About: http://webisa.webdatacommons.org/312065776

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	(as an aside: the regex ^ matches all url's the most efficiently, and the standard nginx variable $request_uri holds the uri including arguments so you do not need the (.*) group in the rewrite)
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com