Ryan Ribeiro de Azevedo, Fred Freitas, Rodrigo G. C. Rocha, José Antônio Alves de Menezes, Cleyton Mário de Oliveira Rodrigues, Gabriel de Franca Pereira e Silva. An Approach for Learning and Construction of Expressive Ontology from Text in Natural Language. In 2014 IEEE/WIC/ACM International Joint Conferences on Web Intelligence (WI) and Intelligent Agent Technologies (IAT), Warsaw, Poland, August 11-14, 2014 - Volume II. pages 149-156, IEEE, 2014. [doi]