PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In one embodiment, the natural gas is heated to a temperature at which a fraction of the natural gas is converted to hydrogen and a reactive hydrocarbon such as acetylene or ethylene.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com