PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The present controversy in the US surrounding the proposed Keystone XL pipeline highlights a challenge that many countries face as the global search for oil, gas, and other natural resources continues to expand its reach.
http://www.w3.org/ns/prov#wasQuotedFrom
  • oxfamamerica.org