PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The ERS food availability data provide estimates of the food available for consumption and are a proxy for consumption, particularly for understanding trends over time.
http://www.w3.org/ns/prov#wasQuotedFrom
  • usablenet.com