Search Results for author: Wagner Meira Jr

Found 3 papers, 2 papers with code

Graph Pattern Mining and Learning through User-defined Relations (Extended Version)

1 code implementation14 Sep 2018 Carlos H. C. Teixeira, Leonardo Cotta, Bruno Ribeiro, Wagner Meira Jr

In this work we propose R-GPM, a parallel computing framework for graph pattern mining (GPM) through a user-defined subgraph relation.

Stochastic Optimization

Characterizing and Detecting Hateful Users on Twitter

2 code implementations23 Mar 2018 Manoel Horta Ribeiro, Pedro H. Calais, Yuri A. Santos, Virgílio A. F. Almeida, Wagner Meira Jr

We observe that hateful users are densely connected, and thus formulate the hate speech detection problem as a task of semi-supervised learning over a graph, exploiting the network of connections on Twitter.

Computers and Society Social and Information Networks

A latent shared-component generative model for real-time disease surveillance using Twitter data

no code implementations20 Oct 2015 Roberto C. S. N. P. Souza, Denise E. F de Brito, Renato M. Assunção, Wagner Meira Jr

Exploiting the large amount of available data for addressing relevant social problems has been one of the key challenges in data mining.

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