PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • I do hope they continue to expand the site to include more Science, Social Studies, and other subjects, and it appears they are working towards that aim.
http://www.w3.org/ns/prov#wasQuotedFrom
  • blogspot.com