PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • For example, U.S. Pat. No. 3,124,231 to Ott, Jr. discloses a mechanism to transfer articles vertically, in particular fragile articles such as bulbs or lamps.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com