963 resultados para discursive norm


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Esta comunicação, baseando-se num extenso corpus oral que está a ser recolhido, procurará refletir de que modo a língua realizada oralmente nos permite perceber o que realmente são e como funcionam as línguas para além da dimensão formalizada da escrita. Pretende-se demonstrar que é a linguagem em uso que melhor evidencia muitos aspetos impossíveis de perceber por uma designada do sistema. Assim, procurar-se-á verificar até que ponto a verdadeira realização linguística da oralidade respeita a noção de frase e de norma, bem assim como especificamente realiza várias dimensões lexicais e pragmáticas.

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Dissertação de mestrado em Ciência Política

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Dissertação de mestrado em Direito Tributário e Fiscal

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Constructivist approaches to journalism, which have dominated the field for most of the second half of the 20th century, underline how selection and ranking processes produce representations and interpretations of social reality. Theoretical perspectives such as agenda-setting or framing have been pointing to the ways production of news messages are shaped and issues are defined. Research inspired by these contributions does however seem to keep in an area of relative shade not so much what is said and published but what is not selected: the unsaid, the withheld, the untold of journalism. The reality that remains in silence, for not being noticed or for being silenced, is the reverse of the coin of what is made visible. In this paper, it is suggested that this situation opens up the debate to a relatively unknown continent, which could contribute to the larger discussion on the current crisis in journalism. It is our contention that ‘the untold’ might be at the confluence of different levels: the journalistic agenda-setting by news sources; the deterioration of working conditions of journalists, compromising the investigation; and the social capital asymmetries from important segments of the population, hampering the public word (speech?) and the right to communicate. In order to build a comprehensive picture of the potentialities and contradictions of journalism from the unsaid side, we would put forward the outline of a typology of journalism's silences, with particular emphasis on some aspects of "discursive discrimination" (Boréus, 2006), on the one hand, and on citizen silence in the process of journalistic production, on the other hand.

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Dissertação de mestrado em Sociologia (área de especialização em Desenvolvimento e Políticas Sociais)

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Dissertação de mestrado em Património e Turismo Cultural

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Dissertação de mestrado em Comunicação, Arte e Cultura

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Public participation in environmental governance is typically associated with citizen access to power despite many closures and limitations having been identified in participatory processes. This article proposes an analytical framework to analyse discursive practices involved in public consultation processes. Critical Discourse Analysis is used to examine and appraise citizens’ access, standing and influence. We apply that framework to a ‘notice and comment’ process on a hydroelectric power plan in Portugal and show that it was discursively managed to justify the decision of constructing 10 large dams and to reject critical or alternative views. Citizens’ access, standing and influence were constrained through diverse discursive practices which (re)produced very unequal power relationsbetween policy proponents and participating individuals. More generally, the article illustrates the potential of Critical Discourse Analysis to assess voice(s) in policy processes. Focusing on argumentative, interactional and rhetorical levels, and how they are interwoven in public consultation discourses, the proposed framework is conceivably applicable in other studies.

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A análise do discurso jornalístico e do seu enraizamento social tem conhecido avanços significativos nas últimas duas décadas, especialmente devido ao surgimento e desenvolvimento da Análise Crítica do Discurso. No entanto, há três aspectos importantes que merecem mais investigação: o plano temporal na análise do discurso, as estratégias discursivas dos atores sociais, e os efeitos extra e supra-textual do discurso mediatizado. Em primeiro lugar, a compreensão da biografia dos assuntos públicos exige uma análise longitudinal dos textos mediatizados e dos seus contextos sociais, mas a maioria das formas de análise do discurso jornalístico não tem em conta a sequência temporal dos textos e as suas implicações. Em segundo lugar, como a representação mediática das questões sociais é, em grande medida, função da construção discursiva de eventos, problemas e posições por diferentes atores sociais, as estratégias discursivas que eles empregam numa variedade de arenas e canais ‘antes’ e ‘depois’ dos textos jornalísticos precisam de ser examinados. Em terceiro lugar, o facto de que muitos dos modos de operação do discurso são extra- ou supra-textuais requer que se tenha em consideração vários processos sociais ‘fora’ do texto. Este trabalho tem como objetivo produzir um contributo teórico e metodológico para a integração destas questões em análise do discurso, propondo um quadro analítico que combina uma dimensão textual com uma contextual.

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The analysis of journalistic discourse and its social embeddedness has known significant advances in the last two decades, especially due to the emergence and development of Critical Discourse Analysis. However, three important aspects remain under-researched: the time plane in discourse analysis, the discursive strategies of social actors, and the extra- and supra-textual effects of mediated discourse. Firstly, understanding the biography of public matters requires a longitudinal examination of mediated texts and their social contexts but most forms of analysis of journalistic discourse do not account for the time sequence of texts and its implications. Secondly, as the media representation of social issues is, to a large extent, a function of the discursive construction of events, problems and positions by social actors, the discursive strategies that they employ in a variety of arenas and channels ‘‘before’’ and ‘‘after’’ journalistic texts need to be examined. Thirdly, the fact that many of the modes of operation of discourse are extra- or supra-textual calls for a consideration of various social processes ‘‘outside’’ the text. This paper aims to produce a theoretical and methodological contribution to the integration of these issues in discourse analysis by proposing a framework that combines a textual dimension with a contextual one

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Dissertação de mestrado em Ciências da Comunicação (área de especialização em Informação e Jornalismo)

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Dissertação de mestrado em Comunicação, Arte e Cultura

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Magdeburg, Univ., Medizin. Fakultät, Diss., 2005

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This paper devotes to evaluation of performance bottlenecks and algorithm deficiencies in the area of contemporary reliable multicast networking. Hereby, the impact of packet delay jitter on the end-to-end performance of multicast IP data transport is investigated. A series of tests with two most significant open-source implementations of reliable multicast is performed and analyzed. These are: UDP-based File Transfer Protocol (UFTP) and NACK-oriented Reliable multicast (NORM). Tests were targeted to simulate scenario of content distribution in WAN – sized Content Delivery Networks (CDN). Then, results were grouped and averaged, by round trip time and packet losses. This enabled us to see jitter influence independently on round trip time(RTT) and packet loss rates. Revealed jitter influence for different network conditions. Confirmed, that appearance of even small jitter causes significant data rate reduction.

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Die Norm DIN 69901 definiert ein Prozessmodell für Projekte. Darauf aufbauend ergeben sich 5 fundamentale Projektphasen Initiierung, Definition, Planung, Steuerung, Abschluss, wobei die Ausbildung der Phasen unternehmensspezifisch vorgenommen wird. Teil 2 der DIN 69901 beschreibt die den einzelnen Projektphasen zugehörigen Prozesse, nimmt jedoch nicht explizit Bezug auf Ansätze zur Verbesserung des individuellen Prozessmodells auf der Grundlage durchgeführter Projekte. Für die einzelnen Phasen eines Projektes ist ein verbindender Prozess zu entwickeln, der an Hand des Projektmanagement-Prozesses und der in den Projekten erzielten Ergebnisse eine kontinuierliche Weiterentwicklung ermöglicht. Dieser Prozessablauf ist zu entwickeln, abzubilden und in das Prozessmodell zu integrieren.