GRUNINGER, M.; KOPENA, J. B. Semantic Integration through Invariants. AI Magazine, [S. l.], v. 26, n. 1, p. 11, 2005. DOI: 10.1609/aimag.v26i1.1795. Disponível em: https://ojs.aaai.org/aimagazine/index.php/aimagazine/article/view/1795. Acesso em: 28 mar. 2024.