PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Starting in the 1860s, this remote site became a major source for silver, lead, zinc, and other minerals.
http://www.w3.org/ns/prov#wasQuotedFrom
  • varnelis.net