PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The EPA???s toxic chemical releases measure the amount of a toxic chemicals released into the air and water, injected underground, deposited into landfills and other disposal sites.
http://www.w3.org/ns/prov#wasQuotedFrom
  • opb.org