PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Cyanide may be produced by the pyrolysis (incomplete burning) of common synthetic or plastic materials as well as from natural materials such as wood, paper and silk.
http://www.w3.org/ns/prov#wasQuotedFrom
  • biospace.com