About: http://webisa.webdatacommons.org/182088276

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	For all options except Keep, the name of the field, preceded by an underscore, will be inserted into the filename; this allows you to have multiple File type fields without naming conflicts.
http://www.w3.org/ns/prov#wasQuotedFrom	staggernation.com