About: http://webisa.webdatacommons.org/6752783

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 my opinion it depends, if you need to give different permissions to your user types then create roles.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com