PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It is the principal object of the present invention to provide an improved method of controlling a friction device such as a brake or clutch which utilizes simpler means than has hitherto been required and which affords more reliable control, especially with respect to the controlled application of the frictional force or the controlled coupling of the two relatively movable members.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com