PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • How anyone would know whether assumed gas fields will benefit all of Europe is a mystery, when neither the final drilling results are known, nor who and how eventual confirmed finds will be marketed.
http://www.w3.org/ns/prov#wasQuotedFrom
  • economist.com