1. Berners-Lee, T.: The Semantic Web as a language of logic (2009), http://www.w3.org/DesignIssues/Logic.html
2. Gutierrez-Pulido, J.R., Ruiz, M.A.G., Herrera, R., Cabello, E., Legrand, S., Elliman, D.: ntology languages for the semantic web: A never completely updated review. Knowl.-Based Syst., 489–497 (2006)
3. Guarino, N.: Formal Ontology and Information Systems. In: Proc. of FOIS 1998, Trento, Italy, pp. 3–15. IOS Press, Amsterdam (1998)
4. OntologyDefinition Metamodel. Object Management Group, OMG (2009), http://www.omg.org/spec/ODM/
5. Kalibatiene, D., Vasilecas, O.: Ontology Axioms for the Implementation of Business Rules. Technological and Economic Development of Economy 16(3), 471–486 (2010)