About: http://webisa.webdatacommons.org/101611978

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	You can just force all traffic to go through a proxy, for example squid, and force authentication.
http://www.w3.org/ns/prov#wasQuotedFrom	serverfault.com