BAILEY-KELLOGG, C.; ZHAO, F. Qualitative Spatial Reasoning Extracting and Reasoning with Spatial Aggregates. AI Magazine, [S. l.], v. 24, n. 4, p. 47, 2003. DOI: 10.1609/aimag.v24i4.1730. Disponível em: https://ojs.aaai.org/aimagazine/index.php/aimagazine/article/view/1730. Acesso em: 23 apr. 2024.