PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The left and right earphone speakers 24a, 24b may include ear caps 28 made of silicon, rubber or other soft material for comfortable wearing by a user.
http://www.w3.org/ns/prov#wasQuotedFrom
  • freshpatents.com