1. Caliusco, M.L.: A Semantic Definition Support Elec-tronic Business Documents in e–Colaboration. PhD thesis. UTN - F.R.S.F. Santa Fe, Argentina (2005)
2. Cranefield, S.: UML and the Semantic Web. In: Proceedings of SWWWS 2001, The First Semantic Web Working Symposium, pp. 113–130. Stanford University, California (2001)
3. De Souza Baptista, C., Vasconcelos, K.F., Arruda, L.S.: On- toEditor:a Web tool for manipulating ontologies stored in data-base servers. In: 15th International workshop on Database and Expert Systems Applications (2004)
4. Falbo, R.A.: Experiences in Using a Method for Build-ing Domain Ontologies. In: Proceedings of the Sixteenth International Conference on Software Engineering and Knowledge Engineering, SEKE 2004, pp. 474-477 (2004)
5. International Workshop on Ontology In Action, OIA 2004 (2004)