PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Among the more important applications are underground cavities for the storage of liquids, gasses, and solids, including such materials as oil, gas, compressed air, petrochemicals, and nuclear wastes.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com