PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A ball is particularly suitable for the central valve element because a ball can cooperate on two sides with small-diameter valve seat rings.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com