845 resultados para New paradigm


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El artículo plantea una contribución al debate académico sobre el surgimiento del Gobierno Abierto y los requerimientos de transformación de las Administraciones Públicas para afrontar a los retos que plantea. El texto, en base a la aportación de reflexiones y evidencias, se centra en el ámbito de los profesionales del sector público y la generación de competencias digitales. El marco analítico se combina con la presentación de evidencias basadas en dos estudios de caso de innovación en gestión de recursos humanos. Los resultados obtenidos permiten ilustrar las sinergias que se dan entre el Gobierno Abierto y el desarrollo de las competencias digitales, y cómo con ello se puede orientar la mejora las capacidades institucionales de las Administraciones públicas.

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Gracias al crecimiento, expansión y popularización de la World Wide Web, su desarrollo tecnológico tiene una creciente importancia en la sociedad. La simbiosis que protagonizan estos dos entornos ha propiciado una mayor influencia social en las innovaciones de la plataforma y un enfoque mucho más práctico. Nuestro objetivo en este artículo es describir, caracterizar y analizar el surgimiento y difusión del nuevo estándar de hipertexto que rige la Web; HTML5. Al mismo tiempo exploramos este proceso a la luz de varias teorías que aúnan tecnología y sociedad. Dedicamos especial atención a los usuarios de la World Wide Web y al uso genérico que realizan de los Medios Sociales o "Social Media". Sugerimos que el desarrollo de los estándares web está influenciado por el uso cotidiano de este nuevo tipo de tecnologías y aplicaciones. 

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El ciberespacio es un escenario de conflicto altamente complejo al estar en constante evolución. Ni la Unión Europea ni ningún otro actor del sistema internacional se encuentra a salvo de las amenazas procedentes del ciberespacio. Pero los pasos dados desde la UE en el mundo de la ciberseguridad no son en absoluto suficientes. Europa necesita que su Estrategia de ciberseguridad sea realmente capaz de integrar a las diferentes Estrategias nacionales. Es urgente una mayor determinación, unos mayores recursos y unos mejores instrumentos que permitan a la Unión implementar una gestión de crisis y una prevención de ciberconflictos verdaderamente eficaz.

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SILVA, Flávio César Bezerra da ; COSTA, Francisca Marta de Lima; ANDRADE, Hamilton Leandro Pinto de; FREIRE, Lúcia de Fátima; MACIEL, Patrícia Suerda de Oliveira; ENDERS, Bertha Cruz ; MENEZES, Rejane Maria Paiva de. Paradigms that guide the models of attention to the health in Brazil: an analytic essay. Revista de Enfermagem UFPE On Line., Recife, v.3,n.4, p.460-65. out/dez. 2009. Disponível em < http://www.ufpe.br/revistaenfermagem/index.php/revista/search/results >.

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It is nearly twenty years since Martin Seligman used his 1998 American Psychological Association presidential address to inaugurate the notion of ‘positive psychology.’ The rationale for its creation was Seligman’s contention that psychology had hitherto tended to focus mainly on what is wrong with people, on dysfunction, disorder and distress. There were of course pockets of scholarship that held a candle for human potential and excellence, like humanistic psychology. Nevertheless, on the whole, he argued that concepts such as happiness did not attract much attention or credibility in mainstream psychology. Emerging to redress this lacuna, positive psychology soon became a fertile new paradigm, encompassing research into a panoply of processes and qualities that could be deemed ‘positive,’ from overarching constructs such as flourishing, to more specific concepts like hope.

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Com um número cada vez maior de cidadãos a viver em grandes aglomerados urbanos, as cidades necessitam de se adaptar e tornar mais inteligentes por forma a serem sustentáveis. Desta forma, o conceito de smart city implica a integração de várias dimensões da gestão da cidade, mediante uma abordagem integrada e sustentada, criando um novo mercado per si. Mas, para responder a estas necessidades e conquistar este novo mercado, as empresas têm que se organizar por forma a sustentar as suas decisões estratégicas com ferramentas que permitem a análise e avaliação deste novo paradigma. Baseado nos conceitos de smart cities/cidades inteligentes, este trabalho desenvolve um conjunto de ferramentas que permitem a análise e avaliação de novos mercados pela empresa PTInovação, criando um modelo para a implementação de um mapa de calor/heat map que apresenta as cidades com maior potencial de mercado a nível mundial. Com base neste modelo, é então efetuada uma instanciação do modelo que permite analisar 7 casos diferentes de cidades localizadas na América, África, Ásia e Europa. A partir da análise realizada, é efetuado um caso de estudo para a cidade de Cartagena das Índias, na Colômbia. Este caso de estudo efetua a análise do portfólio de oferta da PTInovação, estuda as necessidades específicas dos utilizadores locais e analisa os potenciais competidores no mercado local, permitindo a realização de uma análise SWOT/TOWS que induz a criação de um plano de ação que permite mapear o processo de entrada da empresa neste mercado.

