PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • These minerals are mostly derived from phosphoric acid which forms compounds that buffer, balance, and neutralize both acids and alkalis.
http://www.w3.org/ns/prov#wasQuotedFrom
  • llewellyn.com