About: http://webisa.webdatacommons.org/218478472

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	Their google docs do not use a proprietary format, they use everyone else's formats, including word, pdf and openoffice.
http://www.w3.org/ns/prov#wasQuotedFrom	slashdot.org