PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In the exemplary SMR operation, the first reactant material A would comprise steam and the second reactant material C natural gas or other mixture than contains methane.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com