1. Bojars, U., Breslin, J.G.: SIOC core ontology specification. Tech. rep., SIOC project (March 2010),
http://rdfs.org/sioc/spec/
2. Brickley, D., Miller, L.: FOAF vocabulary specification. Tech. rep., FOAF project (August 2010),
http://xmlns.com/foaf/spec/
3. Brinkley, J., Suciu, D., Detwiler, L., Gennari, J., Rosse, C.: A framework for using reference ontologies as a foundation for the semantic web. In: AMIA Annual Symposium Proceedings, p. 96. American Medical Informatics Association (2006)
4. Burgun, A.: Desiderata for domain reference ontologies in biomedicine. Journal of Biomedical Informatics 39(3), 307–313 (2006)
5. Carreira, R., Crato, J.M., Gonçalves, D., Jorge, J.a.: Evaluating adaptive user profiles for news classification. In: Proceedings of the 9th International Conference on Intelligent User Interface - IUI 2004, p. 206. ACM Press, New York (2004)