PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Some of the best sources of antioxidants are expensive fruits such as blackberries and blueberries, but these purple tomatoes may provide a cheaper option.
http://www.w3.org/ns/prov#wasQuotedFrom
  • discovermagazine.com