic time frames in which management decisions are made often preclude the completion of the detailed analyses necessary for conservation planning. Under these circumstances, efficient alternatives may assist in approximating the results of more thorough studies that require extensive resources and time. We outline a set of concepts and formulas that may be used in lieu of detailed population viability analyses and habitat modeling exercises to estimate the protected areas required to provide desirable conservation outcomes for a suite of threatened plant species. We used expert judgment of parameters and assessment of a population size that results in a specified quasiextinction risk based on simple dynamic models The area required to support a population of this size is adjusted to take into account deterministic and stochastic human influences, including small-scale disturbance deterministic trends such as habitat loss, and changes in population density through processes such as predation and competition. We set targets for different disturbance regimes and geographic regions. We applied our methods to Banksia cuneata, Boronia keysii, and Parsonsia dorrigoensis, resulting in target areas for conservation of 1102, 733, and 1084 ha, respectively. These results provide guidance on target areas and priorities for conservation strategies.

Relevância:

100.00% 100.00%

Publicador:

Resumo:

A two-dimensional numerical simulation model of interface states in scanning capacitance microscopy (SCM) measurements of p-n junctions is presented-In the model, amphoteric interface states with two transition energies in the Si band gap are represented as fixed charges to account for their behavior in SCM measurements. The interface states are shown to cause a stretch-out-and a parallel shift of the capacitance-voltage characteristics in the depletion. and neutral regions of p-n junctions, respectively. This explains the discrepancy between - the SCM measurement and simulation near p-n junctions, and thus modeling interface states is crucial for SCM dopant profiling of p-n junctions. (C) 2002 American Institute of Physics.

Relevância:

100.00% 100.00%

Publicador:

Resumo:

The relationship between evidence-based medicine (EBM) and clinical judgement is the subject of conceptual and practical dispute. For example, EBM and clinical guidelines are seen to increasingly dominate medical decision-making at the expense of other, human elements, and to threaten the art of medicine. Clinical wisdom always remains open to question. We want to know why particular beliefs are held, and the epistemological status of claims based in wisdom or experience. The paper critically appraises a number of claims and distinctions, and attempts to clarify the connections between EBM, clinical experience and judgement, and the objective and evaluative categories of medicine. I conclude that to demystify clinical wisdom is not to devalue it. EBM ought not be conceived as needing to be limited or balanced by clinical wisdom, since if its language is translatable into terms comprehensible and applicable to individuals, it helps constitute clinical wisdom. Failure to appreciate this constitutive relation will help perpetuate medical paternalism and delay the adoption of properly evidence-based practice, which would be both unethical and unwise.

Relevância:

100.00% 100.00%

Publicador:

Resumo:

A research program on atmospheric boundary layer processes and local wind regimes in complex terrain was conducted in the vicinity of Lake Tekapo in the southern Alps of New Zealand, during two 1-month field campaigns in 1997 and 1999. The effects of the interaction of thermal and dynamic forcing were of specific interest, with a particular focus on the interaction of thermal forcing of differing scales. The rationale and objectives of the field and modeling program are described, along with the methodology used to achieve them. Specific research aims include improved knowledge of the role of surface forcing associated with varying energy balances across heterogeneous terrain, thermal influences on boundary layer and local wind development, and dynamic influences of the terrain through channeling effects. Data were collected using a network of surface meteorological and energy balance stations, radiosonde and pilot balloon soundings, tethered balloon and kite-based systems, sodar, and an instrumented light aircraft. These data are being used to investigate the energetics of surface heat fluxes, the effects of localized heating/cooling and advective processes on atmospheric boundary layer development, and dynamic channeling. A complementary program of numerical modeling includes application of the Regional Atmospheric Modeling System (RAMS) to case studies characterizing typical boundary layer structures and airflow patterns observed around Lake Tekapo. Some initial results derived from the special observation periods are used to illustrate progress made to date. In spite of the difficulties involved in obtaining good data and undertaking modeling experiments in such complex terrain, initial results show that surface thermal heterogeneity has a significant influence on local atmospheric structure and wind fields in the vicinity of the lake. This influence occurs particularly in the morning. However, dynamic channeling effects and the larger-scale thermal effect of the mountain region frequently override these more local features later in the day.

