PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • halogen, such as fluorine, chlorine, bromine or iodine, preferably fluorine or chlorine,
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com.au