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Although very little is known about the transport, fate and toxic effects of medical compounds in aquatic environments, the presence of these compounds in potable water sources can no longer be overlooked. We can argue that trace concentrations of drugs in the water is relatively a minor problem, however, the current and future demands on global potable freshwater supplies will probably lead to greater incidents of indirect and direct water-reuse situations at the local, regional, and cross-border levels. It is important to remark that the solution of this emerging ecological issue does not rely on new and better wastewater treatment technologies, but a new paradigm of responsibility and the understanding of the relations between anthropogenic actions and their ecological effects as well. The objective of this brief communication is to present the state of the art of research conducted in the last decade in Europe and United States concerning the presence of pharmaceuticals products in aquatic environments.

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El creciente peso que han alcanzado los mercados y diferentes actores económicos dentro de la escena política mundial, sugieren que estamos frente a un nuevo paradigma en lo que concierne al funcionamiento del Estado nación. El concepto de Geoeconomía surge como respuesta a los cambios que se han comenzado a configurar a partir de la segunda mitad del siglo XX, a su vez que ilustra como a través de la concepción de estrategias de control económico se puede alcanzar dominio y poder en términos internacionales, bien sea a través de los Estados de manera directa o bajo su influencia o beneplácito a través de grandes grupos económicos. En efecto, el presente trabajo de investigación aborda desde la óptica Geoeconómica la progresiva colonización que ha emprendido el sistema financiero colombiano, y más propiamente el Grupo Bancolombia, sobre una serie de activos financieros estratégicos en Centroamérica. Del mismo modo, explica cómo este fenómeno ha traído consigo cambios sustanciales en la dinámica de las relaciones internacionales de Colombia con sus vecinos, a su vez que ha propiciado las condiciones de legitimidad necesarias para una serie de actores privados que podrían llegar incluso a ser capaces de moldear en cierta medida la política interior y exterior del país, tal y como ha sucedido en algunos episodios recientes.

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Wild berries are fundamental components of traditional diet and medicine for Native American and Alaska Native tribes and contain a diverse array of phytochemicals, including anthocyanins and proanthocyanidins, with known efficacy against metabolic disorders. Bioexploration represents a new paradigm under which bioactive preparations are screened in coordination with indigenous communities, to prepare for subsequent in-depth chemical and biological analysis. The inclusive, participatory philosophical approach utilized in bioexploration has additional benefits that could be realized in seemingly disparate areas, such as education and economics. Five species of wild Alaskan berries (Vaccinium uliginosum, V. ovalifolium, Empetrum nigrum, Rubus chamaemorus, and R. spectabilis) were tested using “Screens-to-Nature” (STN), a community-participatory approach to screen for potential bioactivity, in partnership with tribal members from three geographically distinct Alaskan villages: Akutan, Seldovia, and Point Hope. Berries were subsequently evaluated via HPLC and LC-MS2, yielding significant species and location-based variation in anthocyanins (0.9-438.6 mg eq /100g fw) and proanthocyanins (73.7-625.2 mg eq /100g fw). A-type proanthocyanidin dimers through tetramers were identified in all species tested. Berries were analyzed for in vitro and in vivo activity related to diabetes and obesity. R. spectabilis samples increased preadipocyte-factor-1 levels by 82% over control, and proanthocyanidin-rich fractions from multiple species reduced lipid accumulation in 3T3-L1 adipocytes. Furthermore, extracts of V. uliginosum and E. nigrum (Point Hope) reduced serum glucose levels in C57bl/6j mice up to 45%. The same precepts of bioexploration, especially the inclusion of indigenous community perspectives and knowledge, have relevance in other areas of study, such as education and economics. Studies have established the apathetic, low-motivational environment characteristic of many introductory science laboratory classes is detrimental to student interest, learning, and continuation in scientific education. A primary means of arresting this decline and stimulating the students’ attention and excitement is via engagement in hands-on experimentation and research. Using field workshops, the STN system is investigated as to its potential as a novel participatory educational tool, using assays centered around bioexploration and bioactive plant compounds that hold the potential to offset human health conditions. This evaluation of the STN system provided ample evidence as to its ability to augment and improve science education. Furthermore, Strengths, Weaknesses, Opportunities, and Threats (SWOT) analysis was employed as a theoretical framework to review the potential benefits and hurdles associated with developing a wild Alaskan berry commodity. Synthesizing various sources of information – including logistics and harvest costs, sources of initial capital, opportunities in the current superfruit industry, and socioeconomic factors – the development of a berry commodity proves to be a complex amalgam of competing factors which would require a delicate balance before proceeding.

