PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In light of the poor government regulatory performance, an independent third-party organization such as Green Seal or Underwriters Labs should establish a certified safe bottled water program.
http://www.w3.org/ns/prov#wasQuotedFrom
  • nrdc.org