[1]
D. Portolés-Rodríguez, R. Tolosana-Calasanz, J. Nogueras-Iso, R. Rioja, P. R. Muro-Medrano, and J. Zarazaga-Soria, “A hierarchical one-to-one mapping solution for semantic interoperability”, DCMI Proceedings, pp. pp. 185–189, Sep. 2005.