PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In its most basic form, the present invention provides a means for automatically adjusting the center of gravity of the repetitively moving portion, including at least the screen, of a shale shaker or like device.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com