About: http://webisa.webdatacommons.org/196028514

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	Check this question (its about an image, but a file is a file all the web round):
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com