PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This is largely because cereal yield (cereals include grains such as maize, rice, wheat, barley, sorghum) has remained unchanged since 1980.
http://www.w3.org/ns/prov#wasQuotedFrom
  • kiva.org