PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Read your meter before and after a two-hour period when no water is being used; if there is a difference, there is a leak.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wjhg.com