About: http://webisa.webdatacommons.org/406663946

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	When I checked direct URLs to those graphics, it turns out each request for a graphic is also being redirected by forms authentication.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com