PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In BEAM robotics, a walker is a walking machine that has a driven mode of locomotion by intermittent ground-contacting legs.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wikipedia.org