PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Help him to compare prices for different brands of the same items (such as boxes of cake mix) to see which items are the best buys.
http://www.w3.org/ns/prov#wasQuotedFrom
  • education.com