About: http://webisa.webdatacommons.org/53267803

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, the <Subject> element is optional, and other specifications and profiles may utilize the SAML assertion structure to make similar statements without specifying a subject, or possibly specifying the subject in an alternate way.
http://www.w3.org/ns/prov#wasQuotedFrom	coverpages.org