PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Naturally occurring materials, such as wood, horn and rosin, are also composed of molecules of high molecular weight.
http://www.w3.org/ns/prov#wasQuotedFrom
  • americanchemistry.com