About: http://webisa.webdatacommons.org/360248031

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	In the above example, Supplier_Code is the natural key and Supplier_Key is a surrogate key.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org