About: http://webisa.webdatacommons.org/223319431

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	Yes - you should get rid of all of them, but start on those - particularly if your request token is specific to the action, not the session.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com