PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The NTP agency has been issuing reports on carcinogens periodically since 1980, and the pending 12th such study covers seven chemicals and substances other than styrene.
http://www.w3.org/ns/prov#wasQuotedFrom
  • icis.com