PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • However, ties with developed markets such as the EU and US, are loosening, as unconventional energy production and energy efficiency increases in these regions.
http://www.w3.org/ns/prov#wasQuotedFrom
  • tradearabia.com