Keywords attention for fake news detection using few positive labels - Souza, Mariana Caravanti de; Gôlo, Marcos Paulo Silva; Jorge, Alípio Mário Guedes; Amorim, Evelin Carvalho Freire de; Campos, Ricardo Nuno Taborda; Marcacini, Ricardo Marcondes; Rezende, Solange Oliveira (Information Sciences, 2024)