IN WHATSAPP GROUPS Josemar Alves Caetano, Gabriel Magno, Marcos - - PowerPoint PPT Presentation

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IN WHATSAPP GROUPS Josemar Alves Caetano, Gabriel Magno, Marcos - - PowerPoint PPT Presentation

CHARACTERIZING ATTENTION CASCADES IN WHATSAPP GROUPS Josemar Alves Caetano, Gabriel Magno, Marcos Gonalves, Jussara Almeida, Humberto T. Marques-Neto, Virglio Almeida WebSci 2019 2 Messenger apps popularity App Total users WhatsApp 1.6


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CHARACTERIZING ATTENTION CASCADES IN WHATSAPP GROUPS

Josemar Alves Caetano, Gabriel Magno, Marcos Gonçalves, Jussara Almeida, Humberto T. Marques-Neto, Virgílio Almeida

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Messenger apps popularity

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App Total users WhatsApp 1.6 bi Facebook Messenger 1.3 bi WeChat 1.1 bi Line 700 mi Telegram 200 mi

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WhatsApp, politics and misinformation

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May 2018 October 2018

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What are the ingredients of the WhatsApp architecture that makes it a weaponizable social media platform to distribute misinformation?

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Initial question

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Information cascades and attention economy

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Attention cascade example

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Research questions

  • How different are attention cascades in political and nonpolitical groups on

WhatsApp?

  • What is the impact of false information on the characteristics of attention

cascades?

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Studying attention cascades on WhatsApp using 3 dimensions

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Structural

  • Number of

nodes

  • Depth
  • Maximum

breadth

  • Structural

Virality Temporal

  • Duration
  • Structural

characteristics

  • ver time

User participation

  • Unique users
  • Relationships

motifs

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Data collection and anonymization

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Find Brazilian group links on the Internet

1 2 3

Join groups and extract messages Anonymize dataset

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WhatsApp dataset

# of messages 1.7 mi # of users 31 k # of groups 120

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Group and cascade classification

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Cascade Political With Falsehood Unclassified Non- political With Falsehood Unclassified

Group Political Non- political

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We used six Brazilian fact-checking websites

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Overall cascade analysis

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Structural characteristics (I)

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Structural characteristics (II)

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Temporal characteristics

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Cascade duration and unique users

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User participation motifs

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Present and future work

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  • What kind of content would extend the duration of attention cascades?
  • What is an adequate metric for quantifying attention in a group chat?
  • What is the impact of hate content on the characteristics of attention

cascades?

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Thank you!

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josemarcaetano@dcc.ufmg.br