PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Most arsenic exists in minerals such as realgar, mispickel (arsenopyrite), and orpiment.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ducksters.com