Relevância:

100.00% 100.00%

Publicador:

Resumo:

A investigação da origem ontogenética da amizade apresenta dificuldades conceituais e metodológicas. O presente artigo investigou como mães de crianças entre um e três anos percebiam as primeiras amizades de seus filhos. Vinte mães entre 24 e 48 anos foram entrevistadas com base em um roteiro pré-estabelecido. Os resultados indicaram que o conceito de amizade das mães era muito positivo. A rede de amigos dos filhos era formada por crianças da família, da vizinhança ou de comunidades religiosas. A principal atividade compartilhada com amigos foi o brincar. As mães facilitavam o encontro dos filhos com amigos ou amigos em potencial e serviam de mediadoras entre os padrões sócio-culturais e essas amizades, contribuindo para a sua construção de acordo com as expectativas sócio-culturais. As primeiras amizades foram identificadas por volta dos 18 meses. Pode-se concluir que as mães participavam ativamente da formação das primeiras amizades dos filhos.

Relevância:

100.00% 100.00%

Publicador:

Resumo:

Pode a experiência religiosa ser substituída pela experiência estética? Os estudiosos se dividem na resposta. Situando a pergunta no quadro de referência conceitual e epistemológico que distingue entre religião substantiva e religião funcional, levantamos a hipótese de que não há substituição substantiva, mas pode haver substituição funcional entre essas experiências. Levantamos a hipótese ulterior de que a experiência estética pode ser uma experiência do sagrado. As hipóteses foram examinadas com os dados obtidos em entrevistas com oito renomados artistas plásticos, por ocasião da 23ª Bienal de São Paulo, em 1996. Os dados revelaram diferenças, continuidades e analogias entre arte e religião assim como entre arte e sagrado, que permitiram reconhecer em alguns casos substituição funcional da religião pela arte, principalmente se dotada da densidade do sagrado.

Relevância:

100.00% 100.00%

Publicador:

Resumo:

A pesquisa analisa da constituição histórica da disciplina História da Educação ministrada na Faculdade de Filosofia Ciências e Letras do Estado do Espírito Santo, posteriormente incorporada a Universidade Federal do Espírito Santo entre os anos de 1951 e 2000. Investiga a constituição histórica da disciplina, as transformações programáticas, legais e institucionais referentes à disciplina de História da Educação, como também as abordagens historiográficas, periodizações e os conceitos de tempo, história e educação. A fundamentação teórica e metodológica articula-se dialogicamente a partir das construções conceituais e metodológicas de Carlo Ginzburg e Mikhail Bakhtin. A partir dos conceitos de polifonia e dialogismo, comum a ambos, investigou-se as vozes e diálogos impressos nas narrativas da disciplina de História da Educação e seu ensino, sejam em camadas mais superficiais ou profundas, encontradas no corpus documental consultado e analisado, que correspondem a: programas de ensino, transparências, leis, estruturas curriculares, documentos de departamento; resenhas e fichamentos de textos, bibliografia obrigatória e complementar, avaliações e entrevistas. Procurou-se no corpus documental dados aparentemente negligenciáveis – pistas, indícios e sinais – remontar uma realidade histórica complexa e não experimentável diretamente. Ao investigar historicamente a trajetória da disciplina História da Educação e seu ensino a partir dos parâmetros legais, programáticos e institucionais, foi possível perceber que as mudanças mais profundas operadas na disciplina não se originam das legislações e reestruturações curriculares, mas dos locais de produção e socialização do conhecimento histórico. Durante o período analisado, as duas esferas de produção historiográficas que mais influenciaram nas abordagens, periodizações e conceitos de tempo, história e educação da disciplina História da Educação do curso de pedagogia pesquisado foram: a editora responsável pela publicação e divulgação dos Manuais de História da Educação da coleção Atualidades Pedagógicas (1951-1979) e os Programas de Pós-graduação em Educação e História (1980 - 2000). Entre 1951 e finais de 1970 observa-se a influência dos Manuais de História da Educação, na organização e programação do ensino de História da Educação e uma abordagem filosófica voltada para a história das ideias pedagógicas e análises do pensamento de filósofos e educadores sobre a educação e respectivas inserções em doutrinas filosóficas europeias. A partir de 1980 as abordagens de cunho econômico, político e ideológico dos contextos históricos educativos passaram a predominar nos programas de ensino das disciplinas de História da Educação I e II, e vigoraram até meados nos anos de 1990. Na disciplina de História da Educação I a abordagem é marcada por análises do contexto de produção e organização das classes sociais; com relação à disciplina História da Educação II, até meados de 1995, trata da educação brasileira. A partir da abordagem fundamentada na Teoria da Dependência após 1995, os documentos consultados começam a mostrar outras marcas que sugerem uma abordagem voltada para a dimensão política e social, abordando a História da Educação Brasileira, a partir dos movimentos sociais e seus respectivos projetos educacionais.

