PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Furthermore, a large part of the world's oil supply comes from nations such as Venezuela, Nigeria, Iraq, Iran, Saudi Arabia, and Russia that are actually or potentially unstable, hostile to the United States, or both, and it would be prudent to reduce our dependence on such suppliers.
http://www.w3.org/ns/prov#wasQuotedFrom
  • volokh.com