About: http://webisa.webdatacommons.org/22645937

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	What could be done is the profile keys could be unset when actually on the profile edit page, but exist otherwise ??? there is a sanitize filter that can be used:
http://www.w3.org/ns/prov#wasQuotedFrom	bbpress.org