Relevância:

100.00% 100.00%

Publicador:

Resumo:

In the last five years, climate change has been established as a central civilizational driver of our time. As a result of this development, the most diversified social processes - as well as the fields of science which study them - have had their dynamics altered. In International Relations, this double challenge could be explained as follows: 1) in empirical terms, climate change imposes a deepening of cooperation levels on the international community, considering the global common character of the atmosphere; and 2) to International Relations as a discipline, climate change demands from the scientific community a conceptual review of the categories designed to approach the development of global climate governance. The goal of this article is to discuss in both conceptual and empirical terms the structure of global climate change governance, through an exploratory research, aiming at identifying the key elements that allow understanding its dynamics. To do so, we rely on the concept of climate powers. This discussion is grounded in the following framework: we now live in an international system under conservative hegemony that is unable to properly respond to the problems of interdependence, among which - and mainly -, the climate issue.

Relevância:

100.00% 100.00%

Publicador:

Resumo:

Pectus excavatum is the most common congenital deformity of the anterior thoracic wall. The surgical correction of such deformity, using Nuss procedure, consists in the placement of a personalized convex prosthesis into sub-sternal position to correct the deformity. The aim of this work is the CT-scan substitution by ultrasound imaging for the pre-operative diagnosis and pre-modeling of the prosthesis, in order to avoid patient radiation exposure. To accomplish this, ultrasound images are acquired along an axial plane, followed by a rigid registration method to obtain the spatial transformation between subsequent images. These images are overlapped to reconstruct an axial plane equivalent to a CT-slice. A phantom was used to conduct preliminary experiments and the achieved results were compared with the corresponding CT-data, showing that the proposed methodology can be capable to create a valid approximation of the anterior thoracic wall, which can be used to model/bend the prosthesis

Relevância:

100.00% 100.00%

Publicador:

Resumo:

The International Business Environment (IBE) has been argued to be the essential context for international business (IB) studies and the distinguishing factor from other management studies and studies of large enterprises. Two content analysis show that many papers published in top tier IB journals either lack reference to any dimension of the IBE or tend to be uni-or bi-dimensional when addressing the IBE; it is not a surprise that the cultural dimension is the most often used. We suggest that: (a) there is need to developed more uni-and multi-dimensional environmental constructs; (b) a more holistic view of the IBE provides richer insights on the actual complexity underlying IB research. Future studies that provide more comprehensive models of the IBE that overcome the usual broad classifications of the international environment as undefined and uncontrollable factors are warranted to advance conceptual and empirical research.