PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A container ship???s collision with the San Francisco Bay Bridge on November 7, 2007 caused a large spill of 54,000 gallons of bunker fuel oil that coated birds and other wildlife.
http://www.w3.org/ns/prov#wasQuotedFrom
  • bird-rescue.org