PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Nitrogen in its natural state is mainly unusable by plants and needs to be converted from gaseous nitrogen into reactive nitrogen.
http://www.w3.org/ns/prov#wasQuotedFrom
  • blogspot.co.at