PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • For instance, conventional industrial lighting systems have no means of collecting and displaying wear data on the system, so that maintenance personnel can anticipate problems, such as a contactor failure or wearout, lamp failure or wearout, or other problem before it occurs.
http://www.w3.org/ns/prov#wasQuotedFrom
  • freepatentsonline.com