BARR, A. Natural Language Understanding. AI Magazine, [S. l.], v. 1, n. 1, p. 5, 2017. DOI: 10.1609/aimag.v1i1.85. Disponível em: https://ojs.aaai.org/aimagazine/index.php/aimagazine/article/view/85. Acesso em: 16 apr. 2024.