PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Water treatment plants are not equipped to remove TDS, which is a measure of all elements dissolved in water, including carbonates, chlorides, sulfates, nitrates, sodium, potassium, calcium and magnesium.
http://www.w3.org/ns/prov#wasQuotedFrom
  • post-gazette.com