About: http://webisa.webdatacommons.org/225686268

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	The assertion types of the assertions that are contained within nested policy expressions (if any) in the assertions contained within the policy are not part of the policy vocabulary."
http://www.w3.org/ns/prov#wasQuotedFrom	w3.org