About: http://webisa.webdatacommons.org/136598908

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	Jan. '08 - allow users to submit text and receive back rich semantically tagged content... support English language content and will work best on content such as news, press releases, blog entries and other well-written prose.
http://www.w3.org/ns/prov#wasQuotedFrom	thedigitalist.net