923 resultados para Information Studies
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Includes bibliography.
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The Planning Meeting of Partners was organized jointly by the Economic Commission for Latin America and the Caribbean (ECLAC) Subregional Headquarters for the Caribbean, the Observatory for the Information Society in Latin America and the Caribbean (OSILAC - an ECLAC project supported by the International Development Research Centre (IDRC), the University of West Indies (UWI), St. Augustine Campus and the Telecommunications Policy and Management Programme, Mona School of Business at UWI, Jamaica. The Caribbean Information Societies Measurement Initiative (CISMI) is a component of the research proposal entitled “Networks for Development: The Caribbean ICT Research Programme”, recently submitted to IDRC for funding approval. The main objective of this programme is to “promote multi-stakeholder knowledge exchange and dialogue about the potential contribution of Information and Communications Technology for economic development and poverty alleviation in the Caribbean” The proposed budget for the CISMI component within the aforementioned proposal is US$ 150,000. The main objectives of the CISMI component are twofold: (a) to conduct a comprehensive Information and Communications Technology (ICT) survey in the Caribbean subregion to cover baseline information needs for studies and analysis from different partners involved in the construction of the Caribbean Information Societies; and (b) to analyze the household-level data, including the status of broadband and mobile usage in selected Caribbean countries in order to promote evidence-based policy planning and implementation with respect to ICT development and its impact on social and economic development in the subregion. The Planning Meeting of Partners was convened to: (a) discuss the CISMI component partnership arrangements, (b) discuss the design and implementation mechanisms of the survey instrument (questionnaire); (c) inform and engage potential key stakeholders; and (d) obtain information from potential service providers (survey companies). The Planning Meeting of Partners took place on 28 and 29 September 2009 in Port of Spain, Trinidad and Tobago.
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O depósito aurífero de Piaba tornou-se a primeira mina em operação no fragmento cratônico São Luís, noroeste do Maranhão. Seu ambiente geológico compreende rochas metavulcanossedimentares do Grupo Aurizona e granitoides da Suíte Tromaí, entre outras unidades menores, formadas em ambiente de arcos de ilhas entre 2240 e 2150 Ma, juntamente com outras unidades menores. A mineralização é caracterizada por uma trama stockwork de veios e vênulas de quartzo com seus halos de alteração (clorita + muscovita + carbonato + pirita + calcopirita e ouro) hospedada em um granodiorito granofírico fino (Granófiro Piaba) e em rocha subvulcânica andesítica do Grupo Aurizona. O corpo mineralizado é espacialmente limitado à zona de cisalhamento ENE-WSW rúptil-dúctil (Falha Piaba). Estudos petrográficos, microtermométricos e por espectroscopia microRaman no quartzo definiram inclusões aquo-carbônicas bifásicas e trifásicas, produzidas por aprisionamento heterogêneo durante separação de fases, e fluidos aquosos tardios. A solução mineralizadora corresponde a um fluido aquo-carbônico composto por CO2 (5 - 24 mol%, densidade de 0,96 - 0,99 g/cm3), H2O (74 - 93 mol%), N2 (< 1 mol%), CH4 (<1mol%) e 5,5 % em peso NaCl equivalente. O minério depositou a 267 - 302ºC e 1,25 - 2,08 kbar, correspondendo a profundidades de 4 a 7 km, em consonância com o regime estrutural. A composição e o intervalo de P-T do fluido mineralizador, combinados com o caráter redutor (log ƒO2 -31,3 a -34,3) e a sulfetação da rocha hospedeira, sugerem que o ouro foi transportado como um complexo sulfetado. O minério foi depositado em consequência da separação de fase, redução da atividade de enxofre e da ƒO2 pela interação fluido-rocha.
