PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In general, one aspect of the invention is a system which includes a fuel cell and a humidifier connected to the fuel cell.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com