PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This includes such combinations as ethane or propane and air which have been used as test gases or as peak shaving gases when the demand for pipeline gas exceeds the supply.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.es