PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • John Geiger is an internationally known explorer and author who has been investigating this phenomenon for years and said it remains a great mystery.
http://www.w3.org/ns/prov#wasQuotedFrom
  • go.com