de Menezes, Luciana, Hugo Feitosa de Figueirêdo, Ricardo Madeira Fernandes, Tiago Eduardo Silva, and Cláudio de Souza Baptista.
" An Ontology-Based Approach for Semantic and Geographic Modeling of Social Content Sites in the Context of Public Sectors." <em>Proceedings of the 6th Brazilian Symposium on Information Systems,
Marabá, 2010</em>. SBC, 2010,  
pp.262-273.