PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • For example, to further increase pressure within the pressure reactor, an inert gas, particularly nitrogen, can be introduced into the vessel.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com.au