@inproceedings{Naviglietal:04, author = {Roberto Navigli and Paola Velardi and Alessandro Cucchiarelli and Francesca Neri}, title = {Extending and Enriching WordNet with OntoLearn}, booktitle = {Proceedings of the $2^{nd}$ Global WordNet Conference 2004 (GWC 2004)}, year = 2004, address = {Brno, Czech Republic}, pages = {279--284}, }