PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Though people may know that museums such as the Natural History Museum hold reference collections, few people are aware how critical these collections are to our understanding of the world today.
http://www.w3.org/ns/prov#wasQuotedFrom
  • conservation.org