Cristina Paludo Santos, DenÃlson Rodrigues da Silva. Interpretation and Recommendation Tasks Supported by Ceres System. In Jan L. G. Dietz, editor, KEOD 2009 - Proceedings of the International Conference on Know ledge Engineering and Ontology Development, Funchal - Madeira, Portugal, October 6-8, 2009. pages 464-467, INSTICC Press, 2009.