PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • By the way, we might just point out that the main purpose of the XL Keystone pipeline is to facilitate exporting dirty oil from Canada to Latin America and other foreign countries.
http://www.w3.org/ns/prov#wasQuotedFrom
  • thinkprogress.org