PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Suitable materials are salts of sodium or calcium such as calcium oxide, calcium carbonate, slaked lime, sodium sulfate, etc.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com