PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • EP. ???Digging deeper into the data, we now know that the amount of time spent teaching reading, math and other subjects has changed substantially.
http://www.w3.org/ns/prov#wasQuotedFrom
  • schoolsmatter.info