PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • When we figured out a price with a discount, we subtracted because a discount is an amount taken off of an original price.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ck12.org