Washington Cunha, Leonardo Rocha, and Marcos Gonçalves. 2021.
 Extended Pre-Processing Pipeline For Text Classification: On the Role of Meta-Features, Sparsification and Selective Sampling. In <em>Anais Estendidos do XXXVI Simpósio Brasileiro de Bancos de Dados</em>, outubro 04, 2021, Rio de Janeiro, Brasil. SBC, Porto Alegre, Brasil, 165-170. DOI: <a href="https://doi.org/10.5753/sbbd_estendido.2021.18180">https://doi.org/10.5753/sbbd_estendido.2021.18180</a>.