D. Salda\ na-Jimenez, M. Rodr\'ıguez, J. Garc\'ıa-Vázquez, и A. Espinoza. Proceedings of the Confederated International Workshops and Posters on On the Move to Meaningful Internet Systems: ADI, CAMS, EI2N, ISDE, IWSSA, MONET, OnToContent, ODIS, ORM, OTM Academy, SWWS, SEMELS, Beyond SAWSDL, and COMBEK 2009, стр. 622--627. Berlin, Heidelberg, Springer-Verlag, (2009)