PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Kids can test, observe, and draw conclusions ??? important skills typically absent in project-oriented science toys, where the outcome is a foregone conclusion.
http://www.w3.org/ns/prov#wasQuotedFrom
  • greatschools.org