PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The young folks I work with vary across several high school grades, and so are doing a range of kinds of math.
http://www.w3.org/ns/prov#wasQuotedFrom
  • chbcky.org