PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This higher temperature, first stage frontal array serves as a pumping site for higher boiling gases such as water vapor or carbon dioxide.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com