PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Service stations or other facilities that use underground storage tanks often have contaminants around the tanks due to small leaks or spills that occur in filling the tanks.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com.au