PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Further, the solution proposed by this patent has not yet proven to be effective.Accordingly, there is a need for an effective, easy, portable athletic equipment grip cleaner, particularly a golf club grip cleaner.
http://www.w3.org/ns/prov#wasQuotedFrom
  • freepatentsonline.com