PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • For all these reasons, immigrants are an example of what is now termed a hidden or hard-to-reach population.
http://www.w3.org/ns/prov#wasQuotedFrom
  • migrationpolicy.org