PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In the replenishment unit 94, the concentration of metallic ions, together with the pH and other ions, are monitored.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com