PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It is also possible to use an inorganic material such as silicon oxide (SiO2) and silicon nitride (Si3N4).
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com