PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Several writers have contributed thoughtful essays to the conversation, most notably Sanchez, Ross Douthat, Jim Manzi, and Noah Millman.
http://www.w3.org/ns/prov#wasQuotedFrom
  • slate.com