PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • One concern is the crowding out of academic subjects, such as math, English, and civics.
http://www.w3.org/ns/prov#wasQuotedFrom
  • s-a-f-e.org