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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Representa??o de narrativas interativas por meio de visualiza??es com dados extra?dos de redes sociais

Ghidini, Eduardo 29 March 2017 (has links)
Submitted by PPG Ci?ncia da Computa??o (ppgcc@pucrs.br) on 2018-10-10T20:57:07Z No. of bitstreams: 1 EDUARDO GHIDINI_DIS.pdf: 8577965 bytes, checksum: 7ff48e36f96f7a9d7a545af88149f951 (MD5) / Approved for entry into archive by Sheila Dias (sheila.dias@pucrs.br) on 2018-10-17T11:12:35Z (GMT) No. of bitstreams: 1 EDUARDO GHIDINI_DIS.pdf: 8577965 bytes, checksum: 7ff48e36f96f7a9d7a545af88149f951 (MD5) / Made available in DSpace on 2018-10-17T11:21:19Z (GMT). No. of bitstreams: 1 EDUARDO GHIDINI_DIS.pdf: 8577965 bytes, checksum: 7ff48e36f96f7a9d7a545af88149f951 (MD5) Previous issue date: 2017-03-29 / The growth of data generated through the Internet increases the difficulty of gather relevant information for users. To minimize this, it is necessary to presented this information to the users in such a way that they can analyze it and extract useful information. In recent years, the use of narratives for the presentation of large volumes of data has been explored, considering its benefits. In this context, the present work aims to analyze and propose ways of presenting data, in narrative form, in the context of social networks, in order to support user interaction and data analysis. The work presents a model for the representation of narratives through visualizations, with data extracted from social networks, conceived from studies related to the areas of narratives and information visualization. The model was instantiated to enable its analysis through user studies. The studies indicated that the model has several applications, allowing the analysis of different types of data as well as its use by users with and without prior specific interests. We believe that the present work can support the construction of interactive narratives, through visualizations with data extracted from social networks, contemplating, not only the construction of the interface itself but, also, the mapping of the data to its visual representation. / O crescimento de dados gerados com o uso da Internet, faz com que, tamb?m, aumente a dificuldade de fazer com que informa??es relevantes cheguem aos usu?rios. Para que isso aconte?a, al?m do tratamento da informa??o, ? necess?rio que esta informa??o seja apresentada de tal forma que o usu?rio consiga analis?-la e extrair informa??es ?teis. Nos ?ltimos anos, vem se explorando o uso de narrativas para a apresenta??o de grandes volumes de dados, considerando-se os benef?cios desta forma de apresenta??o. Neste contexto, o presente trabalho objetiva analisar e propor formas de apresentar dados, em forma de narrativas, no contexto de redes sociais, a fim de apoiar a intera??o do usu?rio e sua an?lise dos dados. O trabalho apresenta um modelo para representa??o de narrativas por meio de visualiza??es, com dados extra?dos de redes sociais, concebido a partir de estudos relacionados ?s ?reas de narrativas e de visualiza??o de informa??es. O modelo foi instanciado para que viabilizasse a sua an?lise por meio de estudos com usu?rios. Os estudos indicam que o modelo tem variadas aplica??es, tanto no sentido de possibilitar a an?lise de diferentes tipos de dados, como, tamb?m, no que se refere ao uso por usu?rios com e sem interesse pr?vio em algum assunto espec?fico. Atrav?s do modelo proposto e do resultado de sua an?lise, acredita-se que o presente trabalho possa apoiar a constru??o de narrativas interativas neste contexto, contemplando, n?o somente a constru??o da interface em si, mas, tamb?m, o mapeamento dos dados para a sua representa??o visual.
2

A contribui??o da Visualiza??o da Informa??o para a Ci?ncia da Informa??o / The contribution of the Visualization of Information for Information Science

Dias, Mateus Pereira 24 May 2007 (has links)
Made available in DSpace on 2016-04-04T18:36:32Z (GMT). No. of bitstreams: 1 Mateus Pereira Dias.pdf: 6665392 bytes, checksum: e3195a7b8b0ea5d32fc6d23b9a2831fc (MD5) Previous issue date: 2007-05-24 / Digitally filed information is presented to its users in several different ways, thanks to computer resources available now. Under this context, the availability of information as images and graphics was increased to enable user s comprehension about something unknown. One field that has been concerned with this subject is the Visualization of Information, which aim is to potentialize the appropriation of information to the user by means of graphic resources known as Visualization of Information Structures. This work aims to study the behavior of such available structures for an efficient use by the Information Science. It initially offers an analysis of the technical referential about the Visualization of Information area, showing its structures, features and reflexes on the cognitive systems of its users. Finally, the most used types of Visualization of Information and the suggestions to their use at Information Science are presented in a detailed way / As informa??es armazenadas em meios digitais s?o apresentadas aos seus usu?rios de diversas formas, gra?as aos recursos computacionais dispon?veis na atualidade. Sob esse contexto, ampliou-se a disponibiliza??o de informa??es na forma de imagens e gr?ficos, com o objetivo de facilitar a compreens?o do usu?rio sobre algum conhecimento. Uma ?rea que tem se preocupado com esse assunto ? a da Visualiza??o da Informa??o, cujo fim ? o de potencializar a apropria??o de informa??o ao usu?rio, por meio de recursos gr?ficos conhecidos como Estruturas de Visualiza??o de Informa??o. Este trabalho visa a estudar o comportamento de tais estruturas dispon?veis para a utiliza??o eficiente pela Ci?ncia da Informa??o. Inicialmente, oferece uma an?lise do referencial te?rico sobre a ?rea da Visualiza??o da Informa??o, apresenta suas estruturas, caracter?sticas e reflexos no sistema cognitivo dos seus usu?rios. Finalmente, s?o apresentados, de forma detalhada, os tipos de estruturas de Visualiza??o de Informa??es mais utilizados e as sugest?es para o uso de cada um deles para a Ci?ncia da Informa??o

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