1. Bahaj, M., Bakkas, J.: Automatic conversion method of class diagrams to ontologies maintaining their semantic features. Int. J. Soft Comput. Eng. (IJSCE) 2, 65 (2013)
2. Cranefield, S.: UML and the semantic web (2001)
3. Carroll, J.J., Dickinson, I., Dollin, C., Reynolds, D., Seaborne, A., Wilkinson, K.: Jena: implementing the semantic web recommendations. In: Proceedings of the 13th International World Wide Web Conference on Alternate Track Papers and Posters, pp. 74–83. ACM, May 2004
4. Candan, K.S., Liu, H., Suvarna, R.: Resource description framework: metadata and its applications. ACM SIGKDD Explor. Newslett. 3(1), 6–19 (2001)
5. Decker, S., et al.: The semantic web: the roles of XML and RDF. IEEE Internet Comput. 4(5), 63–73 (2000)