Detecção de eventos no Twitter através de Grafos de visibilidade natural

  • Fernanda Ferreira Albuquerque Tenorio Federal University of Alagoas
  • Eduarda Chagas Federal University of Alagoas
  • Pedro Barros UFAL
  • Heitor S. Ramos Universidade Federal de Minas Gerais

Resumo


A Internet vem nos fornecendo cada vez mais dados e informações, ajudando a compreender melhor os seus usuários e o ambiente que os rodeiam. Uma das abordagens usadas para detectar e compreender eventos que ocorrem ao redor do mundo vem sendo a análise de redes sociais, como o caso do Twitter, usado no presente artigo. Assim, considerando a mudança da dinâmica do comportamento dos dados após a presença de um evento, propomos um novo método de detecção baseado no cálculo de métricas de redes complexas aplicadas aos bigram extraídos do conteúdo de Tweets, identificando eventos por meios de mudanças de dinâmica do sistema. Para validar nossa proposta usamos dois conjuntos de dados coletados por [Aiello-2013], no qual observamos resultados satisfatórios quando comparados com as técnicas já presentes na literatura.

Palavras-chave: Redes Social, Analise de Dados

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10/09/2019
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TENORIO, Fernanda Ferreira Albuquerque; CHAGAS, Eduarda ; BARROS, Pedro ; RAMOS, Heitor S.. Detecção de eventos no Twitter através de Grafos de visibilidade natural. In: WORKSHOP DE COMPUTAÇÃO URBANA (COURB), 3. , 2019, Gramado. Anais [...]. Porto Alegre: Sociedade Brasileira de Computação, 2019 . p. 181-193. ISSN 2595-2706. DOI: https://doi.org/10.5753/courb.2019.7477.