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SILVA, Flávio César Bezerra da ; COSTA, Francisca Marta de Lima; ANDRADE, Hamilton Leandro Pinto de; FREIRE, Lúcia de Fátima; MACIEL, Patrícia Suerda de Oliveira; ENDERS, Bertha Cruz ; MENEZES, Rejane Maria Paiva de. Paradigms that guide the models of attention to the health in Brazil: an analytic essay. Revista de Enfermagem UFPE On Line., Recife, v.3,n.4, p.460-65. out/dez. 2009. Disponível em < http://www.ufpe.br/revistaenfermagem/index.php/revista/search/results >.

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With the dramatic growth of text information, there is an increasing need for powerful text mining systems that can automatically discover useful knowledge from text. Text is generally associated with all kinds of contextual information. Those contexts can be explicit, such as the time and the location where a blog article is written, and the author(s) of a biomedical publication, or implicit, such as the positive or negative sentiment that an author had when she wrote a product review; there may also be complex context such as the social network of the authors. Many applications require analysis of topic patterns over different contexts. For instance, analysis of search logs in the context of the user can reveal how we can improve the quality of a search engine by optimizing the search results according to particular users; analysis of customer reviews in the context of positive and negative sentiments can help the user summarize public opinions about a product; analysis of blogs or scientific publications in the context of a social network can facilitate discovery of more meaningful topical communities. Since context information significantly affects the choices of topics and language made by authors, in general, it is very important to incorporate it into analyzing and mining text data. In general, modeling the context in text, discovering contextual patterns of language units and topics from text, a general task which we refer to as Contextual Text Mining, has widespread applications in text mining. In this thesis, we provide a novel and systematic study of contextual text mining, which is a new paradigm of text mining treating context information as the ``first-class citizen.'' We formally define the problem of contextual text mining and its basic tasks, and propose a general framework for contextual text mining based on generative modeling of text. This conceptual framework provides general guidance on text mining problems with context information and can be instantiated into many real tasks, including the general problem of contextual topic analysis. We formally present a functional framework for contextual topic analysis, with a general contextual topic model and its various versions, which can effectively solve the text mining problems in a lot of real world applications. We further introduce general components of contextual topic analysis, by adding priors to contextual topic models to incorporate prior knowledge, regularizing contextual topic models with dependency structure of context, and postprocessing contextual patterns to extract refined patterns. The refinements on the general contextual topic model naturally lead to a variety of probabilistic models which incorporate different types of context and various assumptions and constraints. These special versions of the contextual topic model are proved effective in a variety of real applications involving topics and explicit contexts, implicit contexts, and complex contexts. We then introduce a postprocessing procedure for contextual patterns, by generating meaningful labels for multinomial context models. This method provides a general way to interpret text mining results for real users. By applying contextual text mining in the ``context'' of other text information management tasks, including ad hoc text retrieval and web search, we further prove the effectiveness of contextual text mining techniques in a quantitative way with large scale datasets. The framework of contextual text mining not only unifies many explorations of text analysis with context information, but also opens up many new possibilities for future research directions in text mining.

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Mestrado em Gestão e Emprendedorismo

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Relatório de estágio apresentado à Escola Superior de Educação de Paula Frassinetti para obtenção de grau de Mestre em Ensino de 1º e 2º ciclo do Ensino Básico

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Relatório de estágio para a obtenção do grau de Mestre em Educação Pré- Escolar e Ensino do 1ºCiclo do Ensino Básico

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Relatório de Estágio apresentado à Escola Superior de Educação de Paula Frassinetti para obtenção do grau de Mestre em Educação Pré-Escolar e Ensino do 1.º Ciclo do Ensino Básico.