Davies John Semantic Web Technologies: trends and research in ontology-based system John Davies,Rudi Studer,Paul Warren - rev.ed. - Great Britain Antony Rowe Ltd, Chippenham, Wiltshire 2006 - xiii,309p.: ill. Include index and bibliography ISBN: 139780470025963, I100470025964 Subjects--Personal Names: --Technology Dewey Class. No.: 025.04 DAV