PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • High levels of nitrates and nitrites (the reduced form of nitrate) could be a health risk, especially to infants and others whom have issues related to oxygen in the blood.
http://www.w3.org/ns/prov#wasQuotedFrom
  • dukescounty.org