Semiodiscursive analysis of TV newscasts based on data mining and image processing.
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Date
2018
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Abstract
This work addresses the development of a novel computer-aided methodology for
discourse analysis of TV newscasts. A TV newscast constitutes a particular type of discourse and has
become a central part of the modern-day lives of millions of people. It is important to understand how this
media content works and how it affects human life. To support the study of TV newscasts under the
discourse analysis perspective, this work proposes a newscast structure to recover its main units and extract
relevant data, named here as newscast discursive metadata (NDM). The NDM describes aspects, such as
screen time and field size of newscasts’ participants and themes addressed. Data mining and image analysis
methods are used to extract and analyze the NDM of a dataset containing 41 editions of two Brazilian
newscasts. The experimental results are promising, demonstrating the effectiveness of the proposed
methodology.
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Keywords
Journalism, Computing, Discursive metadata, Análise do discurso, Jornalismo
Citation
CONCEIÇÃO, F. L. A. et al. Semiodiscursive analysis of TV newscasts based on data mining and image processing. Acta Scientiarum. Technology, Maringá, v. 39, n. 3, p. 357-365, jul/set., 2017. Disponível em: <http://periodicos.uem.br/ojs/index.php/ActaSciTechnol/article/view/29763>. Acesso em: 16 jun. 2018.