PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • However, the biggest problem is not, in my opinion, calculators or teaching philosophy or that math is hard (it is), but the singular lack of preparation in high school.
http://www.w3.org/ns/prov#wasQuotedFrom
  • washingtonpost.com