PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A gas, which is inert to the catalyst, such as nitrogen or argon, may be used to carry catalyst into the bed.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com