PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Celluloid was strong and easily moldable, which made it an easy replacement for such materials as ivory and wood.
http://www.w3.org/ns/prov#wasQuotedFrom
  • chemheritage.org