PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Its biggest problems are above ground, in terms of the politics and history surrounding the state oil company PEMEX. The company???s production is declining, starved as it is for capital investment; without investment, Mexico could turn into a crude oil importer.
http://www.w3.org/ns/prov#wasQuotedFrom
  • masterresource.org