PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • NCES adopted this system in order to cope with lack of information; for many students, especially low-income and minority students, information was not available on all five criteria.
http://www.w3.org/ns/prov#wasQuotedFrom
  • manhattan-institute.org