About: http://webisa.webdatacommons.org/382478449

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	And I know WordPress is a CMS; my first idea was that it is some kind of crawler that checks out links posted to a WordPress website (similar to what Facebook does).
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com