PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Several studies, including ones sponsored by the U.S. Department of Education, have shown that vouchers failed to boost the academic performance of the targeted population.
http://www.w3.org/ns/prov#wasQuotedFrom
  • au.org