PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It has been widely attempted to admix inorganic materials, such as calcium carbonate and clay minerals (e.g. mica), to organic polymer materials in order to improve the mechanical properties of the latter.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com