F. Bobillo, P. da Costa, C. dŽAmato, N. Fanizzi, K.B. Laskey, K.J. Laskey, T. Lukasiewicz, T. Martin, N. Nickles, M. Pool, S. Smrz (ed.):
"Proceedings of the Fifth International Workshop on Uncertainty Reasoning for the Semantic Web (URSW 2009)";
CEUR-Proceedings, Aachen, Vol. 527, 2009, ISSN: 1613-0073; 88 pages.