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Scinax species are still underrepresented in cytogenetic studies, mainly with respect to populations from northeastern and northern Brazil. In this study, we provide new chromosomal information on Scinax boesemani, S. camposseabrai, S. garbei, S. pachycrus, S. trilineatus and S. x-signatus, all belonging to clade S. ruber. They were collected at two locations in the Caatinga biome (northeastern Brazil) and at one in the Amazon (northern Brazil) biomes. Chromosomes were analyzed by conventional staining, C-banding, Ag-NOR staining, and fluorochrome staining. All species shared a modal diploid value of 2n = 24 and fundamental arm number (FN) of 48. Moreover, both chromosomal size and morphology were similar to other species in this Scinax clade. C-banding revealed centromeric heterochromatin in all species, along with terminal species-specific C-bands in some species. Active nucleolar organizer regions (Ag-NORs) were identified at 11q in most species, except for S. boesemani and S. garbei (Ag-NORs at interstitial region of 8q). Differing from most anurans, GC-rich regions were not restricted to NORs, but also coincident with some centromeric and terminal C-bands. These data contribute to the cytotaxonomy of Scinax by providing chromosomal markers and demonstrating the occurrence of microstructural rearrangements and inversions on chromosomal evolution of Scinax.
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O texto apresenta dois conjuntos de informações de interesse histórico para a Psicologia: sobre o contexto no qual foi regulamentada a profi ssão de psicólogo e sobre a formação em nível de pós-graduação. Tais informações são utilizadas para discutir a dificuldade de promover articulação de fato entre a formação em nível de graduação e a pós-graduação. Trata-se de dificuldade especialmente curiosa, pois desde a fase inicial da organização da pós-graduação brasileira, a necessidade de considerar sua integração com a formação em nível de graduação foi sempre ressaltada. Ainda assim, persistem dificuldades relativas à essa integração. Algumas proposições de atividades que podem ensejar articulações entre os diferentes níveis de formação são apresentadas para o debate, tanto na esfera do ensino e da orientação como no âmbito da pesquisa, havendo menção, também, a atividades correlatas que podem servir ao mesmo objetivo.
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Along with the growth of scientific production, the bibliometric studies have become essential, providing relevant information about any domain while identifying, highlighting and viewing the scientific knowledge constructed within a theme, subject or knowledge area. This article approaches the bibliometric studies under the light of metatheory and domain analysis within the knowledge organization in information science. domain analysis and metatheory are considered significant contribution to bibliometric studies when emphasizing the need for epistemological, sociological and historical analyzes, as well as other qualitative approaches, encouraging researchers to reflect on the whole composition of the research object, by means of different methodological, theoretical and epistemological approaches. This study aims at contributing to the discourse of the theoretical aspects of bibliometric studies by presenting considerations concerning Hjorland's domain analysis, as well as Ritzer's metatheoretical approach, featuring discussions on major theories of a study field, since these approaches together provide a more complete qualitative view upon an area, here, represented by the bibliometric studies.
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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With the aim of analyzing the information search behavior of investors working in the stock market, this research sought to raise the aspects related to this behavior with focus on the cognitive and causal aspects which pervade the need for information of these investors. For that, the general pattern of informational behavior proposed by Wilson [10], and also the analysis of a report from an investor of the stock market area were used as basis for the analysis and reflection. The report of only one investor was used as basis for investigation, turning it impossible to extrapolate such result to a greater universe. The objective of this research was to investigate the need for information, the context and the intervenient variables which might interfere or not in the information search behavior of investors, in an attempt to get a deeper comprehension about the subject, as well as to propose the continuity of studies with basis on this study proposal.
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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Pós-graduação em Ciências da Motricidade - IBRC
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The physics of plasmas encompasses basic problems from the universe and has assured us of promises in diverse applications to be implemented in a wider range of scientific and engineering domains, linked to most of the evolved and evolving fundamental problems. Substantial part of this domain could be described by R–D mechanisms involving two or more species (reaction–diffusion mechanisms). These could further account for the simultaneous non-linear effects of heating, diffusion and other related losses. We mention here that in laboratory scale experiments, a suitable combination of these processes is of vital importance and very much decisive to investigate and compute the net behaviour of plasmas under consideration. Plasmas are being used in the revolution of information processing, so we considered in this technical note a simple framework to discuss and pave the way for better formalisms and Informatics, dealing with diverse domains of science and technologies. The challenging and fascinating aspects of plasma physics is that it requires a great deal of insight in formulating the relevant design problems, which in turn require ingenuity and flexibility in choosing a particular set of mathematical (and/or experimental) tools to implement them.
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Pós-graduação em Genética e Melhoramento Animal - FCAV
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)