Diego Rossi, Victor Ströele, Jairo Souza, and Fernanda Campos. 2022. Automatic classification of subjective attributes from student messages in virtual learning environments. In Anais do XXXIII Simpósio Brasileiro de Informática na Educação, novembro 16, 2022, Manaus, Brasil. SBC, Porto Alegre, Brasil, 871-882. DOI: https://doi.org/10.5753/sbie.2022.224725.