PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • 0A306 Niobium and Tantalum, their metals, alloys and minerals including columbite and tantalite.
http://www.w3.org/ns/prov#wasQuotedFrom
  • eximguru.com