PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This invention relates to the reforming of hydrocarbons to make fuel gases such as gases containing a high content of methane.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.es