PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In the mid-1990s, the focus of the work moved to Africa - to the most challenging maize growing environments world-wide: southern and eastern Africa, where maize is a source of food and livelihoods for some 250 million people.
http://www.w3.org/ns/prov#wasQuotedFrom
  • fao.org