PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Examples of metal oxides include, among others, the oxides of copper, cobalt, manganese, tungsten, bismuth, molybdenum, and iron, such as CuO, CO2O3, CO3O4, CoFe2O4, Fe2O3, MoO3, Bi2MoO6, and Bi2O3.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com