Davies, J., Semantic Web technologies : trends and research in ontology-based systems / Trends and research in ontology-based systems. John Davies, Rudi Studer, Paul Warren. - xiii, 312 p.: ill.; 25 cm. ISBN: 0470025964 (cloth : alk. paper) LCCN: 2006006501 Subjects--Topical Terms: Semantic Web LC Class. No.: TK5105.88815 / .D38 2006