About: http://webisa.webdatacommons.org/274280338

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	A role is a group, or type, of user that may have been granted certain privileges for performing one or more specific actions within an application.
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com