PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A water softener is an appliance that uses sodium chloride, also known as salt, to treat hard water.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wisegeek.com