PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • 1889 -- Research to improve wheat began at the University of Minnesota, when plant breeders and a cereal chemist first evaluated wheat varieties from Minnesota, Hungary and other parts of Europe, Russia, and Canada.
http://www.w3.org/ns/prov#wasQuotedFrom
  • smallgrains.org