PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • At the same time, neptunium, uranium, technetium, thorium, and other contaminants are also found at significantly above background levels in the same locales.
http://www.w3.org/ns/prov#wasQuotedFrom
  • cdc.gov