PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • However, the value I have used is a direct observation with a known accuracy of around +/- 5 watts, based on the last quality check I noted.
http://www.w3.org/ns/prov#wasQuotedFrom
  • realclimate.org