WOODS, W. A. Meaning and Links. AI Magazine, [S. l.], v. 28, n. 4, p. 71, 2007. DOI: 10.1609/aimag.v28i4.2069. Disponível em: https://ojs.aaai.org/index.php/aimagazine/article/view/2069. Acesso em: 30 nov. 2021.