PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Moreover, contaminants such as chlorine, arsenic, lead, and copper are often found in drinking water.
http://www.w3.org/ns/prov#wasQuotedFrom
  • foreffectivegov.org