S. Patwardhan, T. Pedersen, and S. Banerjee. Proceedings of the ACL Interactive Poster and Demonstration Sessions, page 73--76. Ann Arbor, MI, (June 2005)
D. Laniado, D. Eynard, and M. Colombetti. Semantic Web Application and Perspectives - Fourth Italian Semantic Web Workshop, page 192--201. (December 2007)