PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • By heating the raw material, the cellulose gives off gaseous products such as carbon dioxide, carbon monoxide, hydrogen, methane and water vapor.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com