PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Much of it, however, was a result of poorly chosen curricula, implemented by overworked teachers who are not very comfortable with their own mathematical skills, and a complete lack of cross-grade planning.
http://www.w3.org/ns/prov#wasQuotedFrom
  • coreknowledge.org