PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • If a real problem is often ???open-ended, paradoxical, and requires investigation,??? as Zeitz argues and common sense suggests, then what would such problems be in algebra, geometry, and other courses?
http://www.w3.org/ns/prov#wasQuotedFrom
  • authenticeducation.org