PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In yet another embodiment, the invention is a system for purifying non-potable water to make the water potable.
http://www.w3.org/ns/prov#wasQuotedFrom
  • freepatentsonline.com