PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Both documents are based off of a master trade spreadsheet kept by UKCG's managing director, which tracks all sales (including the tonnage of each sale) and contains a great deal of information corresponding to each sale, including the supplier.
http://www.w3.org/ns/prov#wasQuotedFrom
  • federalregister.gov