About: http://webisa.webdatacommons.org/381468306

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	Sitemaps are mainly for sites that do not timestamp indexes and nodes....
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com