About: http://webisa.webdatacommons.org/74950355

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 highly doubt they are going to be monitoring the files coming in, apart from rejecting the obviously suspicious ones, and let the community alert them if there is an issue.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com