PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • But most of the greenhouse gases that are causing our world to warm up are trapped in a layer of air less than six miles thick.
http://www.w3.org/ns/prov#wasQuotedFrom
  • resurgence.org