PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • We must have a steady backbone of reliable energy to hang the inherently intermittent sources such as wind and solar.
http://www.w3.org/ns/prov#wasQuotedFrom
  • washingtonpost.com