PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • But what you should know is that the Ukraine has the world's most fertile and productive soil for crop growing, called the black earth, and could produce several times more wheat, corn and other grains if the agricultural sector was not so backward.
http://www.w3.org/ns/prov#wasQuotedFrom
  • lowtax.net