Esta pesquisa objetiva analisar as representações dos imaginários políticos argentinos durante os anos de 1973 e 1984, por meio dos cartazes de propaganda produzidos no período. Estes anos selecionam um período conturbado da história argentina, o governo peronista (1973) e o governo militar do Processo de Reorganização Nacional (1976-1983), em que as posições políticas se acirram em nome de projetos para a nação e, após a violenta e sistemática repressão da ditadura provocou mudanças sensíveis na forma de atuação política. A escolha do cartaz como fonte para a análise desta pesquisa histórica de dá por este se configurar como um veículo de difusão e circulação de mensagens de caráter efêmero, mas que possui potencial para atingir um grande número de pessoas. Essa fonte compõe um elemento rico em representações dos imaginários políticos, sobre as visões e concepções de futuro e das críticas e anseios que seus grupos elaboradores desejavam divulgar para um grande público. As fontes visuais possibilitam um sem número de inferências, mobilizam elementos simbólicos, culturais, políticos, históricos, nacionais e universais, sempre partilhando com seu observador as referências representacionais para, enfim, cumprir seu papel de comunicar uma mensagem idealizada por seus realizadores. Nesta pesquisa, a análise dos cartazes procura revisitar um período conturbado da história argentina e, por meios destes, reconstruir parte do imaginário político do período. / This research aims to analyze the representations of imaginary Argentine politicians during the years 1973 and 1984, by means of propaganda posters produced in the period. These years select a turbulent period in Argentine history, the Peronist government (1973) and the military government of the National Reorganization Process (1976-1983), in which the political positions is stoked on behalf of projects for the nation and, after violent and systematic repression of the dictatorship generated sensible changes in the form of political action. The choice of the poster as a source for analysis of historical research gives for this is set up as a vehicle for the dissemination and circulation of messages ephemeral, but which has the potential to reach large numbers of people. This source comprises an element rich representations of the political imaginary, the visions and conceptions of the future and criticisms and concerns that their groups drafters wished to disseminate to a wide audience. Visual sources allow any number of inferences, mobilize symbolic elements, cultural, political, historical, national and universal, always sharing with its observer representational references to finally fulfill its role of communicating a message designed by their makers. In this research, the analysis of the posters attempts to revisit a period of Argentine history and troubled by these means, to rebuild part of the political imaginary of the period.

This study employs semiotic methods to identify the post-revolutionary roles of former Cuban President Fidel Castro in order to classify the transformations of his character portrayal over time. Informed by Goffman's framing theory as well as suggestions of agenda-setting and priming, this qualitative study analyzes 19 propaganda posters for communications of encoded messages. In this medium, the research explores thematic patterns of sociopolitical and sociocultural signs which add to the richness of Castro's appeal. In addition to providing a unique perspective on interrogating visual images, this study offers a better understanding of the influential power of professional design and the use of semiotics in political propaganda.

Online social media, such as news websites and community question answering (CQA) portals, have made useful information accessible to more people. However, many of online comment areas and communities are flooded with fraudulent information. These messages come from a special group of online users, called online paid posters, or termed "Internet water army" in China, represents a new type of online job opportunities. Online paid posters get paid for posting comments or articles on different online communities and websites for hidden purpose, e.g., to influence the opinion of other people towards certain social events or business markets. Though an interesting strategy in business marketing, paid posters may create a significant negative effect on the online communities, since the information from paid posters is usually not trustworthy. We thoroughly investigate the behavioral pattern of online paid posters based on a real-world trace data from the social comments of a business conflict. We design and validate a new detection mechanism, including both non-semantic analysis and semantic analysis, to identify potential online paid posters. Using supervised and unsupervised approaches, our test results with real-world datasets show a very promising performance. / Graduate

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Thesis (M.F.A.)--Rochester Institute of Technology, 1993. / Typescript.

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