PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • As seen by these reactions, the gas produced comprises hydrogen, carbon monoxide, steam, and some carbon dioxide and is a mixture of water gas and combustion gas.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com