About: http://webisa.webdatacommons.org/342110801

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	If the files are really large (as in, large enough that having two copies of even a single one is a problem), you can use one of the techniques mentioned in this thread.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com