PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Buffers are such chemicals as calcium or mag???nesium carbonate, which can absorb a significant amount of acid.
http://www.w3.org/ns/prov#wasQuotedFrom
  • trueart.info