Anderson Lamas, Jugurta Lisboa Filho, Ronoel Botelho Júnior, and Alcione Oliveira. 2009.
 Ontologies and Web Services applied to the development of Geographic Information Systems Sensitive to the Context. In <em>Proceedings of the 5th Brazilian Symposium on Information Systems</em>, May 20, 2009, Brasília, Brasil. SBC, Porto Alegre, Brasil, 157-168. DOI: <a href="https://doi.org/10.5753/sbsi.2009.6174">https://doi.org/10.5753/sbsi.2009.6174</a>.