PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The chemical converters may be electrochemical devices such as fuel cells or electrolyzers, or chemical devices such as reformers.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.co.uk