PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The precautions taken in handling the oil in the Alaskan Arctic are not sufficient because just two years ago there was a major spill of more than a 1/4 million gallons of crude oil at Prudhoe Bay (where the oil fields are).
http://www.w3.org/ns/prov#wasQuotedFrom
  • dailystatesman.com