M. DellŽErba, O. Fodor, F. Ricci, H. Werthner:
"Conceptual normalisation of XML data for interoperability in tourism";
Talk: Workshop on Knowledge Transformation for the Semantic Web, KTSW 2002, Lyon, France; 2002; in: "Proceedings of the Workshop on Knowledge Transformation for the Semantic Web, KTSW 2002", (2002).