PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • There is a lot of potential for discovery investment flows into some of the base metals, including copper and zinc, and some of the special metals such as manganese, vanadium and graphite.
http://www.w3.org/ns/prov#wasQuotedFrom
  • businessinsider.com