Johnnatan Messias

2026

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Introduction to the Special Issue on Advanced Technologies in the Decentralized Web (Part 1).
Johnnatan Messias|Keke Gai|Maha Abdallah|Wei Cai
ACM Transactions on the Web 2026 Volume 20 Issue 1

2019

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Search bias quantification: investigating political bias in social media and web search.
Juhi Kulshrestha|Motahhare Eslami|Johnnatan Messias|Muhammad Bilal Zafar|Saptarshi Ghosh|Krishna P. Gummadi|Karrie Karahalios
Discover Computing 2019 Volume 22 Issue 1-2
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(Mis)Information Dissemination in WhatsApp: Gathering, Analyzing and Countermeasures.
Gustavo Resende|Philipe F. Melo|Hugo Sousa|Johnnatan Messias|Marisa Vasconcelos|Jussara M. Almeida|Fabrício Benevenuto
The World Wide Web Conference, WWW 2019, San Francisco, CA, USA, May 13-17, 2019