1. Laboratory for Applied Ontology, ISTC-CNR, Trento, Italy. E-mail: dolce@loa.istc.cnr.it
2. Dipartimento di Filologia Classica e Italianistica, FICLIT, University of Bologna, Italy
3. Semantic Technology Laboratory, ISTC-CNR, Italy
4. Dipartimento di Antichità, Filosofia, e Storia, DAFIST, University of Genova, Italy
5. Institut de Recherche en Informatique de Toulouse, CNRS, Toulouse, France