1000 resultados para Administração da produção e sistemas de informação


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Esta pesquisa pretende contribuir para a discussão sobre o ensino de Administração de Empresas de modo geral e, especificamente, sobre as disciplinas "Administração da Produção", "Administração de Materiais" e outras afins e/ou complementares.

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Nos próximos anos são esperados elevados volumes de investimentos em Tecnologia da Informação (TI) no Brasil e no Mundo. Por trás desses investimentos está a expectativa de que as organizações irão alcançar níveis superiores de performance e produtividade, os quais deverão ser gerados, entre outras coisas, por novas formas de organização e práticas inovadoras de negócio viabilizadas pela TI. Nesse contexto, a capacidade de gerir as possíveis resistências que serão trazidas por essas mudanças organizacionais se mostra um dos fatores mais importantes para o sucesso desses investimentos. Diante disso, o objetivo deste trabalho é analisar alguns dos diversos modelos existentes sobre resistência a mudança em implantações de Sistemas de Informação e, a partir da articulação de três deles, propor um metamodelo teórico que poderá ter um maior poder de explicação desse fenômeno.

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Esta animação menciona as disciplinas que constituem o curso de Sistemas de Informação (SI) da Universidade Federal de São Carlos (UFSCar). As disciplinas são separadas nos módulos de 1 a 10, sendo que a apresentação começa do vestibular e vai até o mercado de trabalho.

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Since centuries ago, the Asians use seaweed as an important source of feeding and are their greatest world-wide consumers. The migration of these peoples for other countries, made the demand for seaweed to increase. This increasing demand prompted an industry with annual values of around US$ 6 billion. The algal biomass used for the industry is collected in natural reservoirs or cultivated. The market necessity for products of the seaweed base promotes an unsustainable exploration of the natural banks, compromising its associated biological balance. In this context, seaweed culture appears as a viable alternative to prevent the depletion of these natural supplies. Geographic Information Systems (GIS) provide space and produce information that can facilitate the evaluation of important physical and socio-economic characteristics for the planning of seaweed culture. This objective of this study is to identify potential coastal areas for seaweed culture in the state of Rio Grande do Norte, from the integration of social-environmental data in the SIG. In order to achieve this objective, a geo-referred database composed of geographical maps, nautical maps and orbital digital images was assembled; and a bank of attributes including physical and oceanographical variables (winds, chains, bathymetry, operational distance from the culture) and social and environmental factors (main income, experience with seaweed harvesting, demographic density, proximity of the sheltered coast and distance of the banks) was produced. In the modeling of the data, the integration of the space database with the bank of attributes for the attainment of the map of potentiality of seaweed culture was carried out. Of a total of 2,011 ha analyzed by the GIS for the culture of seaweed, around 34% or 682 ha were indicated as high potential, 55% or 1,101 ha as medium potential, and 11% or 228 ha as low potential. The good indices of potentiality obtained in the localities studied demonstrate that there are adequate conditions for the installation of seaweed culture in the state of Rio Grande do Norte

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This work demonstrates the importance of using tools used in geographic information systems (GIS) and spatial data analysis (SDA) for the study of infectious diseases. Analysis methods were used to describe more fully the spatial distribution of a particular disease by incorporating the geographical element in the analysis. In Chapter 1, we report the historical evolution of these techniques in the field of human health and use Hansen s disease (leprosy) in Rio Grande do Norte as an example. In Chapter 2, we introduced a few basic theoretical concepts on the methodology and classified the types of spatial data commonly treated. Chapters 3 and 4 defined and demonstrated the use of the two most important techniques for analysis of health data, which are data point processes and data area. We modelled the case distribution of Hansen s disease in the city of Mossoró - RN. In the analysis, we used R scripts and made available routines and analitical procedures developed by the author. This approach can be easily used by researchers in several areas. As practical results, major risk areas in Mossoró leprosy were detected, and its association with the socioeconomic profile of the population at risk was found. Moreover, it is clearly shown that his approach could be of great help to be used continuously in data analysis and processing, allowing the development of new strategies to work might increase the use of such techniques in data analysis in health care

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)

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O objetivo deste trabalho foi identificar e mapear áreas suscetíveis a movimentos de massa, por meio das geotecnologias, no município de Várzea Paulista (SP). Para o propósito, foram utilizados os mapas de declividade, geológico, geomorfológico e de uso e ocupação da terra, que foram sobrepostos por meio da Análise Multicritério no SIG ArcGIS. Cada tema recebeu seu peso de influência para deflagração de tais processos e como resultado final foi obtido o mapa de suscetibilidade a movimentos de massa do município em questão. Paralelamente foi elaborado o estudo da orientação de vertentes, para determinação daquelas que apresentam maiores riscos em comparação com os dados coletados em campo. Constatou-se que existem muitas áreas ocupadas dentro do município que carecem de monitoramento do Poder Público, principalmente nos meses chuvosos, pois se encontram em locais frágeis do ponto de vista geológico-geomorfológico.

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The purpose of this article is to identify the contributions of Information Systems (IS) for environmental management practices, as well as the opportunities and challenges in this relation. Thus, we performed two case studies with Brazilian enterprises certified ISO 14001, by conducting interviews, document analysis and direct observation. As results, we present the identification of the main contributions of information systems for environmental management practices in the studied cases, the verification that a more advanced stage regarding IS is a factor that implies a more effective contribution, besides finding challenges and opportunities in this relation. The main contribution of this research consists of the presentation of a framework that identifies the support of information systems for environmental practices.

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The aim of the present research is to analyse Ancib’s scientific production in the workgroup GT7 named Production and Communication of Information in ST&I, between the years of 2003 and 2009, through bibliometric indicators, from which it is possible to indicate what is more important or significant within a scientific field or context, so as to therefore analyse trends, existing relations or processes. The bibliometric studies are an approach method for the analysis of science behaviour in a given field. More specifically, by means of production and connection indicators, it aims at revealing and portraying the most productive authors, the kind of authorship present in this group, the most recurrent themes, most productive institutions, and the collaborative network determined by the institutional coauthorships and their indicators, so as to map and visualize the main researchers and institutions of the present GT, within the period of time in question. The research procedure derived from studying the 94 research project results presented in the period, where the paper reference, summary and corresponding key words can be found. Analysis concerning the most productive authors, most recurrent themes, kinds of authorship and most productive institutions have been carried out from the variables under review. The collaborative network between the institutions was built using the Pajek software, and, with the help of the Ucinet software, indicators of degree centrality, betweeness centrality, and closeness centrality have been reached, besides the calculation of density. The results point to 11 researchers and 9 institutions as the most productive ones. The collaborative institutional network was shown to be fragile, presenting low density, and in general the participating institutions have presented low centrality indexes. As a conclusion, it has been observed that the themes focus, in general, on bibliometric analysis and their indicators, using regional and national data as their universe.

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Governament organizations has as challenge for their governance the requirement ro improve evaluation system that measure the acting of their mediations and profefer for society informations about achievements. The text analyze the challenges and advances of evaluation tools for produce guidelines that could be inserted at context of decision-making from public agents. Thereunto informations must be reliable and real-time, creating vectors of haste for modernization of informational capacity of State as a whole.

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The aim of this work is to advance a new approach for estimating demographic density, through combining a Geographic Information System with GMDH Neural Networks. The model that is suggested parts the analyzed space into a rectangular grid formed by multiple cells measuring 0.01 km2 each. The forecasts are elaborated based on the demographic density in each cell and in its neighboring cells at a given time. Despite the limited availability of data during the modeling phase, the utilization of this method for studying a Brazilian medium-sized city presented promising results.