About: http://webisa.webdatacommons.org/187955124

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	I would suggest you choose to only filter by files that are above a certain size, e.g. 8 MB, else you will end up with thousands of system files.
http://www.w3.org/ns/prov#wasQuotedFrom	superuser.com