PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A differential wheeled robot is a mobile robot whose movement is based on two separately driven wheels placed on either side of the robot body.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wikipedia.org