PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • About 40 species were made extinct over the last 1500 years, including a variety of spectacular flightless waterfowl.
http://www.w3.org/ns/prov#wasQuotedFrom
  • scienceblogs.com