About: http://webisa.webdatacommons.org/392877862

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	System.DirectoryServices.AccountManagement.PrincipalCollection - how to check if principal is a user or a group?
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com