M. McHale. Proceedings of the COLING/ACL Workshop on Usage of WordNet in Natural Language Processing Systems, August 16, 1998, Montreal, Canada, Association for Computational Linguistics, Morristown, NJ, USA, (1998)
D. Laniado, D. Eynard, und M. Colombetti. Semantic Web Application and Perspectives - Fourth Italian Semantic Web Workshop, Seite 192--201. (Dezember 2007)