PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Wait, you say, gas is a finite resource, how could gas reserves possibly increase?Measuring gas in the ground is complex and costly.
http://www.w3.org/ns/prov#wasQuotedFrom
  • perc.org