PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • A minor comment: You write: Even kindergartens spend a shockingly small fraction of their time teaching reading, writing, math, and other skills that their students will eventually use on the job.
http://www.w3.org/ns/prov#wasQuotedFrom
  • econlib.org