Semantic Web : Grundlagen / P. Hitzler [et al.], 2008 r=on-line. - Текст : электронный.
The semantic web: research and applications : 3rd european semantic web conference, ESWC 2006 Budva, Montenegro, June 11-14, 2006: hroceedings / SpringerLink (Online service), 2006 r=on-line. - Текст : электронный.