PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Ammonia toxicity, due to nitrogen in its ammonium form, can harm fish and other aquatic organisms.
http://www.w3.org/ns/prov#wasQuotedFrom
  • kingcounty.gov