PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Many, many hours have been spent by really brilliant people trying to reconcile the 'force' of gravity with such forces as magnetism.
http://www.w3.org/ns/prov#wasQuotedFrom
  • fqxi.org