PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The usual type of controller is a PID controller in which a signal proportional to engine RPM is combined with a derivative signal and an integral signal to generate an error voltage used to regulate a throttle or other engine speed control device.
http://www.w3.org/ns/prov#wasQuotedFrom
  • freepatentsonline.com