About: http://webisa.webdatacommons.org/311641129

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	It currently supports 21 networks, including Facebook, Google, MySpace, WordPress and Yahoo.
http://www.w3.org/ns/prov#wasQuotedFrom	smashingmagazine.com