PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • ts, and the single concept approach per class session, with drills and practices, including the algebra and trigonometry when needed.
http://www.w3.org/ns/prov#wasQuotedFrom
  • aps.org