About: http://webisa.webdatacommons.org/300370647

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	And one of the options includes Updates" - their way of incorporating Facebook, Twitter and other real time data.
http://www.w3.org/ns/prov#wasQuotedFrom	businessinsider.com