PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Open tops are used for products like sand, clay, gravel, coal, etc., while closed tops are primary used for grains, sugar, flour, and other bulk items that cannot get wet.
http://www.w3.org/ns/prov#wasQuotedFrom
  • bnsf.com