Teixeira, Jean, Evandro de Barros Costa, Máverick Dionísio, André Câmara Nascimento, and Rafael Ferreira Leite de Mello.
" Automatic Classification of Social Presence in Online Discussions Written in Portuguese." <em>Proceedings of the 31st Brazilian Symposium on Computers in Education,
Online, 2020</em>. SBC, 2020,  
pp.942-951.