PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This website is a useful resource for those interested in the history of Western hydroelectric dams and other water projects in the first half of the 20th century.
http://www.w3.org/ns/prov#wasQuotedFrom
  • teachinghistory.org