PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The task of flushing and refilling your water tanks is a real pain and the ability to recycle your gray water would extend the maintenance interval on your tanks considerably as many water uses could be done from your gray tank rather than your fresh tank.
http://www.w3.org/ns/prov#wasQuotedFrom
  • 4brad.com