PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • With regard to material, the inner and outer walls may be made of the same or different materials, such as aluminum and stainless steel.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com