PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The Montreal Protocol is an international treaty that is successfully protecting the Earth's stratospheric ozone layer by phasing out the production and consumption of ozone depleting chemicals, including CFCs, HCFCs, halons and methyl bromide.
http://www.w3.org/ns/prov#wasQuotedFrom
  • unep.org