PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Relatively popular, ferromagnetic materials include carbonyl iron or ferrite oxide mixed with other oxides or ferrites or garnet, and materials such as magnesium, nickel, lithium, yttrium, and/or calcium vanadium.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com