About: http://webisa.webdatacommons.org/73583801

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	I second this answer, especially if the xxx stays the same for the same user.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com