PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • So looking back, perhaps there was a time when an ideal and safe keyword density did exist, but does it exist today?
http://www.w3.org/ns/prov#wasQuotedFrom
  • dave-lucas.com