PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The engine comprises at least one cylinder (1) with an inlet pipe (6) , an exhaust pipe (4) , a secondary conduit (7) provided with a plug connecting for example the two pipes together so as to recycle towards the inlet pipe a fraction of the waste gases richer in unburned hydrocarbons.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com