PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Whether this is related to sunspots, cloud formation, magnetic fields, or other theory does not seem to be well enough understood by scientists to make accurate predictions, at least according to the materials I have read.
http://www.w3.org/ns/prov#wasQuotedFrom
  • washingtonpost.com