About: http://webisa.webdatacommons.org/192075519

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	Some proof types MAY require information or nonces from the validating entity.
http://www.w3.org/ns/prov#wasQuotedFrom	xmpp.org