PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The site is a little tough to navigate, but the videos look appropriate for mid- to late-elementary, and maybe into early junior high.
http://www.w3.org/ns/prov#wasQuotedFrom
  • home-school.com