PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The group "said its tests of water collected just yards from the spill site here showed dangerous level of toxins, including arsenic, chromium, lead, iron and other heavy metals.
http://www.w3.org/ns/prov#wasQuotedFrom
  • planetizen.com