About: http://webisa.webdatacommons.org/126552012

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	However, if there is a reason to require certain pair (or triple) of values in each row to be unique, just add constraint to your table, but use auto-increment integer as primary key.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com