PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Scientists consider the tropical tropopause to be the gateway for water vapor, ozone and other gases that enter the stratosphere.
http://www.w3.org/ns/prov#wasQuotedFrom
  • aerotechnews.com