About: http://webisa.webdatacommons.org/377401169

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, for guess, the user_type can be assigned as GUEST and for employee, the user_type can be assigned as EMPLOYEE. I do not know whether above methods make sense or not.
http://www.w3.org/ns/prov#wasQuotedFrom	bigresource.com