PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Some of the more common water contaminants for any home receiving water from a municipal supply include chlorine, heavy metals such as lead or cadmium, radioactive materials or bacterial microorganisms.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sfgate.com