About: http://webisa.webdatacommons.org/56001193

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	Alternatives include doing some authentication within the SSL tunnel, which, in a Web context, means either something which the user types in (passwords or click-o-matic equivalent) or Javascript tricks.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com