D. Morand, I. Garcia, and P. Lalanda. Proceedings of the 16th IEEE International Conference on Emerging Technologies and Factory Automation (EFTA 2011), Toulouse, France, page a.1--a.8. (2011)
S. Bhiri, W. Gaaloul, M. Rouached, and M. Hauswirth. Advances in Web Semantics I: Ontologies, Web Services and Applied Semantic Web, volume 4891 of Lecture Notes in Computer Science, Springer, Berlin, (2009)